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Introduction

A repository to keep track of problem solving practice, containing solutions from platforms:

  • Codeforces   Codeforces
  • AtCoder   AtCoder

Contents

# Title Solution Tags Submitted
1562 C - Vlad Building Beautiful Array GNU C++17 (64) greedy math May/20/2023 02:30
1561 A - Musical Puzzle GNU C++17 (64) implementation strings May/20/2023 02:29
1560 B - Sort with Step GNU C++17 (64) brute force math sortings *900 Apr/27/2023 23:17
1559 D - Super-Permutation GNU C++17 (64) constructive algorithms math *1200 Apr/24/2023 21:29
1558 C - Bun Lover GNU C++17 (64) math *800 Apr/24/2023 20:24
1557 B - Karina and Array GNU C++17 (64) greedy math sortings *800 Apr/24/2023 20:18
1556 A - TubeTube Feed GNU C++17 (64) brute force implementation *800 Apr/24/2023 20:09
1555 C - Tear It Apart GNU C++17 (64) brute force implementation math strings *1300 Apr/20/2023 21:11
1554 B - Sort the Subarray GNU C++17 (64) brute force greedy *1100 Apr/20/2023 20:36
1553 A - Matching GNU C++17 (64) combinatorics math *800 Apr/20/2023 20:13
1552 C - Constructive Problem GNU C++17 (64) constructive algorithms greedy *1300 Apr/20/2023 19:45
1551 B - JoJo's Incredible Adventures GNU C++17 (64) math strings two pointers *1100 Apr/15/2023 15:41
1550 C - Search in Parallel GNU C++17 (64) constructive algorithms greedy sortings *1500 Apr/07/2023 20:22
1549 C - Classy Numbers GNU C++17 (64) combinatorics dp *1900 Apr/06/2023 15:32
1548 A - Alyona and copybooks GNU C++17 (64) brute force implementation *1300 Apr/06/2023 14:57
1547 C - Alyona and mex GNU C++17 (64) constructive algorithms *1700 Apr/06/2023 14:24
1546 E - Living Sequence GNU C++17 (64) binary search dp math number theory *1500 Apr/06/2023 00:04
1545 C - Restore the Array GNU C++17 (64) constructive algorithms greedy *1100 Apr/04/2023 23:59
1544 A - Insert Digit GNU C++17 (64) greedy math strings *800 Apr/04/2023 22:23
1543 C - Circle of Monsters GNU C++17 (64) brute force constructive algorithms greedy math *1600 Apr/03/2023 21:49
1542 C - Place for a Selfie GNU C++17 (64) binary search data structures geometry math *1400 Apr/02/2023 21:43
1541 B - The String Has a Target GNU C++17 (64) greedy strings *800 Apr/02/2023 20:21
1540 A - We Need the Zero GNU C++17 (64) bitmasks brute force *800 Apr/02/2023 20:11
1539 C - Unlucky Numbers GNU C++17 (64) brute force dp greedy implementation *1900 Apr/02/2023 14:30
1538 A - Are You a Robot? GNU C++17 (64) *special problem *special problem *special problem expression parsing strings Apr/01/2023 21:04
1537 B - Playing in a Casino GNU C++17 (64) math sortings *1200 Mar/29/2023 15:15
1536 A - Lucky Numbers GNU C++17 (64) brute force implementation *900 Mar/29/2023 14:46
1535 D - Shocking Arrangement GNU C++17 (64) constructive algorithms greedy math *1600 Mar/26/2023 21:12
1534 B - Three Sevens GNU C++17 (64) brute force data structures greedy implementation *1000 Mar/26/2023 20:28
1533 A - Showstopper GNU C++17 (64) greedy implementation sortings *800 Mar/26/2023 20:11
1532 B - Points on Plane GNU C++17 (64) binary search greedy math *1000 Mar/25/2023 15:03
1531 F - Bouncy Ball GNU C++17 (64) brute force dfs and similar implementation *1700 Mar/24/2023 20:58
1530 C - Sum on Subarrays GNU C++17 (64) constructive algorithms greedy math *1500 Mar/24/2023 15:11
1529 A - Garland GNU C++17 (64) implementation *800 Mar/23/2023 20:15
1528 C - Find and Replace GNU C++17 (64) greedy implementation strings *800 Mar/22/2023 22:18
1527 B - Grab the Candies GNU C++17 (64) greedy *800 Mar/21/2023 21:12
1526 A - Plus or Minus GNU C++17 (64) implementation *800 Mar/20/2023 22:38
1525 G2 - Subsequence Addition (Hard Version) GNU C++17 (64) bitmasks dp greedy implementation sortings *1100 Mar/19/2023 23:19
1524 G1 - Subsequence Addition (Easy Version) GNU C++17 (64) brute force data structures dp greedy implementation sortings *1100 Mar/19/2023 23:19
1523 E - Interview GNU C++17 (64) binary search implementation interactive *1300 Mar/19/2023 21:23
1522 D - Odd Queries GNU C++17 (64) data structures implementation *900 Mar/19/2023 20:39
1521 E - 2xN Grid C++ (GCC 9.2.1) AtCoder *500 Mar/19/2023 18:39
1520 D - Bank C++ (GCC 9.2.1) AtCoder *400 Mar/19/2023 17:52
1519 C - Merge Sequences C++ (GCC 9.2.1) AtCoder *300 Mar/19/2023 17:40
1518 B - ASCII Art C++ (GCC 9.2.1) AtCoder *200 Mar/19/2023 17:34
1517 A - Filter C++ (GCC 9.2.1) AtCoder *100 Mar/19/2023 17:30
1516 D - Peculiar apple-tree GNU C++17 (64) dfs and similar graphs trees *1500 Mar/17/2023 21:59
1515 C - Laboratory Work GNU C++17 (64) implementation math *1700 Mar/17/2023 20:54
1514 C - Thor GNU C++17 (64) brute force data structures implementation *1600 Mar/16/2023 22:06
1513 A - Hulk GNU C++17 (64) implementation *800 Mar/15/2023 19:54
1512 F - The Treasure of The Segments GNU C++17 (64) binary search data structures greedy *1800 Mar/15/2023 02:51
1511 C - Least Prefix Sum GNU C++17 (64) data structures greedy *1600 Mar/14/2023 22:07
1510 B - Restoring Painting GNU C++17 (64) brute force constructive algorithms math *1400 Mar/14/2023 04:33
1509 C - Anya and Ghosts GNU C++17 (64) constructive algorithms greedy *1600 Mar/13/2023 21:40
1508 C - Pull Your Luck GNU C++17 (64) brute force greedy math number theory *1500 Mar/12/2023 21:41
1507 B - Vaccination GNU C++17 (64) greedy implementation *1000 Mar/12/2023 20:45
1506 A - Lame King GNU C++17 (64) greedy math *800 Mar/12/2023 20:14
1505 D - Insert a Progression GNU C++17 (64) brute force constructive algorithms greedy *1600 Mar/12/2023 14:42
1504 B - Call the ID Number C++ (GCC 9.2.1) AtCoder *200 Mar/11/2023 17:35
1503 A - Swap Odd and Even C++ (GCC 9.2.1) AtCoder *100 Mar/11/2023 17:32
1502 C - Dolce Vita GNU C++17 (64) binary search brute force greedy math *1200 Mar/11/2023 13:46
1501 C - Hacking Cypher GNU C++17 (64) brute force math number theory strings *1700 Mar/11/2023 02:33
1500 C - Multi-judge Solving GNU C++17 (64) greedy implementation *1600 Mar/10/2023 18:19
1499 C2 - Exam in BerSU (hard version) GNU C++17 (64) brute force data structures greedy math *1700 Mar/10/2023 03:09
1498 B - Queue GNU C++17 (64) dsu implementation *1500 Mar/09/2023 22:15
1497 A - Good ol' Numbers Coloring GNU C++17 (64) math number theory *1000 Mar/08/2023 19:43
1496 D - PriceFixed GNU C++17 (64) binary search greedy implementation sortings two pointers *1600 Mar/08/2023 15:15
1495 C - Four Variables C++ (GCC 9.2.1) AtCoder *300 Mar/07/2023 20:22
1494 C - Scoring Subsequences GNU C++17 (64) binary search greedy math two pointers *1300 Mar/07/2023 03:06
1493 B - Karen and Coffee GNU C++17 (64) binary search data structures implementation *1400 Mar/07/2023 00:29
1492 B - Alternating Current GNU C++17 (64) data structures greedy implementation *1600 Mar/07/2023 00:29
1491 B - Not Dividing GNU C++17 (64) constructive algorithms greedy math *900 Mar/06/2023 22:09
1490 A - Prefix and Suffix Array GNU C++17 (64) strings *800 Mar/06/2023 20:16
1489 D - Remove Two Letters GNU C++17 (64) data structures greedy hashing strings *1200 Mar/05/2023 21:40
1488 E1 - Unforgivable Curse (easy version) GNU C++17 (64) brute force constructive algorithms dsu graphs greedy strings *1400 Mar/05/2023 21:24
1487 E2 - Unforgivable Curse (hard version) GNU C++17 (64) brute force constructive algorithms dfs and similar dsu graphs greedy strings *1500 Mar/05/2023 21:23
1486 B - Count the Number of Pairs GNU C++17 (64) greedy strings *1000 Mar/05/2023 20:55
1485 C2 - Powering the Hero (hard version) GNU C++17 (64) data structures greedy *1100 Mar/05/2023 20:36
1484 C1 - Powering the Hero (easy version) GNU C++17 (64) data structures greedy *1000 Mar/05/2023 20:36
1483 A - Is It a Cat? GNU C++17 (64) implementation strings *800 Mar/05/2023 20:11
1482 D - Unicyclic Components C++ (GCC 9.2.1) AtCoder *400 Mar/04/2023 17:55
1481 B - Yellow and Red Card C++ (GCC 9.2.1) AtCoder *200 Mar/04/2023 17:34
1480 A - CAPS LOCK C++ (GCC 9.2.1) AtCoder *100 Mar/04/2023 17:31
1479 D - Divide and Summarize GNU C++17 (64) binary search brute force data structures divide and conquer implementation sortings *1600 Mar/04/2023 02:23
1478 C - Fence Painting GNU C++17 (64) brute force constructive algorithms greedy *1600 Mar/04/2023 01:11
1477 B - Equalize by Divide GNU C++17 (64) brute force constructive algorithms greedy math *1200 Feb/28/2023 00:21
1476 A - Recent Actions GNU C++17 (64) data structures greedy implementation math *800 Feb/28/2023 00:20
1475 A - Serval and Mocha's Array GNU C++17 (64) brute force math number theory *800 Feb/27/2023 14:01
1474 B - Serval and Inversion Magic GNU C++17 (64) brute force implementation strings two pointers *800 Feb/27/2023 14:01
1473 C - Hamburgers GNU C++17 (64) binary search brute force *1600 Feb/26/2023 03:10
1472 A - Erasing Zeroes GNU C++17 (64) implementation strings *800 Feb/25/2023 01:05
1471 C - Perfect Keyboard GNU C++17 (64) dfs and similar greedy implementation *1600 Feb/25/2023 00:48
1470 F - L-shapes GNU C++17 (64) dfs and similar implementation *1700 Feb/24/2023 00:21
1469 E - Counting Rectangles GNU C++17 (64) brute force data structures dp implementation *1600 Feb/22/2023 14:27
1468 E - Correct Placement GNU C++17 (64) binary search data structures dp sortings two pointers *1700 Feb/21/2023 01:29
1467 C - Pearls in a Row GNU C++17 (64) greedy *1500 Feb/19/2023 21:16
1466 C - Max MEX C++ (GCC 9.2.1) AtCoder *300 Feb/19/2023 17:41
1465 B - Qual B C++ (GCC 9.2.1) AtCoder *200 Feb/19/2023 17:34
1464 A - Contest Result C++ (GCC 9.2.1) AtCoder *100 Feb/19/2023 17:31
1463 G - Good Key, Bad Key GNU C++17 (64) bitmasks brute force dp greedy math *1600 Feb/19/2023 13:46
1462 A - Birthday GNU C++17 (64) math *1400 Feb/18/2023 22:36
1461 A - Two Towers GNU C++17 (64) brute force implementation strings *800 Feb/16/2023 22:39
1460 C - Tea Tasting GNU C++17 (64) binary search data structures implementation *1500 Feb/16/2023 22:19
1459 B - Ideal Point GNU C++17 (64) brute force geometry greedy *900 Feb/16/2023 22:07
1458 D - The Enchanted Forest GNU C++17 (64) greedy implementation math *1600 Feb/16/2023 19:54
1457 B - Array Walk GNU C++17 (64) brute force dp greedy *1600 Feb/14/2023 17:10
1456 C - Doremy's IQ GNU C++17 (64) binary search greedy *1600 Feb/14/2023 02:09
1455 D - Distinct Split GNU C++17 (64) brute force greedy strings *1000 Feb/13/2023 21:37
1454 E - Negatives and Positives GNU C++17 (64) dp greedy sortings *1100 Feb/13/2023 21:36
1453 D - Flood Fill GNU C++17 (64) dp *1900 Feb/13/2023 21:30
1452 D1 - 388535 (Easy Version) GNU C++17 (64) bitmasks math *1600 Feb/12/2023 22:12
1451 C - Dora and Search GNU C++17 (64) constructive algorithms data structures two pointers *1200 Feb/12/2023 19:27
1450 A - Yet Another Promotion GNU C++17 (64) greedy math *800 Feb/12/2023 16:42
1449 B - Fedya and Array GNU C++17 (64) constructive algorithms math *1100 Feb/12/2023 16:42
1448 E - Swap Places C++ (GCC 9.2.1) AtCoder *500 Feb/12/2023 13:33
1447 C - Shinju and the Lost Permutation GNU C++17 (64) constructive algorithms math *1700 Feb/11/2023 21:35
1446 D - Step Up Robot C++ (GCC 9.2.1) AtCoder *400 Feb/11/2023 18:05
1445 C - Coverage C++ (GCC 9.2.1) AtCoder *300 Feb/11/2023 17:54
1444 B - V C++ (GCC 9.2.1) AtCoder *200 Feb/11/2023 17:39
1443 A - flip C++ (GCC 9.2.1) AtCoder *100 Feb/11/2023 17:31
1442 D - MEX maximizing GNU C++17 (64) data structures greedy implementation math *1600 Feb/11/2023 02:46
1441 B - Sum of Two Numbers GNU C++17 (64) constructive algorithms greedy implementation math probabilities *1100 Feb/10/2023 00:53
1440 C - Matching Numbers GNU C++17 (64) constructive algorithms greedy math *1300 Feb/09/2023 21:03
1439 A - One and Two GNU C++17 (64) brute force implementation math *800 Feb/09/2023 20:13
1438 D - Valiant's New Map GNU C++17 (64) binary search brute force data structures dp two pointers *1700 Feb/08/2023 03:59
1437 B - Cake Assembly Line GNU C++17 (64) brute force sortings *1300 Feb/06/2023 22:12
1436 C - Monsters (easy version) GNU C++17 (64) greedy sortings *1000 Feb/06/2023 20:46
1435 A1 - Non-alternating Deck (easy version) GNU C++17 (64) implementation *800 Feb/06/2023 20:33
1434 A2 - Alternating Deck (hard version) GNU C++17 (64) implementation *800 Feb/06/2023 20:30
1433 C - Don’t be cycle C++ (GCC 9.2.1) AtCoder *300 Feb/04/2023 17:37
1432 B - Qualification Contest C++ (GCC 9.2.1) AtCoder *200 Feb/04/2023 17:32
1431 A - Many A+B Problems C++ (GCC 9.2.1) AtCoder *100 Feb/04/2023 17:30
1430 G1 - Teleporters (Easy Version) GNU C++17 (64) greedy sortings *1100 Feb/04/2023 00:17
1429 F - Range Update Point Query GNU C++17 (64) binary search brute force data structures *1500 Feb/04/2023 00:16
1428 C - Interesting Story GNU C++17 (64) greedy sortings strings *1500 Feb/03/2023 18:09
1427 E - Permutation by Sum GNU C++17 (64) brute force greedy math *1600 Feb/03/2023 14:54
1426 C - Flexible String GNU C++17 (64) bitmasks brute force strings *1600 Feb/02/2023 21:40
1425 A - Flip Flop Sum GNU C++17 (64) greedy implementation *800 Feb/02/2023 00:44
1424 B - The Forbidden Permutation GNU C++17 (64) greedy math *1300 Feb/02/2023 00:44
1423 D1 - Chopping Carrots (Easy Version) GNU C++17 (64) binary search brute force constructive algorithms greedy number theory *1700 Feb/01/2023 19:53
1422 B - Yet Another Array Partitioning Task GNU C++17 (64) constructive algorithms greedy sortings *1500 Jan/31/2023 22:10
1421 C - Unstable String GNU C++17 (64) binary search dp greedy implementation strings two pointers *1400 Jan/31/2023 01:23
1420 C - Adding Powers GNU C++17 (64) bitmasks greedy implementation math number theory ternary search *1400 Jan/30/2023 22:26
1419 B - Number Factorization GNU C++17 (64) greedy math number theory *1100 Jan/30/2023 18:34
1418 A - Exponential Equation GNU C++17 (64) constructive algorithms math *800 Jan/30/2023 18:11
1417 C - Train and Queries GNU C++17 (64) data structures greedy *1100 Jan/29/2023 02:20
1416 B - Polycarp Writes a String from Memory GNU C++17 (64) greedy *800 Jan/29/2023 02:14
1415 A - Round Down the Price GNU C++17 (64) constructive algorithms *800 Jan/29/2023 02:06
1414 E - Split Into Two Sets GNU C++17 (64) dfs and similar dsu graphs *1600 Jan/29/2023 02:02
1413 D - Not a Cheap String GNU C++17 (64) greedy *1000 Jan/28/2023 22:39
1412 A - Polycarp and the Day of Pi GNU C++17 (64) implementation math strings *800 Jan/27/2023 22:29
1411 B - Taisia and Dice GNU C++17 (64) greedy greedy math *800 Jan/27/2023 22:29
1410 C - Premutation GNU C++17 (64) brute force implementation math *1000 Jan/27/2023 22:29
1409 D - Matryoshkas GNU C++17 (64) data structures greedy sortings *1200 Jan/27/2023 22:29
1408 C - Zero-Sum Prefixes GNU C++17 (64) brute force data structures dp greedy implementation *1600 Jan/26/2023 19:00
1407 A - Hayato and School GNU C++17 (64) constructive algorithms greedy *800 Jan/26/2023 00:42
1406 B - GCD Partition GNU C++17 (64) brute force greedy math number theory *1100 Jan/26/2023 00:42
1405 C - Min Max Sort GNU C++17 (64) binary search brute force greedy math two pointers *1500 Jan/25/2023 03:18
1404 B - Stand-up Comedian GNU C++17 (64) greedy math *1200 Jan/25/2023 01:10
1403 A - GamingForces GNU C++17 (64) greedy sortings *800 Jan/25/2023 00:35
1402 D - Same Count One GNU C++17 (64) brute force constructive algorithms greedy implementation two pointers *1600 Jan/23/2023 21:35
1401 A - Multicolored Marbles GNU C++17 (64) dp math *1600 Jan/23/2023 20:11
1400 C - Equal Frequencies GNU C++17 (64) brute force constructive algorithms greedy implementation sortings strings *1600 Jan/22/2023 20:59
1399 B - Preparing Olympiad GNU C++17 (64) bitmasks brute force *1400 Jan/22/2023 14:07
1398 A - Everybody Likes Good Arrays! GNU C++17 (64) greedy math *800 Jan/22/2023 02:35
1397 B - Emordnilap GNU C++17 (64) combinatorics greedy math *900 Jan/22/2023 02:35
1396 C - Quiz Master GNU C++17 (64) binary search math number theory sortings two pointers *1700 Jan/22/2023 02:35
1395 E - Souvenir C++ (GCC 9.2.1) AtCoder *500 Jan/21/2023 18:56
1394 D - Money in Hand C++ (GCC 9.2.1) AtCoder *400 Jan/21/2023 18:03
1393 C - Rotate and Palindrome C++ (GCC 9.2.1) AtCoder *300 Jan/21/2023 17:49
1392 B - Cat C++ (GCC 9.2.1) AtCoder *200 Jan/21/2023 17:38
1391 A - Range Swap C++ (GCC 9.2.1) AtCoder *100 Jan/21/2023 17:35
1390 D - Moderate Modular Mode GNU C++17 (64) math number theory *1600 Jan/21/2023 14:38
1389 B - Moderate Modular Mode GNU C++17 (64) constructive algorithms math number theory *1600 Jan/21/2023 14:35
1388 E - Count Simple Paths C++ (GCC 9.2.1) AtCoder *500 Jan/07/2023 18:28
1387 D - Happy New Year 2023 C++ (GCC 9.2.1) AtCoder *400 Jan/07/2023 18:11
1386 C - Count Connected Components C++ (GCC 9.2.1) AtCoder *300 Jan/07/2023 17:35
1385 B - Multi Test Cases C++ (GCC 9.2.1) AtCoder *200 Jan/07/2023 17:32
1384 A - Sequence of Strings C++ (GCC 9.2.1) AtCoder *100 Jan/07/2023 17:30
1383 C - Doremy's City Construction GNU C++17 (64) graphs greedy *1400 Dec/27/2022 14:35
1382 B - Broken Keyboard GNU C++17 (64) greedy *800 Dec/26/2022 22:12
1381 A - Add Plus Minus Sign GNU C++17 (64) constructive algorithms math *800 Dec/25/2022 01:12
1380 D - Scope C++ (GCC 9.2.1) AtCoder *400 Dec/24/2022 18:01
1379 C - Cash Register C++ (GCC 9.2.1) AtCoder *300 Dec/24/2022 17:39
1378 B - First Query Problem C++ (GCC 9.2.1) AtCoder *200 Dec/24/2022 17:33
1377 A - Power C++ (GCC 9.2.1) AtCoder *100 Dec/24/2022 17:31
1376 B - Notepad# GNU C++17 (64) implementation *1000 Dec/23/2022 22:42
1375 A - Extremely Round GNU C++17 (64) brute force implementation *800 Dec/23/2022 22:30
1374 C - Hamiltonian Wall GNU C++17 (64) dp implementation *1300 Dec/23/2022 21:31
1373 C - Vasya and Golden Ticket GNU C++17 (64) implementation *1300 Dec/22/2022 22:06
1372 A - In Search of an Easy Problem GNU C++17 (64) implementation *800 Dec/22/2022 21:51
1371 B - Queries about less or equal elements GNU C++17 (64) binary search data structures sortings two pointers *1300 Dec/22/2022 19:56
1370 B - Doremy's Perfect Math Class GNU C++17 (64) math number theory *900 Nov/26/2022 20:36
1369 A - Doremy's Paint GNU C++17 (64) greedy *800 Nov/26/2022 19:39
1368 A - Two Permutations GNU C++17 (64) brute force constructive algorithms *800 Nov/25/2022 20:12
1367 B - Elimination of a Ring GNU C++17 (64) constructive algorithms greedy implementation *1000 Nov/25/2022 20:12
1366 C - Game On Leaves GNU C++17 (64) games trees *1600 Nov/24/2022 02:28
1365 C - Queen GNU C++17 (64) dfs and similar trees *1400 Nov/24/2022 01:36
1364 D - Challenging Valleys GNU C++17 (64) implementation two pointers *1000 Nov/23/2022 14:22
1363 E - Binary Inversions GNU C++17 (64) data structures greedy math *1100 Nov/23/2022 14:22
1362 F - Quests GNU C++17 (64) binary search greedy sortings *1500 Nov/23/2022 14:22
1361 G - SlavicG's Favorite Problem GNU C++17 (64) bitmasks dfs and similar graphs *1700 Nov/23/2022 14:22
1360 A - Medium Number GNU C++17 (64) implementation sortings *800 Nov/23/2022 14:21
1359 B - Atilla's Favorite Problem GNU C++17 (64) greedy implementation strings *800 Nov/23/2022 14:21
1358 C - Advantage GNU C++17 (64) data structures implementation sortings *800 Nov/23/2022 14:21
1357 C - Valera and Elections GNU C++17 (64) dfs and similar graphs trees *1600 Nov/22/2022 22:42
1356 E - Gardener and Tree GNU C++17 (64) brute force data structures dfs and similar greedy implementation trees *1600 Nov/21/2022 19:15
1355 C - Useful Decomposition GNU C++17 (64) implementation trees *1400 Nov/21/2022 14:53
1354 E - The Humanoid GNU C++17 (64) brute force dp sortings *1500 Nov/20/2022 02:08
1353 E - Knapsack 2 C++ (GCC 9.2.1) AtCoder *100 Nov/14/2022 21:43
1352 A - Indirect Sort GNU C++17 (64) constructive algorithms implementation math *800 Nov/06/2022 23:49
1351 B - Maximum Substring GNU C++17 (64) brute force greedy implementation *800 Nov/06/2022 23:49
1350 C - Swap Game GNU C++17 (64) games *1200 Nov/05/2022 01:31
1349 B - BAN BAN GNU C++17 (64) constructive algorithms *900 Nov/04/2022 20:23
1348 A - Two Groups GNU C++17 (64) constructive algorithms greedy *800 Nov/04/2022 20:08
1347 B - Five-In-a-Row GNU C++17 (64) brute force implementation *1600 Nov/03/2022 21:44
1346 A - Binary Protocol GNU C++17 (64) implementation *1100 Nov/03/2022 21:09
1345 F - Yet Another Problem About Pairs Satisfying an Inequality GNU C++17 (64) binary search data structures dp greedy sortings *1300 Oct/24/2022 21:38
1344 C1 - Good Subarrays (Easy Version) GNU C++17 (64) binary search data structures schedules two pointers *1300 Oct/24/2022 14:38
1343 D1 - Balance (Easy version) GNU C++17 (64) brute force data structures implementation number theory *1500 Oct/24/2022 13:10
1342 C - Madoka and Formal Statement GNU C++17 (64) greedy *1300 Oct/24/2022 01:22
1341 A - Bestie GNU C++17 (64) brute force combinatorics constructive algorithms implementation math number theory *1000 Oct/23/2022 18:56
1340 B - Ugu GNU C++17 (64) brute force dp greedy implementation *900 Oct/23/2022 18:56
1339 C1 - Make Nonzero Sum (easy version) GNU C++17 (64) constructive algorithms *1300 Oct/23/2022 14:30
1338 A - Technical Support GNU C++17 (64) greedy *800 Oct/23/2022 13:49
1337 B - Kevin and Permutation GNU C++17 (64) constructive algorithms greedy math *800 Oct/23/2022 13:46
1336 C - Save the Magazines GNU C++17 (64) constructive algorithms dp greedy *1100 Oct/23/2022 00:37
1335 A - Password GNU C++17 (64) brute force combinatorics implementation math *800 Oct/22/2022 21:03
1334 B - Permutation Value GNU C++17 (64) constructive algorithms greedy *800 Oct/22/2022 20:59
1333 C - Weird Sum GNU C++17 (64) brute force implementation math matrices *1400 Oct/22/2022 16:32
1332 C - Permutation Operations GNU C++17 (64) constructive algorithms greedy implementation math *1300 Oct/21/2022 22:28
1331 B - Rebellion GNU C++17 (64) constructive algorithms greedy two pointers *800 Oct/21/2022 20:20
1330 A - Maxmina GNU C++17 (64) constructive algorithms greedy *800 Oct/21/2022 20:08
1329 C - Number Game GNU C++17 (64) binary search data structures games greedy implementation *1400 Oct/20/2022 21:30
1328 B - Death's Blessing GNU C++17 (64) greedy *900 Oct/20/2022 20:49
1327 A - Cowardly Rooks GNU C++17 (64) greedy implementation *800 Oct/20/2022 20:11
1326 E1 - Divisible Numbers (easy version) GNU C++17 (64) brute force math number theory *1500 Oct/20/2022 19:35
1325 B - Even-Odd Increments GNU C++17 (64) implementation math *800 Oct/16/2022 20:57
1324 C - Traffic Light GNU C++17 (64) binary search implementation two pointers *1000 Oct/16/2022 20:54
1323 A - Number Replacement GNU C++17 (64) greedy implementation *800 Oct/16/2022 20:09
1322 F - Smaller GNU C++17 (64) constructive algorithms greedy strings *1500 Oct/13/2022 22:21
1321 E - Scuza GNU C++17 (64) binary search greedy math *1200 Oct/13/2022 21:27
1320 D - Coprime GNU C++17 (64) brute force greedy number theory *1100 Oct/13/2022 21:10
1319 C - Stripes GNU C++17 (64) implementation *900 Oct/13/2022 20:44
1318 B - Increasing GNU C++17 (64) greedy implementation sortings *800 Oct/13/2022 20:08
1317 A - Sum GNU C++17 (64) implementation *800 Oct/13/2022 20:06
1316 C - Qpwoeirut And The City GNU C++17 (64) dp flows greedy implementation *1400 Oct/12/2022 21:23
1315 D - Masha and a Beautiful Tree GNU C++17 (64) dfs and similar divide and conquer graphs sortings trees *1300 Oct/12/2022 20:00
1314 C - Minimize the Thickness GNU C++17 (64) brute force greedy math two pointers *1100 Oct/11/2022 20:52
1313 B - Funny Permutation GNU C++17 (64) constructive algorithms math *800 Oct/11/2022 20:31
1312 A - Compare T-Shirt Sizes GNU C++17 (64) implementation implementation strings *800 Oct/11/2022 20:31
1311 C - Phase Shift GNU C++17 (64) dfs and similar dsu graphs greedy implementation strings *1400 Oct/04/2022 00:33
1310 B - Tea with Tangerines GNU C++17 (64) greedy math *900 Oct/02/2022 23:55
1309 A - Working Week GNU C++17 (64) constructive algorithms greedy math *800 Oct/02/2022 23:17
1308 B - Array Recovery GNU C++17 (64) constructive algorithms greedy math *1100 Sep/29/2022 20:19
1307 A - Immobile Knight GNU C++17 (64) implementation *800 Sep/29/2022 20:10
1306 C - Digital Logarithm GNU C++17 (64) data structures greedy sortings *1400 Sep/27/2022 21:24
1305 E - Add Modulo 10 GNU C++17 (64) brute force math number theory *1400 Sep/26/2022 21:42
1304 C - Minimum Notation GNU C++17 (64) data structures greedy math sortings *1200 Sep/25/2022 21:56
1303 A - Planets GNU C++17 (64) data structures greedy sortings *800 Sep/25/2022 20:08
1302 F - 3SUM GNU C++17 (64) brute force math *1300 Sep/25/2022 13:22
1301 D1 - Zero-One (Easy Version) GNU C++17 (64) constructive algorithms greedy math *1400 Sep/24/2022 23:00
1300 C - Parity Shuffle Sorting GNU C++17 (64) constructive algorithms sortings *1300 Sep/24/2022 20:50
1299 B - Rule of League GNU C++17 (64) constructive algorithms math *900 Sep/23/2022 22:47
1298 C - Removing Smallest Multiples GNU C++17 (64) greedy math *1200 Sep/23/2022 18:56
1297 B - Bright, Nice, Brilliant GNU C++17 (64) constructive algorithms *800 Sep/23/2022 18:01
1296 A - Select Three Sticks GNU C++17 (64) brute force greedy sortings *800 Sep/23/2022 17:39
1295 A - Consecutive Sum GNU C++17 (64) greedy sortings *800 Sep/21/2022 21:23
1294 E - Guess the Cycle Size GNU C++17 (64) interactive probabilities *1800 Sep/14/2022 14:10
1293 D - Friends and the Restaurant GNU C++17 (64) greedy sortings two pointers *1200 Sep/12/2022 21:55
1292 C - Jumping on Tiles GNU C++17 (64) constructive algorithms strings *1100 Sep/12/2022 21:16
1291 B - Decode String GNU C++17 (64) greedy strings *800 Sep/12/2022 20:20
1290 A - Two Elevators GNU C++17 (64) math *800 Sep/12/2022 20:08
1289 D - Line GNU C++17 (64) greedy sortings *1100 Aug/30/2022 21:07
1288 C - Word Game GNU C++17 (64) data structures implementation *800 Aug/30/2022 20:42
1287 B - Colourblindness GNU C++17 (64) implementation *800 Aug/30/2022 20:26
1286 A - Spell Check GNU C++17 (64) implementation *800 Aug/30/2022 20:23
1285 B - Deadly Laser GNU C++17 (64) implementation *1000 Aug/27/2022 20:40
1284 A - Image GNU C++17 (64) greedy implementation *800 Aug/27/2022 20:12
1283 C - Corners GNU C++17 (64) greedy implementation *1200 Aug/20/2022 15:27
1282 C - Fighting Tournament GNU C++17 (64) binary search data structures implementation two pointers *1400 Aug/16/2022 22:01
1281 B - Mathematical Circus GNU C++17 (64) constructive algorithms math *800 Aug/16/2022 20:47
1280 A - Chip Game GNU C++17 (64) games math *800 Aug/16/2022 20:15
1279 C - Sort Zero GNU C++17 (64) greedy sortings *1100 Aug/13/2022 20:48
1278 B - Woeful Permutation GNU C++17 (64) constructive algorithms greedy number theory *800 Aug/13/2022 20:26
1277 A - Wonderful Permutation GNU C++17 (64) greedy implementation *800 Aug/13/2022 20:20
1276 A - 2-3 Moves GNU C++17 (64) greedy math *800 Aug/04/2022 20:33
1275 B - Permutation Chain GNU C++17 (64) constructive algorithms math *800 Aug/04/2022 20:24
1274 B - Remove Prefix GNU C++17 (64) data structures greedy implementation *800 Aug/04/2022 12:38
1273 C - Minimum Varied Number GNU C++17 (64) greedy *800 Aug/04/2022 12:38
1272 A - Perfect Permutation GNU C++17 (64) constructive algorithms *800 Jul/24/2022 20:11
1271 C - Recover an RBS GNU C++17 (64) constructive algorithms greedy implementation strings *1800 Jul/24/2022 14:19
1270 B - Also Try Minecraft GNU C++17 (64) data structures dp implementation *900 Jul/21/2022 20:25
1269 A - Three Doors GNU C++17 (64) brute force greedy implementation math *800 Jul/21/2022 20:12
1268 A - Grass Field GNU C++17 (64) implementation *800 Jul/08/2022 23:01
1267 B - Permutation GNU C++17 (64) greedy *800 Jul/08/2022 23:01
1266 C - Schedule Management GNU C++17 (64) binary search greedy implementation two pointers *1400 Jul/08/2022 23:01
1265 C - 3SUM Closure GNU C++17 (64) brute force data structures *1300 Jun/29/2022 00:20
1264 B - Rising Sand GNU C++17 (64) constructive algorithms greedy implementation *800 Jun/28/2022 20:26
1263 A - XOR Mixup GNU C++17 (64) bitmasks brute force *800 Jun/28/2022 20:11
1262 B - Paranoid String GNU C++17 (64) constructive algorithms greedy *1200 Jun/25/2022 14:48
1261 B - Palindromic Numbers GNU C++17 (64) constructive algorithms implementation math *1100 Jun/22/2022 13:48
1260 A - Optimal Path GNU C++17 (64) constructive algorithms greedy math *800 Jun/20/2022 17:06
1259 B - Circle Game GNU C++17 (64) games greedy *1000 Jun/18/2022 20:43
1258 A - Subrectangle Guess GNU C++17 (64) games *800 Jun/18/2022 20:14
1257 D - The Clock GNU C++17 (64) brute force implementation *1100 Jun/18/2022 19:39
1256 E - Binary Deque GNU C++17 (64) binary search implementation two pointers *1200 Jun/18/2022 19:01
1255 C - Directional Increase GNU C++17 (64) greedy *1300 Jun/17/2022 00:47
1254 A - Creep GNU C++17 (64) greedy implementation *800 Jun/16/2022 20:18
1253 C - Where's the Bishop? GNU C++17 (64) implementation *800 Jun/14/2022 20:22
1252 B - All Distinct GNU C++17 (64) greedy sortings *800 Jun/14/2022 20:16
1251 A - Marathon GNU C++17 (64) implementation *800 Jun/14/2022 20:06
1250 B - Promo GNU C++17 (64) greedy sortings *900 Jun/12/2022 20:30
1249 A - Parkway Walk GNU C++17 (64) greedy implementation *800 Jun/12/2022 20:11
1248 B - Two Arrays And Swaps GNU C++17 (64) greedy sortings *800 Jun/12/2022 19:36
1247 C - Infected Tree GNU C++17 (64) dfs and similar dp trees *1600 Jun/12/2022 16:17
1246 B - Mystic Permutation GNU C++17 (64) data structures greedy *900 Jun/10/2022 22:35
1245 A - Lex String GNU C++17 (64) brute force greedy implementation sortings two pointers *800 Jun/10/2022 22:24
1244 C - Column Swapping GNU C++17 (64) brute force constructive algorithms greedy implementation sortings *1400 Jun/10/2022 20:07
1243 E - Price Maximization GNU C++17 (64) binary search greedy math two pointers *1500 Jun/07/2022 23:53
1242 D - Black and White Stripe GNU C++17 (64) implementation two pointers *1000 Jun/07/2022 20:41
1241 C - Restoring the Duration of Tasks GNU C++17 (64) data structures greedy implementation *800 Jun/07/2022 20:35
1240 B - Array Decrements GNU C++17 (64) greedy implementation *800 Jun/07/2022 20:28
1239 A - Print a Pedestal (Codeforces logo?) GNU C++17 (64) constructive algorithms greedy *800 Jun/07/2022 20:11
1238 B - Patchouli's Magical Talisman GNU C++17 (64) bitmasks constructive algorithms greedy sortings *800 Jun/04/2022 19:38
1237 A - Cirno's Perfect Bitmasks Classroom GNU C++17 (64) bitmasks brute force *800 Jun/04/2022 19:37
1236 D - Together Square C++ (GCC 9.2.1) AtCoder *400 Jun/04/2022 18:35
1235 C - K Swap C++ (GCC 9.2.1) AtCoder *300 Jun/04/2022 17:52
1234 B - Practical Computing C++ (GCC 9.2.1) AtCoder *200 Jun/04/2022 17:41
1233 A - Last Two Digits C++ (GCC 9.2.1) AtCoder *100 Jun/04/2022 17:31
1232 A - Beat The Odds GNU C++17 (64) brute force constructive algorithms greedy math Jun/03/2022 11:54
1231 B - Shoe Shuffling GNU C++17 (64) constructive algorithms greedy implementation two pointers Jun/03/2022 11:53
1230 C - Circular Local MiniMax GNU C++17 (64) constructive algorithms greedy sortings *1100 Jun/02/2022 21:45
1229 A - Everything Everywhere All But One GNU C++17 (64) greedy *800 Jun/02/2022 21:36
1228 B - Odd Subarrays GNU C++17 (64) dp greedy *800 Jun/02/2022 19:14
1227 C - Sum of Substrings GNU C++17 (64) brute force constructive algorithms greedy math strings Jun/02/2022 14:31
1226 C - Berpizza GNU C++17 (64) data structures implementation *1400 May/27/2022 21:47
1225 C - Counting 2 C++ (GCC 9.2.1) AtCoder *300 May/15/2022 02:05
1224 F - Longest Strike GNU C++17 (64) data structures greedy implementation sortings two pointers *1300 May/11/2022 00:40
1223 G - White-Black Balanced Subtrees GNU C++17 (64) dfs and similar dp graphs trees *1300 May/10/2022 21:51
1222 H2 - Maximum Crossings (Hard Version) GNU C++17 (64) data structures divide and conquer sortings *1500 May/10/2022 21:37
1221 H1 - Maximum Crossings (Easy Version) GNU C++17 (64) brute force *1400 May/10/2022 21:02
1220 E - Eating Queries GNU C++17 (64) binary search greedy sortings *1100 May/10/2022 20:45
1219 D - X-Sum GNU C++17 (64) brute force greedy implementation *1000 May/10/2022 20:39
1218 C - Most Similar Words GNU C++17 (64) brute force greedy implementation implementation math strings *800 May/10/2022 20:28
1217 B - Equal Candies GNU C++17 (64) greedy math sortings *800 May/10/2022 20:18
1216 A - Lucky? GNU C++17 (64) implementation *800 May/10/2022 20:16
1215 B1 - Tokitsukaze and Good 01-String (easy version) GNU C++17 (64) implementation *800 May/08/2022 20:17
1214 A - Tokitsukaze and All Zero Sequence GNU C++17 (64) implementation *800 May/08/2022 20:11
1213 B - A Perfectly Balanced String? GNU C++17 (64) brute force greedy strings *1100 May/08/2022 19:50
1212 C - Infinite Replacement GNU C++17 (64) combinatorics implementation strings *1000 May/04/2022 20:31
1211 B - Dictionary GNU C++17 (64) combinatorics math *800 May/02/2022 20:34
1210 A - Number Transformation GNU C++17 (64) constructive algorithms math *800 May/02/2022 20:34
1209 B - Consecutive Points Segment GNU C++17 (64) brute force math sortings *1000 Apr/22/2022 20:35
1208 A - String Building GNU C++17 (64) implementation *800 Apr/22/2022 20:12
1207 D - Colorful Stamp GNU C++17 (64) implementation *1100 Apr/22/2022 12:53
1206 G - Fall Down GNU C++17 (64) dfs and similar implementation *1200 Apr/21/2022 21:58
1205 F - Eating Candies GNU C++17 (64) binary search data structures greedy two pointers *1100 Apr/21/2022 21:36
1204 C - Odd/Even Increments GNU C++17 (64) greedy greedy implementation math *800 Apr/21/2022 20:19
1203 B - Triple GNU C++17 (64) implementation sortings *800 Apr/21/2022 20:10
1202 A - Division? GNU C++17 (64) implementation *800 Apr/21/2022 20:08
1201 A - Direction Change GNU C++17 (64) implementation math *800 Apr/21/2022 19:25
1200 A - Make it Increasing GNU C++17 (64) brute force greedy math *1300 Apr/21/2022 19:04
1199 B - Social Distance GNU C++17 (64) greedy math sortings *900 Apr/21/2022 18:54
1198 C - Tree Infection GNU C++17 (64) binary search greedy sortings trees *1600 Apr/09/2022 13:34
1197 B - Array Cloning Technique GNU C++17 (64) constructive algorithms greedy sortings *900 Apr/08/2022 20:20
1196 A - GCD vs LCM GNU C++17 (64) constructive algorithms math *800 Apr/08/2022 20:08
1195 B - Mike's Sequence GNU C++17 (64) divide and conquer implementation math Apr/08/2022 15:09
1194 C - Pōja Verdon GNU C++17 (64) implementation math Apr/08/2022 15:06
1193 E - Rescheduling the Exam GNU C++17 (64) binary search data structures greedy implementation math sortings *1900 Apr/08/2022 15:01
1192 C - Get an Even String GNU C++17 (64) dp greedy strings *1300 Apr/01/2022 20:56
1191 A - Who Tested? GNU C++17 (64) expression parsing trees Apr/01/2022 20:08
1190 B - Vlad and Candies GNU C++17 (64) math *800 Mar/31/2022 20:21
1189 A - Vasya and Coins GNU C++17 (64) greedy math *800 Mar/31/2022 20:09
1188 B - Subtract Operation GNU C++17 (64) data structures greedy math two pointers *1100 Mar/25/2022 00:28
1187 A - Good Pairs GNU C++17 (64) math sortings *800 Mar/25/2022 00:22
1186 C - Make Equal With Mod GNU C++17 (64) constructive algorithms math number theory sortings *1200 Mar/25/2022 00:22
1185 C - Load Balancing GNU C++17 (64) implementation math *1500 Mar/24/2022 19:25
1184 C - Bracket Sequence Deletion GNU C++17 (64) greedy implementation *1200 Mar/22/2022 22:47
1183 B - XY Sequence GNU C++17 (64) greedy *800 Mar/22/2022 22:21
1182 A - Integer Moves GNU C++17 (64) brute force math *800 Mar/22/2022 22:20
1181 C - Alice and the Cake GNU C++17 (64) data structures greedy implementation sortings *1400 Mar/20/2022 18:26
1180 B - Prefix Removals GNU C++17 (64) strings *800 Mar/20/2022 17:32
1179 A - Maximum Cake Tastiness GNU C++17 (64) brute force greedy implementation sortings *800 Mar/20/2022 17:08
1178 D - Bash and a Tough Math Puzzle GNU C++17 (64) data structures number theory *1900 Mar/18/2022 16:30
1177 D - Twist the Permutation GNU C++17 (64) brute force constructive algorithms implementation math *1300 Mar/16/2022 16:53
1176 C - Weight of the System of Nested Segments GNU C++17 (64) greedy hashing implementation sortings *1200 Mar/15/2022 20:44
1175 B - DIV + MOD GNU C++17 (64) math *900 Mar/15/2022 20:05
1174 A - Deletions of Two Adjacent Letters GNU C++17 (64) implementation strings *800 Mar/15/2022 19:51
1173 B - Madoka and the Elegant Gift GNU C++17 (64) brute force constructive algorithms graphs implementation *1200 Mar/12/2022 21:21
1172 C - Madoka and Childish Pranks GNU C++17 (64) constructive algorithms greedy *1300 Mar/12/2022 16:32
1171 A - Madoka and Math Dad GNU C++17 (64) implementation math *800 Mar/12/2022 13:36
1170 B - Quality vs Quantity GNU C++17 (64) brute force constructive algorithms greedy sortings two pointers *800 Mar/04/2022 21:29
1169 A - Square Counting GNU C++17 (64) math *800 Mar/04/2022 21:14
1168 C - Chocolate Bunny GNU C++17 (64) constructive algorithms interactive math two pointers *1600 Mar/04/2022 20:38
1167 F2 - Spanning Tree with One Fixed Degree GNU C++17 (64) constructive algorithms dfs and similar dsu graphs greedy *1900 Feb/27/2022 17:14
1166 F1 - Spanning Tree with Maximum Degree GNU C++17 (64) graphs *1600 Feb/26/2022 11:46
1165 D - Zero Quantity Maximization GNU C++17 (64) hashing math number theory *1500 Feb/25/2022 21:51
1164 D - Distinct Characters Queries GNU C++17 (64) data structures *1600 Feb/23/2022 22:58
1163 B - Anti-Fibonacci Permutation GNU C++17 (64) brute force constructive algorithms implementation *800 Feb/22/2022 20:21
1162 A - Doors and Keys GNU C++17 (64) implementation *800 Feb/22/2022 20:09
1161 C - Differential Sorting GNU C++17 (64) constructive algorithms greedy *1200 Feb/20/2022 21:34
1160 B - Avoid Local Maximums GNU C++17 (64) greedy *800 Feb/20/2022 20:32
1159 A - Min Or Sum GNU C++17 (64) bitmasks greedy *800 Feb/20/2022 20:12
1158 C - Parsa's Humongous Tree GNU C++17 (64) dfs and similar dp graphs greedy trees *1600 Feb/17/2022 20:44
1157 E - Minimum Array GNU C++17 (64) binary search data structures greedy *1700 Feb/17/2022 01:01
1156 C - Voting GNU C++17 (64) greedy implementation two pointers *1500 Feb/16/2022 21:10
1155 D - A Game with Traps GNU C++17 (64) binary search dp greedy sortings *1900 Feb/16/2022 16:37
1154 A - Bachgold Problem GNU C++17 (64) greedy implementation math number theory *800 Feb/16/2022 15:25
1153 A - Reverse GNU C++17 (64) constructive algorithms greedy math *800 Feb/16/2022 00:13
1152 C - Inversion Graph GNU C++17 (64) data structures dsu graphs math *1300 Feb/16/2022 00:10
1151 B - Odd Swap Sort GNU C++17 (64) data structures math sortings *1100 Feb/15/2022 21:34
1150 D - Fight with Monsters GNU C++17 (64) greedy sortings *1500 Feb/14/2022 19:48
1149 C - Infinite Fence GNU C++17 (64) greedy math number theory *1700 Feb/14/2022 02:46
1148 F - Debate GNU C++17 (64) greedy *1500 Feb/13/2022 21:23
1147 C - Party Lemonade GNU C++17 (64) bitmasks dp greedy *1600 Feb/13/2022 18:02
1146 B - Suffix Structures GNU C++17 (64) implementation strings *1400 Feb/12/2022 19:28
1145 C - Destroying Array GNU C++17 (64) data structures dsu *1600 Feb/12/2022 18:16
1144 E - Points on Plane GNU C++17 (64) constructive algorithms *2100 Feb/11/2022 17:33
1143 C - Vasya and Petya's Game GNU C++17 (64) implementation number theory *1500 Feb/11/2022 16:35
1142 B - Wonder Room GNU C++17 (64) brute force math *2000 Feb/10/2022 19:12
1141 C - K-Dominant Character GNU C++17 (64) binary search implementation two pointers *1400 Feb/10/2022 02:15
1140 C - Shifts GNU C++17 (64) binary search data structures dp implementation *1500 Feb/09/2022 04:40
1139 D - Planets GNU C++17 (64) binary search graphs shortest paths *1700 Feb/09/2022 03:27
1138 F - Three Paths on a Tree GNU C++17 (64) dfs and similar dp greedy trees *2000 Feb/08/2022 22:46
1137 D - Little Elephant and Array GNU C++17 (64) data structures *1800 Feb/08/2022 02:54
1136 C - Bertown Subway GNU C++17 (64) dfs and similar greedy math *1500 Feb/08/2022 01:43
1135 C - Learning Languages GNU C++17 (64) dsu *1400 Feb/08/2022 01:16
1134 C - Mike and Chocolate Thieves GNU C++17 (64) binary search combinatorics math *1700 Feb/08/2022 00:34
1133 A - Cut and Paste GNU C++17 (64) implementation math *1700 Feb/07/2022 17:59
1132 A - Reverse and Concatenate GNU C++17 (64) greedy strings *800 Feb/07/2022 00:55
1131 B - Fortune Telling GNU C++17 (64) bitmasks math *1400 Feb/07/2022 00:54
1130 C - OKEA GNU C++17 (64) constructive algorithms *1000 Feb/07/2022 00:54
1129 C - Obtain The String GNU C++17 (64) dp greedy strings *1600 Feb/06/2022 14:54
1128 C - Marina and Vasya GNU C++17 (64) constructive algorithms greedy strings *1700 Feb/06/2022 03:42
1127 G - Reducing Delivery Cost GNU C++17 (64) brute force graphs shortest paths *2100 Feb/06/2022 01:50
1126 D - Almost All Divisors GNU C++17 (64) math number theory *1600 Feb/05/2022 00:35
1125 D - Dima and Lisa GNU C++17 (64) brute force math number theory *1800 Feb/04/2022 22:36
1124 A - Fair GNU C++17 (64) graphs greedy number theory shortest paths *1600 Feb/04/2022 20:45
1123 D - Love Rescue GNU C++17 (64) dfs and similar dsu graphs greedy strings *1600 Feb/04/2022 19:46
1122 C - Convenient For Everybody GNU C++17 (64) binary search two pointers *1600 Feb/04/2022 13:43
1121 A - Convert to Ones GNU C++17 (64) brute force greedy implementation math *1500 Feb/03/2022 20:21
1120 A - Guess a number! GNU C++17 (64) greedy implementation two pointers *1400 Feb/03/2022 19:48
1119 C - Booking System GNU C++17 (64) binary search dp greedy implementation *1600 Feb/03/2022 18:58
1118 D - R2D2 and Droid Army GNU C++17 (64) binary search data structures two pointers *2000 Feb/03/2022 04:47
1117 D - Closest Equals GNU C++17 (64) *special problem data structures *2000 Feb/02/2022 02:16
1116 D - Make Them Equal GNU C++17 (64) dp greedy *1600 Feb/01/2022 03:15
1115 B - Roof Construction GNU C++17 (64) bitmasks constructive algorithms *1000 Jan/31/2022 17:26
1114 A - ABC GNU C++17 (64) implementation *800 Jan/31/2022 17:25
1113 C - Strange Test GNU C++17 (64) binary search bitmasks brute force dp math *1600 Jan/31/2022 17:25
1112 E - Skiing C++ (GCC 9.2.1) AtCoder *500 Jan/30/2022 19:04
1111 D - LR insertion C++ (GCC 9.2.1) AtCoder *400 Jan/30/2022 18:20
1110 C - kasaka C++ (GCC 9.2.1) AtCoder *300 Jan/30/2022 17:54
1109 B - Matrix Transposition C++ (GCC 9.2.1) AtCoder *200 Jan/30/2022 17:42
1108 A - Not Overflow C++ (GCC 9.2.1) AtCoder *100 Jan/30/2022 17:32
1107 D - Fight Against Traffic GNU C++17 (64) dfs and similar graphs shortest paths *1600 Jan/30/2022 04:11
1106 B - Fun with Even Subarrays GNU C++17 (64) dp greedy *1100 Jan/28/2022 01:07
1105 A - Min Max Swap GNU C++17 (64) greedy *800 Jan/27/2022 20:09
1104 D - Peculiar Movie Preferences GNU C++17 (64) greedy strings *1700 Jan/27/2022 15:58
1103 D - Road to Post Office GNU C++17 (64) math *1900 Jan/26/2022 20:57
1102 C - Cellular Network GNU C++17 (64) binary search implementation two pointers *1500 Jan/26/2022 20:03
1101 B - Powers of Two GNU C++17 (64) brute force data structures implementation math *1500 Jan/26/2022 15:16
1100 D - Powerful array GNU C++17 (64) data structures implementation math two pointers *2200 Jan/26/2022 00:21
1099 C - Route Map C++ (GCC 9.2.1) AtCoder *300 Jan/23/2022 17:43
1098 B - Who is missing? C++ (GCC 9.2.1) AtCoder *200 Jan/23/2022 17:33
1097 A - chukodai C++ (GCC 9.2.1) AtCoder *100 Jan/23/2022 17:31
1096 C - Meximum Array GNU C++17 (64) constructive algorithms data structures greedy math two pointers *1400 Jan/23/2022 03:16
1095 A - Meximum Array GNU C++17 (64) binary search constructive algorithms greedy implementation math two pointers *1400 Jan/23/2022 02:59
1094 B - GCD Arrays GNU C++17 (64) greedy math number theory *800 Jan/22/2022 20:26
1093 A - Download More RAM GNU C++17 (64) brute force greedy sortings *800 Jan/22/2022 20:11
1092 D - Valid BFS? GNU C++17 (64) dfs and similar graphs shortest paths trees *1700 Jan/22/2022 19:25
1091 C - K-Complete Word GNU C++17 (64) dfs and similar dsu greedy implementation strings *1500 Jan/22/2022 00:49
1090 C - Friends and Gifts GNU C++17 (64) constructive algorithms data structures math *1500 Jan/21/2022 22:12
1089 D - Deleting Divisors GNU C++17 (64) games math number theory *1700 Jan/21/2022 18:36
1088 D - CGCDSSQ GNU C++17 (64) brute force data structures math *2000 Jan/21/2022 03:21
1087 B - Strongly Connected City GNU C++17 (64) brute force dfs and similar graphs implementation *1400 Jan/21/2022 01:22
1086 C - Knight Tournament GNU C++17 (64) data structures *1500 Jan/20/2022 18:37
1085 A - Greg and Array GNU C++17 (64) data structures implementation *1400 Jan/20/2022 03:24
1084 D - Kefa and Dishes GNU C++17 (64) bitmasks dp *1800 Jan/19/2022 14:34
1083 D - Xenia and Bit Operations GNU C++17 (64) data structures trees *1700 Jan/19/2022 01:07
1082 A - Equidistant Letters GNU C++17 (64) constructive algorithms sortings *800 Jan/18/2022 18:55
1081 C - Monsters And Spells GNU C++17 (64) binary search data structures dp greedy implementation math two pointers *1700 Jan/18/2022 18:53
1080 B - Greg and Graph GNU C++17 (64) dp graphs shortest paths *1700 Jan/17/2022 22:51
1079 B - Minor Reduction GNU C++17 (64) greedy strings *1100 Jan/17/2022 21:57
1078 C - Seat Arrangements GNU C++17 (64) brute force implementation *1300 Jan/16/2022 18:51
1077 C - Not Assigning GNU C++17 (64) constructive algorithms dfs and similar number theory trees *1400 Jan/15/2022 21:40
1076 B - Not Sitting GNU C++17 (64) games greedy sortings *1300 Jan/15/2022 21:04
1075 A - Not Shading GNU C++17 (64) constructive algorithms implementation *800 Jan/15/2022 20:17
1074 C - The Kth Time Query C++ (GCC 9.2.1) AtCoder *300 Jan/15/2022 17:59
1073 B - Climbing Takahashi C++ (GCC 9.2.1) AtCoder *200 Jan/15/2022 17:36
1072 A - Rotate C++ (GCC 9.2.1) AtCoder *100 Jan/15/2022 17:34
1071 D - Substring GNU C++17 (64) dfs and similar dp graphs *1700 Jan/15/2022 15:57
1070 E - Directing Edges GNU C++17 (64) constructive algorithms dfs and similar graphs *2000 Jan/13/2022 02:40
1069 C - Multiplicity GNU C++17 (64) data structures dp implementation math number theory *1700 Jan/11/2022 21:44
1068 D - Palindromes Coloring GNU C++17 (64) binary search greedy sortings strings *1400 Jan/11/2022 01:56
1067 C - Division by Two and Permutation GNU C++17 (64) constructive algorithms flows graph matchings greedy math *1100 Jan/10/2022 20:48
1066 B - Make AP GNU C++17 (64) implementation math *900 Jan/10/2022 20:33
1065 A - Plus One on the Subset GNU C++17 (64) math *800 Jan/10/2022 20:07
1064 C - Fox And Names GNU C++17 (64) dfs and similar graphs sortings *1600 Jan/10/2022 16:10
1063 D - Roads not only in Berland GNU C++17 (64) dsu graphs trees *1900 Jan/10/2022 15:34
1062 E - Arithmetic Number C++ (GCC 9.2.1) AtCoder *500 Jan/09/2022 02:25
1061 D - Prefix K-th Max C++ (GCC 9.2.1) AtCoder *400 Jan/08/2022 18:07
1060 B - Longest Segment C++ (GCC 9.2.1) AtCoder *200 Jan/08/2022 17:43
1059 A - Weird Function C++ (GCC 9.2.1) AtCoder *100 Jan/08/2022 17:34
1058 B - Eastern Exhibition GNU C++17 (64) binary search geometry shortest paths sortings *1500 Jan/08/2022 16:46
1057 B - Integers Shop GNU C++17 (64) data structures greedy implementation *1500 Jan/05/2022 17:40
1056 B - Jzzhu and Cities GNU C++17 (64) graphs greedy shortest paths *2000 Jan/05/2022 03:06
1055 C - Hard problem GNU C++17 (64) dp strings *1600 Jan/04/2022 16:28
1054 D - Lunar New Year and a Wander GNU C++17 (64) data structures dfs and similar graphs greedy shortest paths *1500 Jan/04/2022 01:11
1053 A - Stable Arrangement of Rooks GNU C++17 (64) constructive algorithms *800 Jan/03/2022 20:12
1052 C - Buns GNU C++17 (64) dp *1700 Jan/02/2022 03:36
1051 E - Fish GNU C++17 (64) bitmasks dp probabilities *1900 Jan/01/2022 19:26
1050 C - Representative Edges GNU C++17 (64) brute force geometry implementation math *1500 Dec/31/2021 21:18
1049 B - Disturbed People GNU C++17 (64) greedy *1000 Dec/30/2021 19:41
1048 A - Diverse Substring GNU C++17 (64) implementation strings *1000 Dec/30/2021 19:34
1047 B - Mirror in the String GNU C++17 (64) greedy strings *1100 Dec/29/2021 21:40
1046 A - Integer Diversity GNU C++17 (64) implementation *800 Dec/29/2021 21:09
1045 B - Maximal Continuous Rest GNU C++17 (64) implementation *900 Dec/29/2021 20:46
1044 B - Ania and Minimizing GNU C++17 (64) greedy implementation *1000 Dec/29/2021 20:29
1043 C - Balanced Stone Heaps GNU C++17 (64) binary search greedy *1600 Dec/28/2021 22:27
1042 B - Non-Coprime Partition GNU C++17 (64) constructive algorithms math *1100 Dec/28/2021 18:43
1041 C - Set or Decrease GNU C++17 (64) binary search brute force greedy sortings *1600 Dec/28/2021 16:12
1040 B - Berland Music GNU C++17 (64) data structures greedy math sortings *1000 Dec/27/2021 20:30
1039 A - Construct a Rectangle GNU C++17 (64) geometry math *800 Dec/27/2021 20:13
1038 B - Relatively Prime Pairs GNU C++17 (64) greedy math number theory *1000 Dec/27/2021 19:42
1037 A - Cashier GNU C++17 (64) implementation *1000 Dec/27/2021 19:37
1036 B - Hate "A" GNU C++17 (64) implementation strings *1100 Dec/25/2021 19:52
1035 B - And It's Non-Zero GNU C++17 (64) bitmasks greedy math *1300 Dec/24/2021 21:49
1034 A - Closing The Gap GNU C++17 (64) greedy math *800 Dec/24/2021 20:13
1033 A - Shuffle Hashing GNU C++17 (64) brute force implementation strings *1000 Dec/24/2021 19:36
1032 A - Berland Poker GNU C++17 (64) brute force greedy math *1000 Dec/24/2021 19:12
1031 O - Matching C++ (GCC 9.2.1) AtCoder *100 Dec/24/2021 16:22
1030 A - Chess Tourney GNU C++17 (64) implementation sortings *1100 Dec/23/2021 20:56
1029 C - Two TVs GNU C++17 (64) data structures greedy sortings *1500 Dec/23/2021 20:45
1028 B - Luba And The Ticket GNU C++17 (64) brute force greedy implementation *1600 Dec/23/2021 20:19
1027 F - Clear the String GNU C++17 (64) dp *2000 Dec/23/2021 17:18
1026 K - Stones C++ (GCC 9.2.1) AtCoder *100 Dec/22/2021 04:55
1025 E - Replace the Numbers GNU C++17 (64) constructive algorithms data structures dsu implementation *1900 Dec/21/2021 23:11
1024 E - MEX and Increments GNU C++17 (64) constructive algorithms data structures dp greedy implementation math sortings *1700 Dec/21/2021 20:04
1023 C - Wrong Addition GNU C++17 (64) implementation *1200 Dec/21/2021 15:31
1022 B - Squares and Cubes GNU C++17 (64) implementation math *800 Dec/20/2021 20:22
1021 A - Square String? GNU C++17 (64) implementation strings *800 Dec/20/2021 20:08
1020 D - Flowers GNU C++17 (64) dp *1700 Dec/20/2021 05:12
1019 A - Equal or Not Equal GNU C++17 (64) constructive algorithms dsu implementation *800 Dec/18/2021 23:06
1018 B - Triangles on a Rectangle GNU C++17 (64) geometry greedy math *1000 Dec/18/2021 21:45
1017 D - Maximum Sum of Products GNU C++17 (64) brute force dp implementation math two pointers *1600 Dec/18/2021 19:46
1016 C - Planar Reflections GNU C++17 (64) brute force data structures dp *1600 Dec/18/2021 15:14
1015 C - Bear and Prime 100 GNU C++17 (64) constructive algorithms interactive math number theory *1400 Dec/17/2021 21:56
1014 C - Paprika and Permutation GNU C++17 (64) binary search greedy math sortings *1300 Dec/16/2021 22:38
1013 B - GCD Problem GNU C++17 (64) brute force constructive algorithms math number theory *900 Dec/16/2021 21:34
1012 A - Forbidden Subsequence GNU C++17 (64) constructive algorithms greedy sortings strings *800 Dec/16/2021 21:33
1011 C1 - Guessing the Greatest (easy version) GNU C++17 (64) binary search interactive *1600 Dec/16/2021 18:31
1010 D - Add to Neighbour and Remove GNU C++17 (64) greedy math number theory *1400 Dec/16/2021 01:20
1009 C - Di-visible Confusion GNU C++17 (64) brute force greedy math number theory *1300 Dec/16/2021 00:11
1008 I - Coins C++ (GCC 9.2.1) AtCoder *100 Dec/15/2021 20:06
1007 F - LCS C++ (GCC 9.2.1) AtCoder *100 Dec/15/2021 01:38
1006 D - Array and Operations GNU C++17 (64) dp greedy math *1300 Dec/14/2021 22:58
1005 A - Polycarp and Sums of Subsequences GNU C++17 (64) math sortings *800 Dec/14/2021 22:24
1004 B - Missing Bigram GNU C++17 (64) implementation *800 Dec/14/2021 22:24
1003 C - Paint the Array GNU C++17 (64) math *1100 Dec/14/2021 22:24
1002 A - Regular Bracket Sequence GNU C++17 (64) greedy implementation *1100 Dec/14/2021 19:43
1001 H - Grid 1 C++ (GCC 9.2.1) AtCoder *100 Dec/14/2021 16:48
1000 C - Duff in the Army GNU C++17 (64) data structures trees *2200 Dec/13/2021 19:56
999 D - Even Relation C++ (GCC 9.2.1) AtCoder *400 Dec/13/2021 03:45
998 A - Balance the Bits GNU C++17 (64) constructive algorithms greedy *1600 Dec/13/2021 02:15
997 C - Minimize Distance GNU C++17 (64) greedy math *1300 Dec/13/2021 00:16
996 B - Array Eversion GNU C++17 (64) greedy *900 Dec/12/2021 21:07
995 A - Life of a Flower GNU C++17 (64) implementation *800 Dec/12/2021 20:50
994 D - Transit Tree Path C++ (GCC 9.2.1) AtCoder *400 Dec/12/2021 16:36
993 D - Ki C++ (GCC 9.2.1) AtCoder *400 Dec/12/2021 14:13
992 B - Build the Permutation GNU C++17 (64) constructive algorithms greedy *1200 Dec/11/2021 18:41
991 A - Find Array GNU C++17 (64) constructive algorithms math *800 Dec/11/2021 15:37
990 E - Gold Transfer GNU C++17 (64) binary search data structures dp greedy interactive trees *2200 Dec/10/2021 22:58
989 E - Divisibility by 25 GNU C++17 (64) brute force greedy *2100 Dec/10/2021 20:00
988 C - Equal Sums GNU C++17 (64) implementation sortings *1400 Dec/10/2021 18:04
987 B - Substrings Sort GNU C++17 (64) sortings strings *1100 Dec/10/2021 17:23
986 A - Diverse Team GNU C++17 (64) brute force implementation *800 Dec/10/2021 17:14
985 E - A and B and Lecture Rooms GNU C++17 (64) binary search data structures dfs and similar dp trees *2100 Dec/10/2021 14:46
984 D - Binary String To Subsequences GNU C++17 (64) constructive algorithms data structures greedy implementation *1500 Dec/08/2021 20:51
983 D - Min Cost String GNU C++17 (64) brute force constructive algorithms graphs greedy strings *1600 Dec/08/2021 01:41
982 C - Lucky Sum GNU C++17 (64) brute force math *1100 Dec/07/2021 19:15
981 A - Lucky Division GNU C++17 (64) brute force number theory *1000 Dec/07/2021 18:06
980 C - Timofey and a tree GNU C++17 (64) dfs and similar graphs implementation trees *1600 Dec/06/2021 22:23
979 D - X-Magic Pair GNU C++17 (64) math number theory *1600 Dec/06/2021 18:04
978 D - 13th Labour of Heracles GNU C++17 (64) data structures greedy sortings trees *1500 Dec/05/2021 20:42
977 C - Petya and Catacombs GNU C++17 (64) dsu greedy implementation trees *1300 Dec/05/2021 02:41
976 C - PolandBall and Forest GNU C++17 (64) dfs and similar dsu graphs interactive trees *1300 Dec/05/2021 01:57
975 C - Ehab and Path-etic MEXs GNU C++17 (64) constructive algorithms dfs and similar greedy trees *1500 Dec/04/2021 19:33
974 C - Cut 'em all! GNU C++17 (64) dfs and similar dp graphs greedy trees *1500 Dec/04/2021 03:03
973 C1 - Brain Network (easy) GNU C++17 (64) *1300 Dec/04/2021 01:10
972 C - X drawing C++ (GCC 9.2.1) AtCoder *300 Dec/03/2021 19:41
971 E - Fraction Floor Sum C++ (GCC 9.2.1) AtCoder *500 Dec/03/2021 18:34
970 B - Triple Metre C++ (GCC 9.2.1) AtCoder *200 Dec/03/2021 17:36
969 A - AtCoder Quiz 3 C++ (GCC 9.2.1) AtCoder *100 Dec/03/2021 17:33
968 B - Mahmoud and Ehab and the bipartiteness GNU C++17 (64) dfs and similar graphs trees *1300 Dec/03/2021 16:53
967 C - Candies GNU C++17 (64) binary search implementation *1500 Dec/03/2021 15:26
966 C - Party GNU C++17 (64) dfs and similar graphs trees *900 Dec/03/2021 03:21
965 J - Send the Fool Further! (easy) GNU C++17 (64) dfs and similar graphs trees *1400 Dec/03/2021 03:16
964 C - Xor-tree GNU C++17 (64) brute force data structures dfs and similar trees *1300 Dec/03/2021 00:35
963 A - Long Comparison GNU C++17 (64) implementation math *900 Dec/01/2021 21:49
962 C - Poisoned Dagger GNU C++17 (64) binary search *1200 Dec/01/2021 21:35
961 B - Absent Remainder GNU C++17 (64) greedy implementation sortings *1000 Dec/01/2021 21:18
960 A - Modular Exponentiation GNU C++17 (64) implementation math *900 Dec/01/2021 16:51
959 D - Too Easy Problems GNU C++17 (64) binary search brute force data structures greedy sortings *1800 Dec/01/2021 16:44
958 F - ATM and Students GNU C++17 (64) binary search data structures two pointers *1800 Nov/30/2021 21:17
957 E1 - Escape The Maze (easy version) GNU C++17 (64) dfs and similar greedy shortest paths trees two pointers *1700 Nov/30/2021 14:19
956 C - Complex Market Analysis GNU C++17 (64) binary search dp implementation number theory schedules two pointers *1400 Nov/29/2021 16:14
955 A - Divide and Multiply GNU C++17 (64) greedy implementation math number theory *900 Nov/29/2021 14:15
954 B - William the Vigilant GNU C++17 (64) implementation strings *1100 Nov/29/2021 14:15
953 C - Divan and bitwise operations GNU C++17 (64) bitmasks combinatorics constructive algorithms dp math *1500 Nov/29/2021 03:22
952 C2 - Brain Network (medium) GNU C++17 (64) dfs and similar graphs trees *1500 Nov/29/2021 02:24
951 B - Motarack's Birthday GNU C++17 (64) binary search greedy ternary search *1500 Nov/28/2021 18:55
950 E1 - Close Tuples (easy version) GNU C++17 (64) binary search combinatorics math sortings two pointers *1500 Nov/27/2021 20:46
949 C - Binary Search GNU C++17 (64) binary search combinatorics *1500 Nov/26/2021 14:57
948 D - Weights Assignment For Tree Edges GNU C++17 (64) constructive algorithms trees *1500 Nov/26/2021 01:40
947 C - Polycarp Recovers the Permutation GNU C++17 (64) constructive algorithms *1000 Nov/25/2021 20:54
946 B - Team Composition: Programmers and Mathematicians GNU C++17 (64) binary search constructive algorithms math *800 Nov/25/2021 20:20
945 A - Make Even GNU C++17 (64) constructive algorithms math *800 Nov/25/2021 20:11
944 C - Sonya and Queries GNU C++17 (64) data structures implementation *1400 Nov/25/2021 03:25
943 C - Binary String Reconstruction GNU C++17 (64) 2-sat brute force constructive algorithms greedy *1500 Nov/24/2021 21:05
942 F - Interesting Function GNU C++17 (64) binary search dp math number theory *1500 Nov/24/2021 19:46
941 B - Kalindrome Array GNU C++17 (64) greedy two pointers *1100 Nov/24/2021 01:07
940 A - Anti Light's Cell Guessing GNU C++17 (64) math *900 Nov/24/2021 01:07
939 C - Keshi Is Throwing a Party GNU C++17 (64) binary search greedy *1600 Nov/24/2021 01:06
938 C - Number of Pairs GNU C++17 (64) binary search data structures math two pointers *1300 Nov/23/2021 19:33
937 C - Chat Ban GNU C++17 (64) binary search math *1300 Nov/22/2021 22:16
936 B - Special Permutation GNU C++17 (64) constructive algorithms greedy *900 Nov/22/2021 19:06
935 A - Distance GNU C++17 (64) brute force constructive algorithms *800 Nov/22/2021 15:16
934 F1 - Guess the K-th Zero (Easy version) GNU C++17 (64) binary search interactive *1600 Nov/22/2021 13:40
933 A - Equator GNU C++17 (64) implementation *1300 Nov/18/2021 17:48
932 C - Make a Square GNU C++17 (64) brute force implementation math *1400 Nov/18/2021 16:33
931 D - Merge Equals GNU C++17 (64) data structures implementation *1600 Nov/16/2021 15:56
930 B - Students in Railway Carriage GNU C++17 (64) constructive algorithms greedy implementation *1300 Nov/16/2021 04:01
929 C - Balanced Bitstring GNU C++17 (64) greedy implementation strings *1500 Nov/16/2021 01:18
928 J - Jeopardy of Dropped Balls GNU C++17 (64) binary search brute force dsu implementation *1500 Nov/15/2021 16:35
927 C - Killjoy GNU C++17 (64) greedy implementation math *1500 Nov/15/2021 15:19
926 D2 - Sage's Birthday (hard version) GNU C++17 (64) binary search brute force constructive algorithms greedy sortings two pointers *1500 Nov/14/2021 19:27
925 A1 - Binary Table (Easy Version) GNU C++17 (64) constructive algorithms implementation *1500 Nov/13/2021 22:49
924 C1 - Binary Table (Easy Version) GNU C++17 (64) constructive algorithms implementation *1500 Nov/13/2021 22:48
923 F - Equalize the Array GNU C++17 (64) binary search data structures greedy math sortings *1500 Nov/13/2021 19:33
922 B - KEYENCE building C++ (GCC 9.2.1) AtCoder *200 Nov/13/2021 17:58
921 A - Last Card C++ (GCC 9.2.1) AtCoder *100 Nov/13/2021 17:55
920 C - Dominant Character GNU C++17 (64) brute force greedy implementation strings *1400 Nov/13/2021 01:23
919 B - Reverse Sort GNU C++17 (64) greedy sortings *1000 Nov/12/2021 22:31
918 A - A.M. Deviation GNU C++17 (64) math number theory *800 Nov/12/2021 22:28
917 C - Nastya and Strange Generator GNU C++17 (64) greedy implementation *1500 Nov/12/2021 18:45
916 A - Nastya and Strange Generator GNU C++17 (64) brute force data structures greedy implementation *1500 Nov/12/2021 18:43
915 D - Solve The Maze GNU C++17 (64) constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths *1700 Nov/12/2021 15:42
914 C - Minimum Grid Path GNU C++17 (64) brute force data structures greedy math *1500 Nov/11/2021 03:51
913 E - Military Problem GNU C++17 (64) dfs and similar graphs trees *1600 Nov/10/2021 22:59
912 D - Polycarp and Div 3 GNU C++17 (64) dp greedy number theory *1500 Nov/10/2021 21:05
911 C - Summarize to the Power of Two GNU C++17 (64) brute force greedy implementation *1300 Nov/10/2021 17:43
910 B - Delete from the Left GNU C++17 (64) brute force implementation strings *900 Nov/10/2021 17:26
909 A - Tanya and Stairways GNU C++17 (64) implementation *800 Nov/10/2021 17:20
908 C - Minimum Ties GNU C++17 (64) brute force constructive algorithms dfs and similar graphs greedy implementation math *1500 Nov/10/2021 16:41
907 E - Restoring the Permutation GNU C++17 (64) constructive algorithms implementation *1500 Nov/09/2021 21:44
906 D - Glider GNU C++17 (64) binary search data structures two pointers *1700 Nov/09/2021 20:53
905 C - Coffee Break GNU C++17 (64) binary search data structures greedy two pointers *1600 Nov/09/2021 17:50
904 B - Buying a TV Set GNU C++17 (64) math *1000 Nov/09/2021 17:10
903 A - Heist GNU C++17 (64) greedy implementation sortings *800 Nov/09/2021 16:59
902 C - Random Events GNU C++17 (64) dp math probabilities *1500 Nov/09/2021 15:58
901 E2 - Close Tuples (hard version) GNU C++17 (64) binary search combinatorics implementation math sortings two pointers *1700 Nov/09/2021 14:53
900 D - Phoenix and Socks GNU C++17 (64) greedy sortings two pointers *1500 Nov/08/2021 20:20
899 D - Vupsen, Pupsen and 0 GNU C++17 (64) constructive algorithms math *1600 Nov/07/2021 21:27
898 C - Martial artist C++ (GCC 9.2.1) AtCoder *300 Nov/07/2021 18:19
897 B - Counting Arrays C++ (GCC 9.2.1) AtCoder *200 Nov/07/2021 17:50
896 A - Round decimals C++ (GCC 9.2.1) AtCoder *100 Nov/07/2021 17:32
895 E - Robot on the Board 1 GNU C++17 (64) implementation *1600 Nov/05/2021 21:38
894 D - Blue-Red Permutation GNU C++17 (64) greedy math sortings *1300 Nov/02/2021 21:28
893 C - Minimum Extraction GNU C++17 (64) brute force sortings *1000 Nov/02/2021 20:53
892 B - Odd Grasshopper GNU C++17 (64) math *900 Nov/02/2021 20:25
891 A - Linear Keyboard GNU C++17 (64) implementation strings *800 Nov/02/2021 20:10
890 A - Restoring Three Numbers GNU C++17 (64) math *800 Nov/02/2021 15:32
889 E - Two Teams GNU C++17 (64) data structures implementation sortings *1800 Nov/02/2021 15:14
888 D - Walking Robot GNU C++17 (64) greedy *1500 Nov/01/2021 22:38
887 C - Gourmet Cat GNU C++17 (64) implementation math *1400 Nov/01/2021 21:45
886 B - Draw! GNU C++17 (64) greedy implementation *1400 Nov/01/2021 20:31
885 C - Banknotes GNU C++17 (64) greedy number theory *1400 Nov/01/2021 16:27
884 A - Era GNU C++17 (64) greedy *800 Oct/31/2021 21:35
883 B - Update Files GNU C++17 (64) greedy implementation math *1100 Oct/30/2021 15:59
882 A - AB Balance GNU C++17 (64) strings *900 Oct/30/2021 14:39
881 A - Two Subsequences GNU C++17 (64) implementation *800 Oct/29/2021 16:58
880 B - Divine Array GNU C++17 (64) constructive algorithms implementation *1100 Oct/29/2021 16:52
879 A - Competitive Programmer GNU C++17 (64) chinese remainder theorem math *1000 Oct/23/2021 02:40
878 B - Omkar and Heavenly Tree GNU C++17 (64) brute force constructive algorithms trees *1200 Oct/17/2021 17:52
877 A - Windblume Ode GNU C++17 (64) brute force constructive algorithms greedy math number theory *800 Oct/17/2021 17:52
876 C - The Delivery Dilemma GNU C++17 (64) binary search greedy sortings *1400 Oct/17/2021 15:16
875 C - Strange Game On Matrix GNU C++17 (64) greedy two pointers *1600 Oct/15/2021 16:26
874 D1 - All are Same GNU C++17 (64) math number theory *1100 Oct/14/2021 17:48
873 B - Make it Divisible by 25 GNU C++17 (64) dfs and similar dp greedy math math *900 Oct/13/2021 22:02
872 C - Save More Mice GNU C++17 (64) binary search greedy greedy *1000 Oct/13/2021 20:58
871 A - Elections GNU C++17 (64) math *800 Oct/13/2021 20:21
870 C - Edgy Trees GNU C++17 (64) dfs and similar dsu graphs math trees *1500 Oct/13/2021 15:14
869 I - Parking Lot GNU C++17 (64) combinatorics math *1700 Oct/13/2021 01:52
868 C - Longest Regular Bracket Sequence GNU C++17 (64) constructive algorithms data structures dp greedy sortings strings *1900 Oct/12/2021 21:11
867 B - Balanced Substring GNU C++17 (64) dp implementation *1500 Oct/12/2021 15:26
866 B - Uniqueness GNU C++17 (64) binary search brute force implementation two pointers *1500 Oct/12/2021 02:23
865 J - Robot Factory GNU C++17 (64) bitmasks dfs and similar *1400 Oct/11/2021 22:29
864 C - Compressed Bracket Sequence GNU C++17 (64) brute force implementation *1800 Oct/11/2021 19:34
863 B - Groups GNU C++17 (64) brute force implementation *1000 Oct/10/2021 16:46
862 C - Delete Two Elements GNU C++17 (64) data structures dp implementation math two pointers *1200 Oct/10/2021 16:40
861 A - Computer Game GNU C++17 (64) brute force dfs and similar dp implementation *800 Oct/10/2021 14:48
860 B - Emotes GNU C++17 (64) greedy math sortings *1000 Oct/10/2021 14:11
859 B - Special Numbers GNU C++17 (64) bitmasks math *1100 Oct/09/2021 20:54
858 E1 - Rubik's Cube Coloring (easy version) GNU C++17 (64) combinatorics math *1300 Oct/09/2021 20:40
857 C - Vasya and String GNU C++17 (64) binary search dp strings two pointers *1500 Oct/09/2021 03:48
856 C - Make Them Equal GNU C++17 (64) brute force greedy math strings *1200 Oct/09/2021 00:35
855 A - Consecutive Sum Riddle GNU C++17 (64) math *800 Oct/09/2021 00:34
854 E - Tetrahedron GNU C++17 (64) dp math matrices *1500 Oct/08/2021 15:46
853 C - Tile Painting GNU C++17 (64) number theory *1500 Oct/08/2021 01:35
852 B1 - Character Swap (Easy Version) GNU C++17 (64) strings *1000 Oct/07/2021 21:58
851 C - Ehab and Prefix MEXs GNU C++17 (64) brute force constructive algorithms greedy *1600 Oct/07/2021 16:22
850 B1 - Cat Party (Easy Edition) GNU C++17 (64) data structures implementation *1500 Oct/07/2021 01:16
849 C - Electrification GNU C++17 (64) binary search brute force greedy *1600 Oct/06/2021 20:52
848 E - Two Arrays and Sum of Functions GNU C++17 (64) greedy math sortings *1600 Oct/06/2021 16:52
847 C - Good String GNU C++17 (64) brute force dp greedy two pointers *1500 Oct/05/2021 23:07
846 E1 - Reading Books (easy version) GNU C++17 (64) data structures greedy sortings *1600 Oct/05/2021 18:47
845 D1 - Optimal Subsequences (Easy Version) GNU C++17 (64) data structures greedy *1600 Oct/05/2021 01:15
844 C - Chef Monocarp GNU C++17 (64) dp flows graph matchings greedy math sortings *1800 Oct/04/2021 22:09
843 D - Minimal Height Tree GNU C++17 (64) graphs greedy shortest paths trees *1600 Oct/04/2021 15:43
842 A - Gamer Hemose GNU C++17 (64) binary search greedy math sortings *800 Oct/04/2021 00:02
841 B - Hemose Shopping GNU C++17 (64) constructive algorithms dsu math sortings *1200 Oct/04/2021 00:02
840 E2 - Array Optimization by Deque GNU C++17 (64) data structures greedy *1700 Oct/03/2021 15:55
839 A - Creating a Character GNU C++17 (64) binary search math *1300 Oct/03/2021 02:43
838 B - Zmei Gorynich GNU C++17 (64) greedy math *1600 Oct/03/2021 02:21
837 D - Online games C++ (GCC 9.2.1) AtCoder *400 Oct/02/2021 21:10
836 C - Select Mul C++ (GCC 9.2.1) AtCoder *300 Oct/02/2021 17:54
835 B - typo C++ (GCC 9.2.1) AtCoder *200 Oct/02/2021 17:42
834 A - Seismic magnitude scales C++ (GCC 9.2.1) AtCoder *100 Oct/02/2021 17:32
833 D2 - Equalizing by Division (hard version) GNU C++17 (64) brute force math sortings *1600 Oct/02/2021 16:25
832 B - Bad Prices GNU C++17 (64) data structures implementation *1100 Oct/02/2021 02:59
831 D1 - Equalizing by Division (easy version) GNU C++17 (64) brute force implementation *1500 Oct/02/2021 02:42
830 D - Stas and the Queue at the Buffet GNU C++17 (64) greedy math sortings *1600 Oct/01/2021 23:10
829 C - Sequence Pair Weight GNU C++17 (64) hashing implementation math *1600 Oct/01/2021 20:53
828 B - Catch Overflow! GNU C++17 (64) data structures expression parsing implementation *1600 Sep/30/2021 22:09
827 C - Ticks GNU C++17 (64) greedy implementation *1500 Sep/29/2021 19:45
826 D - Productive Meeting GNU C++17 (64) constructive algorithms graphs greedy *1400 Sep/28/2021 21:41
825 A - Casimir's String Solitaire GNU C++17 (64) math strings *800 Sep/28/2021 21:04
824 B - Shifting Sort GNU C++17 (64) implementation sortings *1100 Sep/28/2021 21:04
823 E1 - Permutation Minimization by Deque GNU C++17 (64) constructive algorithms greedy math *1000 Sep/28/2021 21:03
822 B - Proper Nutrition GNU C++17 (64) brute force implementation number theory *1100 Sep/28/2021 19:15
821 C - Robot Breakout GNU C++17 (64) implementation *1500 Sep/28/2021 01:29
820 D1 - RGB Substring (easy version) GNU C++17 (64) implementation *1500 Sep/27/2021 21:16
819 D1 - Parallel Universes (Easy) GNU C++17 (64) implementation *1600 Sep/27/2021 18:04
818 A - Remainder GNU C++17 (64) implementation math *1100 Sep/26/2021 22:16
817 B - Polycarp Training GNU C++17 (64) data structures greedy sortings *1000 Sep/26/2021 21:49
816 C - Long Sequence C++ (GCC 9.2.1) AtCoder *300 Sep/26/2021 17:50
815 B - Base K C++ (GCC 9.2.1) AtCoder *200 Sep/26/2021 17:41
814 A - Find Multiple C++ (GCC 9.2.1) AtCoder *100 Sep/26/2021 17:31
813 C - Playlist GNU C++17 (64) brute force data structures sortings *1600 Sep/26/2021 17:07
812 D1 - Remove the Substring (easy version) GNU C++17 (64) greedy implementation *1600 Sep/26/2021 16:21
811 E - Boxers GNU C++17 (64) greedy sortings *1500 Sep/25/2021 21:07
810 C - Pipes GNU C++17 (64) dp implementation *1500 Sep/25/2021 15:34
809 C - Linova and Kingdom GNU C++17 (64) dfs and similar dp greedy sortings trees *1600 Sep/24/2021 19:33
808 G - Special Permutation GNU C++17 (64) constructive algorithms *1600 Sep/23/2021 21:53
807 F - Binary String Reconstruction GNU C++17 (64) constructive algorithms dfs and similar math *1500 Sep/23/2021 20:58
806 E - Special Elements GNU C++17 (64) brute force implementation two pointers *1500 Sep/23/2021 18:56
805 C - Board Moves GNU C++17 (64) math *1000 Sep/23/2021 03:13
804 D - Constructing the Array GNU C++17 (64) constructive algorithms data structures sortings *1600 Sep/23/2021 02:22
803 A - Balanced Rating Changes GNU C++17 (64) implementation math *1000 Sep/22/2021 22:42
802 B - 01 Game GNU C++17 (64) games *900 Sep/21/2021 19:38
801 C - Slay the Dragon GNU C++17 (64) binary search greedy sortings ternary search *1300 Sep/20/2021 21:10
800 B - Combinatorics Homework GNU C++17 (64) combinatorics greedy math *1100 Sep/20/2021 20:41
799 A - Regular Bracket Sequences GNU C++17 (64) constructive algorithms *800 Sep/20/2021 20:12
798 B - Applejack and Storages GNU C++17 (64) constructive algorithms data structures greedy implementation *1400 Sep/20/2021 19:59
797 B - Swaps GNU C++17 (64) greedy math sortings *1400 Sep/19/2021 22:20
796 A - Countdown GNU C++17 (64) greedy *800 Sep/18/2021 20:12
795 A - String Task GNU C++17 (64) implementation strings *1000 Sep/18/2021 04:02
794 E - Bertown roads GNU C++17 (64) dfs and similar graphs *2000 Sep/18/2021 03:50
793 C - Deep Down Below GNU C++17 (64) binary search greedy sortings *1300 Sep/17/2021 17:06
792 B - Alice, Bob, Two Teams GNU C++17 (64) brute force constructive algorithms *1400 Sep/16/2021 16:54
791 C - The Smallest String Concatenation GNU C++17 (64) sortings strings *1700 Sep/16/2021 15:21
790 B - Unlucky Ticket GNU C++17 (64) greedy sortings *1100 Sep/15/2021 03:52
789 C - Find Pair GNU C++17 (64) implementation math sortings *1700 Sep/15/2021 03:42
788 D2 - Seating Arrangements (hard version) GNU C++17 (64) data structures greedy implementation sortings two pointers *1600 Sep/14/2021 20:59
787 C - Remove Adjacent GNU C++17 (64) brute force constructive algorithms greedy strings *1600 Sep/13/2021 22:22
786 C - Beautiful Regional Contest GNU C++17 (64) greedy implementation *1500 Sep/13/2021 20:15
785 E - Destruction C++ (GCC 9.2.1) AtCoder *500 Sep/13/2021 01:21
784 D1 - Seating Arrangements (easy version) GNU C++17 (64) data structures greedy sortings *1100 Sep/12/2021 21:28
783 C - MAX-MEX Cut GNU C++17 (64) bitmasks constructive algorithms dp greedy *1000 Sep/12/2021 21:08
782 B - MIN-MEX Cut GNU C++17 (64) bitmasks constructive algorithms dp greedy *800 Sep/12/2021 20:25
781 A - Median Maximization GNU C++17 (64) binary search greedy math *800 Sep/12/2021 20:15
780 B - Beautiful Numbers GNU C++17 (64) data structures implementation math two pointers *1300 Sep/12/2021 15:10
779 A - New Year Garland GNU C++17 (64) math *900 Sep/11/2021 20:01
778 B - Journey Planning GNU C++17 (64) data structures sortings *1400 Sep/10/2021 23:02
777 D - Pair of Topics GNU C++17 (64) binary search data structures sortings two pointers *1400 Sep/10/2021 15:04
776 C - Stack of Presents GNU C++17 (64) data structures implementation *1400 Sep/09/2021 22:17
775 C - Jury Meeting GNU C++17 (64) combinatorics math *1500 Sep/09/2021 16:32
774 B - Chess Tournament GNU C++17 (64) constructive algorithms *1000 Sep/08/2021 21:05
773 A - Balanced Substring GNU C++17 (64) implementation *800 Sep/08/2021 20:15
772 B - Little Girl and Game GNU C++17 (64) games greedy *1300 Sep/08/2021 16:30
771 B - Two Arrays GNU C++17 (64) greedy math sortings *1100 Sep/07/2021 20:41
770 A - Copy-paste GNU C++17 (64) greedy math *800 Sep/07/2021 20:14
769 C - Little Girl and Maximum Sum GNU C++17 (64) data structures greedy implementation sortings *1500 Sep/07/2021 17:48
768 B - Yet Another Crosses Problem GNU C++17 (64) implementation *1300 Sep/07/2021 02:51
767 C - From S To T GNU C++17 (64) implementation strings *1300 Sep/07/2021 01:57
766 C - Good String GNU C++17 (64) greedy *1300 Sep/06/2021 22:11
765 B - MEXor Mixup GNU C++17 (64) bitmasks greedy *1000 Sep/05/2021 21:47
764 A - Domino Disaster GNU C++17 (64) implementation strings *800 Sep/05/2021 20:09
763 A - Yellow Cards GNU C++17 (64) greedy implementation math *1000 Sep/05/2021 19:49
762 C - Swap Letters GNU C++17 (64) constructive algorithms greedy *1500 Sep/05/2021 17:53
761 B - The Number of Products GNU C++17 (64) combinatorics dp implementation *1400 Sep/04/2021 22:03
760 E - Sorting Queries C++ (GCC 9.2.1) AtCoder *500 Sep/04/2021 20:49
759 D - Cutting Woods C++ (GCC 9.2.1) AtCoder *400 Sep/04/2021 17:52
758 C - Inverse of Permutation C++ (GCC 9.2.1) AtCoder *300 Sep/04/2021 17:39
757 B - AtCoder Quiz C++ (GCC 9.2.1) AtCoder *200 Sep/04/2021 17:35
756 A - Lexicographic Order C++ (GCC 9.2.1) AtCoder *100 Sep/04/2021 17:31
755 B - Hierarchy GNU C++17 (64) dfs and similar dsu greedy shortest paths *1500 Sep/04/2021 01:36
754 D - Igor In the Museum GNU C++17 (64) dfs and similar graphs shortest paths *1700 Sep/03/2021 17:42
753 C - Hongcow Builds A Nation GNU C++17 (64) constructive algorithms dfs and similar graphs *1500 Sep/02/2021 22:54
752 B - Fortune Telling GNU C++17 (64) implementation number theory *1200 Sep/02/2021 18:25
751 C - Title GNU C++17 (64) expression parsing *1600 Sep/02/2021 17:37
750 A - Tricky Sum GNU C++17 (64) math *900 Sep/02/2021 02:55
749 B - Queries on a String GNU C++17 (64) implementation strings *1300 Sep/02/2021 02:42
748 B - Jzzhu and Sequences GNU C++17 (64) implementation math *1300 Sep/01/2021 01:33
747 A - Jzzhu and Children GNU C++17 (64) implementation *1000 Sep/01/2021 00:49
746 D - Jzzhu and Cities GNU C++17 (64) graphs greedy shortest paths *2000 Aug/31/2021 22:32
745 A - Prime Minister GNU C++17 (64) greedy *800 Aug/31/2021 16:23
744 C - Tiles GNU C++17 (64) combinatorics greedy math *1300 Aug/31/2021 16:06
743 D - Prime Graph GNU C++17 (64) constructive algorithms greedy math number theory *1500 Aug/31/2021 03:59
742 F - Mentors GNU C++17 (64) binary search data structures implementation *1500 Aug/30/2021 20:26
741 B - Take Your Places! GNU C++17 (64) implementation *1300 Aug/29/2021 22:07
740 A - A Variety of Operations GNU C++17 (64) math *800 Aug/29/2021 20:16
739 C - Rings GNU C++17 (64) constructive algorithms math *1500 Aug/29/2021 14:19
738 B - Codeforces Subsequences GNU C++17 (64) brute force constructive algorithms greedy math strings *1500 Aug/28/2021 22:59
737 A - Specific Tastes of Andre GNU C++17 (64) constructive algorithms implementation *800 Aug/28/2021 22:01
736 B - Bear and Different Names GNU C++17 (64) constructive algorithms greedy *1500 Aug/27/2021 19:42
735 A - Bear and Friendship Condition GNU C++17 (64) dfs and similar dsu graphs *1500 Aug/27/2021 16:19
734 B - Scenes From a Memory GNU C++17 (64) brute force constructive algorithms implementation math number theory *1000 Aug/26/2021 20:47
733 A - The Miracle and the Sleeper GNU C++17 (64) greedy math *800 Aug/26/2021 20:16
732 A - Cubes Sorting GNU C++17 (64) math sortings *900 Aug/26/2021 19:57
731 E - Cyclic Components GNU C++17 (64) dfs and similar dsu graphs *1500 Aug/26/2021 17:32
730 B - Two-gram GNU C++17 (64) implementation strings *900 Aug/25/2021 22:36
729 A - Arya and Bran GNU C++17 (64) implementation *900 Aug/25/2021 22:11
728 C - Journey GNU C++17 (64) dfs and similar dp graphs probabilities trees *1500 Aug/25/2021 21:38
727 A - Charmed by the Game GNU C++17 (64) brute force math *1300 Aug/25/2021 17:19
726 A - Simply Strange Sort GNU C++17 (64) brute force implementation sortings *800 Aug/24/2021 20:40
725 A - Happy Birthday, Polycarp! GNU C++17 (64) implementation *1000 Aug/24/2021 19:30
724 A - As Simple as One and Two GNU C++17 (64) dp greedy *1400 Aug/24/2021 18:24
723 A - Theatre Square GNU C++17 (64) math *1000 Aug/24/2021 02:22
722 B - String Modification GNU C++17 (64) brute force constructive algorithms implementation sortings strings *1400 Aug/23/2021 21:59
721 B - Dreamoon Likes Permutations GNU C++17 (64) implementation math *1400 Aug/23/2021 19:52
720 C - Given Length and Sum of Digits... GNU C++17 (64) dp greedy implementation *1400 Aug/23/2021 18:24
719 A - Visiting a Friend GNU C++17 (64) greedy implementation *1100 Aug/22/2021 21:44
718 B - Orac and Models GNU C++17 (64) dp math number theory *1400 Aug/21/2021 22:01
717 C - One More aab aba baa C++ (GCC 9.2.1) AtCoder *300 Aug/21/2021 17:39
716 B - log2(N) C++ (GCC 9.2.1) AtCoder *200 Aug/21/2021 17:34
715 A - Your First Judge C++ (GCC 9.2.1) AtCoder *100 Aug/21/2021 17:32
714 C - Sweets Eating GNU C++17 (64) dp greedy math sortings *1500 Aug/21/2021 14:51
713 B - Silly Mistake GNU C++17 (64) greedy implementation *1400 Aug/21/2021 03:26
712 B - Number Circle GNU C++17 (64) greedy math sortings *1100 Aug/20/2021 20:59
711 B - Yet Another Meme Problem GNU C++17 (64) math *1100 Aug/19/2021 21:06
710 A - Deadline GNU C++17 (64) binary search brute force math ternary search *1100 Aug/19/2021 20:22
709 D - Make a Power of Two GNU C++17 (64) greedy math strings *1300 Aug/18/2021 23:00
708 C - Infinity Table GNU C++17 (64) implementation math *800 Aug/18/2021 21:37
707 B - Who's Opposite? GNU C++17 (64) math *800 Aug/18/2021 20:52
706 A - Dislike of Threes GNU C++17 (64) implementation *800 Aug/18/2021 20:08
705 A - Parity GNU C++17 (64) math *900 Aug/18/2021 19:24
704 B - Tape GNU C++17 (64) greedy sortings *1400 Aug/18/2021 19:02
703 C - Platforms Jumping GNU C++17 (64) greedy *1700 Aug/18/2021 03:02
702 D - Binary String Minimizing GNU C++17 (64) greedy *1500 Aug/17/2021 19:00
701 B - Minimize the Permutation GNU C++17 (64) greedy *1400 Aug/17/2021 18:27
700 D1 - Mocha and Diana (Easy Version) GNU C++17 (64) brute force constructive algorithms dsu graphs greedy trees *1400 Aug/17/2021 01:50
699 C - Mocha and Hiking GNU C++17 (64) constructive algorithms graphs *1200 Aug/16/2021 01:05
698 A - Mocha and Math GNU C++17 (64) bitmasks constructive algorithms math *900 Aug/15/2021 22:08
697 B - Mocha and Red and Blue GNU C++17 (64) dp greedy *900 Aug/15/2021 20:33
696 A - Two distinct points GNU C++17 (64) implementation *800 Aug/15/2021 18:06
695 C - Nice Garland GNU C++17 (64) brute force greedy math *1300 Aug/15/2021 17:58
694 C - MP3 GNU C++17 (64) two pointers *1600 Aug/14/2021 22:07
693 C - Distribution C++ (GCC 9.2.1) AtCoder *300 Aug/14/2021 18:15
692 B - How many? C++ (GCC 9.2.1) AtCoder *200 Aug/14/2021 17:36
691 A - New Generation ABC C++ (GCC 9.2.1) AtCoder *100 Aug/14/2021 17:32
690 A - ConneR and the A.R.C. Markland-N GNU C++17 (64) binary search brute force implementation *1100 Aug/13/2021 19:24
689 B - JOE is on TV! GNU C++17 (64) combinatorics greedy math *1000 Aug/13/2021 17:58
688 C - NEKO's Maze Game GNU C++17 (64) constructive algorithms implementation *1400 Aug/13/2021 16:31
687 C - Maximum Median GNU C++17 (64) binary search greedy math sortings *1400 Aug/13/2021 14:52
686 B - USB vs. PS/2 GNU C++17 (64) greedy implementation sortings two pointers *1400 Aug/12/2021 21:45
685 A - k-th divisor GNU C++17 (64) math number theory *1400 Aug/12/2021 21:01
684 B - Balanced Tunnel GNU C++17 (64) data structures sortings two pointers *1300 Aug/11/2021 18:15
683 B - Kill `Em All GNU C++17 (64) greedy sortings *1300 Aug/11/2021 02:21
682 A - Ezzat and Two Subsequences GNU C++17 (64) brute force math sortings *800 Aug/10/2021 00:41
681 B - Moamen and k-subarrays GNU C++17 (64) greedy sortings *1100 Aug/10/2021 00:41
680 D - Diverse Garland GNU C++17 (64) constructive algorithms dp greedy *1400 Aug/09/2021 16:39
679 C - Powers Of Two GNU C++17 (64) bitmasks greedy *1400 Aug/09/2021 15:30
678 A - Detective Book GNU C++17 (64) implementation *1000 Aug/08/2021 22:17
677 C - Reorder Cards C++ (GCC 9.2.1) AtCoder *300 Aug/08/2021 18:58
676 D - Takahashi Tour C++ (GCC 9.2.1) AtCoder *400 Aug/08/2021 18:42
675 B - Booby Prize C++ (GCC 9.2.1) AtCoder *200 Aug/08/2021 17:36
674 A - Bitwise Exclusive Or C++ (GCC 9.2.1) AtCoder *100 Aug/08/2021 17:31
673 A - Winner GNU C++17 (64) hashing implementation *1500 Aug/07/2021 22:51
672 B - Kefa and Company GNU C++17 (64) binary search sortings two pointers *1500 Aug/07/2021 02:34
671 A - Superhero Transformation GNU C++17 (64) implementation strings *1000 Aug/06/2021 21:48
670 D - Secret Passwords GNU C++17 (64) dfs and similar dsu graphs *1500 Aug/05/2021 22:13
669 C - Everyone is a Winner! GNU C++17 (64) binary search math meet-in-the-middle number theory *1400 Aug/05/2021 20:00
668 B - PIN Codes GNU C++17 (64) greedy implementation *1400 Aug/05/2021 19:05
667 C - Serval and Parenthesis Sequence GNU C++17 (64) greedy strings *1700 Aug/05/2021 01:13
666 B - Serval and Toy Bricks GNU C++17 (64) constructive algorithms greedy *1200 Aug/04/2021 22:36
665 A - Serval and Bus GNU C++17 (64) brute force math *1000 Aug/04/2021 20:18
664 C - Web of Lies GNU C++17 (64) graphs greedy *1400 Aug/04/2021 17:31
663 C - Coin Rows GNU C++17 (64) brute force constructive algorithms dp implementation *1300 Aug/03/2021 19:12
662 A - Minimum Integer GNU C++17 (64) math *1000 Aug/02/2021 21:07
661 B - Gregor and the Pawn Game GNU C++17 (64) dfs and similar dp flows graph matchings graphs greedy implementation *800 Aug/01/2021 20:32
660 A - Gregor and Cryptography GNU C++17 (64) math number theory *800 Aug/01/2021 20:08
659 C - Soldier and Cards GNU C++17 (64) brute force dfs and similar games *1400 Aug/01/2021 19:05
658 A - Cutting Banner GNU C++17 (64) brute force implementation *1400 Aug/01/2021 16:17
657 C - Divisibility by Eight GNU C++17 (64) brute force dp math *1500 Jul/31/2021 20:18
656 D - Querying Multiset C++ (GCC 9.2.1) AtCoder *400 Jul/31/2021 19:15
655 C - Min Difference C++ (GCC 9.2.1) AtCoder *300 Jul/31/2021 17:49
654 B - Weak Password C++ (GCC 9.2.1) AtCoder *200 Jul/31/2021 17:39
653 A - Alloy C++ (GCC 9.2.1) AtCoder *100 Jul/31/2021 17:32
652 B - Two Tables GNU C++17 (64) brute force *1300 Jul/30/2021 22:40
651 A - PizzaForces GNU C++17 (64) brute force math *900 Jul/30/2021 22:19
650 C - Kefa and Park GNU C++17 (64) dfs and similar graphs trees *1500 Jul/30/2021 19:28
649 A - Boredom GNU C++17 (64) dp *1500 Jul/30/2021 18:23
648 B - Cobb GNU C++17 (64) bitmasks brute force greedy math *1700 Jul/30/2021 15:38
647 A - Cherry GNU C++17 (64) greedy *800 Jul/30/2021 00:57
646 C - Array Splitting GNU C++17 (64) greedy sortings *1400 Jul/29/2021 19:46
645 A - Ehab Fails to Be Thanos GNU C++17 (64) constructive algorithms greedy sortings *1000 Jul/29/2021 15:34
644 C - Ehab and a Special Coloring Problem GNU C++17 (64) constructive algorithms number theory *1300 Jul/29/2021 15:25
643 B - New Skateboard GNU C++17 (64) dp *1300 Jul/28/2021 20:27
642 C - Maximum splitting GNU C++17 (64) dp greedy math number theory *1300 Jul/28/2021 19:57
641 C2 - Increasing Subsequence (hard version) GNU C++17 (64) greedy *1700 Jul/28/2021 02:11
640 C1 - Increasing Subsequence (easy version) GNU C++17 (64) greedy *1300 Jul/27/2021 20:56
639 B - Long Number GNU C++17 (64) greedy *1300 Jul/27/2021 19:50
638 B - Verse For Santa GNU C++17 (64) binary search brute force implementation *1300 Jul/27/2021 19:10
637 B - Maximums GNU C++17 (64) implementation math *900 Jul/26/2021 23:05
636 C - Permutation Partitions GNU C++17 (64) combinatorics greedy math *1300 Jul/26/2021 22:55
635 B - Running for Gold GNU C++17 (64) combinatorics graphs greedy sortings *1500 Jul/26/2021 21:52
634 A - Subsequence Permutation GNU C++17 (64) sortings strings *800 Jul/26/2021 01:19
633 C - Fadi and LCM GNU C++17 (64) brute force math number theory *1400 Jul/25/2021 18:45
632 B - Chess Cheater GNU C++17 (64) greedy implementation sortings *1400 Jul/25/2021 17:14
631 B - Reversing Encryption GNU C++17 (64) implementation *900 Jul/24/2021 21:58
630 D - Number of Shortest paths C++ (GCC 9.2.1) AtCoder *400 Jul/24/2021 19:27
629 B - Cycle Hit C++ (GCC 9.2.1) AtCoder *200 Jul/24/2021 17:36
628 A - Blood Pressure C++ (GCC 9.2.1) AtCoder *100 Jul/24/2021 17:32
627 B2 - Wonderful Coloring - 2 GNU C++17 (64) binary search constructive algorithms data structures greedy *1400 Jul/23/2021 21:54
626 B1 - Wonderful Coloring - 1 GNU C++17 (64) greedy strings *800 Jul/23/2021 20:33
625 A - Polycarp and Coins GNU C++17 (64) greedy math *800 Jul/23/2021 20:21
624 A - Two Substrings GNU C++17 (64) brute force dp greedy implementation strings *1500 Jul/23/2021 19:48
623 B - Reverse String GNU C++17 (64) brute force dp hashing implementation strings *1300 Jul/23/2021 18:05
622 C - Penalty GNU C++17 (64) bitmasks brute force dp greedy *1200 Jul/22/2021 21:48
621 A - Digits Sum GNU C++17 (64) math number theory *800 Jul/22/2021 20:13
620 B - National Project GNU C++17 (64) math *1400 Jul/22/2021 19:22
619 C - Fillomino 2 GNU C++17 (64) constructive algorithms dfs and similar greedy implementation *1400 Jul/22/2021 18:12
618 A - Nearest Interesting Number GNU C++17 (64) implementation *800 Jul/22/2021 01:25
617 C - Computer Game GNU C++17 (64) binary search math *1400 Jul/22/2021 01:20
616 D - Candy Box (easy version) GNU C++17 (64) greedy sortings *1400 Jul/21/2021 20:51
615 B - DZY Loves Chemistry GNU C++17 (64) dfs and similar dsu greedy *1400 Jul/21/2021 19:43
614 B - Universal Solution GNU C++17 (64) greedy *1400 Jul/20/2021 22:36
613 C - Create The Teams GNU C++17 (64) brute force dp greedy implementation sortings *1400 Jul/20/2021 21:27
612 C - String Equality GNU C++17 (64) dp greedy hashing implementation strings *1400 Jul/20/2021 18:04
611 A - K-th Largest Value GNU C++17 (64) brute force greedy implementation *800 Jul/19/2021 20:04
610 D - Secret Santa GNU C++17 (64) constructive algorithms flows graphs greedy math *1600 Jul/18/2021 01:56
609 A - Binary Decimal GNU C++17 (64) greedy math *800 Jul/18/2021 01:55
608 B - Putting Plates GNU C++17 (64) constructive algorithms implementation *800 Jul/18/2021 01:55
607 C - Pursuit GNU C++17 (64) binary search brute force greedy sortings *1200 Jul/18/2021 01:55
606 C - Air Conditioner GNU C++17 (64) dp greedy implementation sortings two pointers *1500 Jul/17/2021 19:13
605 B - Assigning to Classes GNU C++17 (64) greedy implementation sortings *1000 Jul/16/2021 20:44
604 B - Longest Palindrome GNU C++17 (64) brute force constructive algorithms greedy implementation strings *1100 Jul/16/2021 20:22
603 A - ABC String GNU C++17 (64) bitmasks brute force implementation *900 Jul/16/2021 16:11
602 B - Non-Substring Subsequence GNU C++17 (64) dp greedy implementation strings *900 Jul/16/2021 15:48
601 C - Manhattan Subarrays GNU C++17 (64) brute force geometry greedy implementation *1700 Jul/15/2021 20:37
600 B - Maximum Cost Deletion GNU C++17 (64) greedy math *1000 Jul/14/2021 21:14
599 A - Find The Array GNU C++17 (64) greedy math *800 Jul/14/2021 20:12
598 B - AquaMoon and Stolen String GNU C++17 (64) interactive math *1200 Jul/14/2021 18:57
597 C - Stable Groups GNU C++17 (64) greedy sortings *1200 Jul/14/2021 15:11
596 D - Co-growing Sequence GNU C++17 (64) bitmasks constructive algorithms greedy *1300 Jul/13/2021 20:27
595 E - Air Conditioners GNU C++17 (64) data structures dp implementation shortest paths sortings two pointers *1500 Jul/13/2021 18:35
594 B - Bogosort GNU C++17 (64) constructive algorithms sortings *1000 Jul/12/2021 21:45
593 A - AquaMoon and Two Arrays GNU C++17 (64) brute force greedy *800 Jul/11/2021 20:31
592 B - Alphabetical Strings GNU C++17 (64) greedy implementation strings *800 Jul/11/2021 01:18
591 C - Pair Programming GNU C++17 (64) greedy two pointers *1100 Jul/10/2021 22:00
590 A - Shortest Path with Obstacle GNU C++17 (64) implementation math *800 Jul/10/2021 20:16
589 B - Game of Credit Cards GNU C++17 (64) data structures dp greedy sortings *1300 Jul/10/2021 18:56
588 D - Collision C++ (GCC 9.2.1) AtCoder *400 Jul/10/2021 18:14
587 C - Not Equal C++ (GCC 9.2.1) AtCoder *300 Jul/10/2021 17:53
586 B - Can you buy them all? C++ (GCC 9.2.1) AtCoder *200 Jul/10/2021 17:34
585 A - Counting C++ (GCC 9.2.1) AtCoder *100 Jul/10/2021 17:31
584 B - Getting an A GNU C++17 (64) greedy sortings *900 Jul/09/2021 20:25
583 A - If at first you don't succeed... GNU C++17 (64) implementation *1000 Jul/09/2021 20:17
582 B - Comparison C++ (GCC 9.2.1) AtCoder *200 Jul/09/2021 19:46
581 B - NarrowRectanglesEasy C++ (GCC 9.2.1) AtCoder *200 Jul/09/2021 19:28
580 B - Training Camp C++ (GCC 9.2.1) AtCoder *200 Jul/09/2021 19:03
579 B - A to Z String C++ (GCC 9.2.1) AtCoder *200 Jul/09/2021 19:00
578 B - Increment Decrement C++ (GCC 9.2.1) AtCoder *200 Jul/09/2021 18:51
577 B - Sum of Three Integers C++ (GCC 9.2.1) AtCoder *200 Jul/09/2021 18:34
576 B - Weakened Common Divisor GNU C++17 (64) brute force greedy number theory *1600 Jul/09/2021 15:24
575 B2 - TV Subscriptions (Hard Version) GNU C++17 (64) implementation two pointers *1300 Jul/08/2021 21:46
574 B1 - TV Subscriptions (Easy Version) GNU C++17 (64) implementation *1000 Jul/08/2021 21:41
573 A - Donut Shops GNU C++17 (64) greedy implementation math *1000 Jul/08/2021 20:54
572 C - Diamond Miner GNU C++17 (64) geometry greedy sortings *1200 Jul/08/2021 19:15
571 A - Exciting Bets GNU C++17 (64) greedy math number theory *900 Jul/07/2021 21:49
570 B - Customising the Track GNU C++17 (64) combinatorics greedy math *900 Jul/07/2021 21:12
569 A - Unusual Competitions GNU C++17 (64) greedy *1300 Jul/07/2021 19:12
568 A - Nearest Minimums GNU C++17 (64) implementation *1100 Jul/07/2021 17:58
567 D - Welfare State GNU C++17 (64) data structures implementation *1600 Jul/07/2021 17:45
566 B - Water Lily GNU C++17 (64) geometry math *1000 Jul/06/2021 20:36
565 A - City Day GNU C++17 (64) implementation *1000 Jul/06/2021 20:16
564 B - Zero Array GNU C++17 (64) greedy math *1500 Jul/06/2021 18:52
563 A - Important Exam GNU C++17 (64) implementation strings *900 Jul/05/2021 20:13
562 C - Team GNU C++17 (64) constructive algorithms greedy implementation *1400 Jul/04/2021 21:29
561 B - Plus and Multiply GNU C++17 (64) constructive algorithms math number theory *1500 Jul/04/2021 20:25
560 A - Rolling Dice C++ (GCC 9.2.1) AtCoder *100 Jul/04/2021 18:38
559 C - Fair Candy Distribution C++ (GCC 9.2.1) AtCoder *300 Jul/04/2021 17:54
558 B - Factorial Yen Coin C++ (GCC 9.2.1) AtCoder *200 Jul/04/2021 17:42
557 A - Odd Set GNU C++17 (64) math *800 Jul/03/2021 18:44
556 A - Sum of Odd Integers GNU C++17 (64) math *1100 Jul/03/2021 18:07
555 A - Shovels and Swords GNU C++17 (64) binary search greedy math *1100 Jul/03/2021 17:41
554 D - Game With Array GNU C++17 (64) constructive algorithms math *1400 Jul/02/2021 22:26
553 A - Exercising Walk GNU C++17 (64) greedy implementation math *1100 Jul/02/2021 20:14
552 B - Composite Coloring GNU C++17 (64) brute force constructive algorithms greedy math number theory *1400 Jul/02/2021 18:56
551 C - Ball in Berland GNU C++17 (64) combinatorics graphs math *1400 Jul/02/2021 15:21
550 C1 - Good Numbers (easy version) GNU C++17 (64) brute force greedy implementation *1300 Jul/01/2021 18:17
549 B2 - Books Exchange (hard version) GNU C++17 (64) dfs and similar dsu math *1300 Jul/01/2021 16:47
548 B1 - Books Exchange (easy version) GNU C++17 (64) dsu math *1000 Jun/30/2021 18:43
547 C - Perform the Combo GNU C++17 (64) brute force *1300 Jun/29/2021 22:14
546 B - Inflation GNU C++17 (64) binary search brute force greedy math *1300 Jun/29/2021 19:43
545 B - Substring Removal GNU C++17 (64) combinatorics math strings *1300 Jun/29/2021 18:21
544 B - Move and Turn GNU C++17 (64) dp math *1300 Jun/29/2021 15:19
543 B - Box Fitting GNU C++17 (64) binary search bitmasks data structures greedy *1300 Jun/28/2021 22:12
542 B - Most socially-distanced subsequence GNU C++17 (64) greedy two pointers *1300 Jun/28/2021 03:25
541 E - Two Round Dances GNU C++17 (64) combinatorics math *1300 Jun/27/2021 20:09
540 C - Simple Strings GNU C++17 (64) dp greedy strings *1300 Jun/27/2021 02:19
539 B - WOW Factor GNU C++17 (64) dp strings *1300 Jun/27/2021 02:09
538 C - Many Segments C++ (GCC 9.2.1) AtCoder *300 Jun/26/2021 19:21
537 B - Hydrate C++ (GCC 9.2.1) AtCoder *200 Jun/26/2021 17:41
536 A - Repression C++ (GCC 9.2.1) AtCoder *100 Jun/26/2021 17:31
535 D - KAIBUNsyo C++ (GCC 9.2.1) AtCoder *400 Jun/26/2021 16:37
534 B - Pleasant Pairs GNU C++17 (64) brute force implementation math number theory *1200 Jun/26/2021 16:02
533 A - Pretty Permutations GNU C++17 (64) constructive algorithms greedy implementation *800 Jun/25/2021 21:15
532 C - Lose it! GNU C++17 (64) dp greedy implementation *1300 Jun/25/2021 18:23
531 B - Just Eat It! GNU C++17 (64) dp greedy implementation *1300 Jun/25/2021 01:56
530 E - Polygon GNU C++17 (64) dp graphs implementation shortest paths *1300 Jun/24/2021 20:19
529 C - Similar Pairs GNU C++17 (64) constructive algorithms graph matchings greedy sortings *1100 Jun/24/2021 19:24
528 B - Dreamoon and WiFi GNU C++17 (64) bitmasks brute force combinatorics dp math probabilities *1300 Jun/24/2021 16:32
527 C - Product of Three Numbers GNU C++17 (64) greedy math number theory *1300 Jun/24/2021 03:19
526 B - Trouble Sort GNU C++17 (64) constructive algorithms implementation *1300 Jun/23/2021 19:41
525 B - Saving the City GNU C++17 (64) dp greedy math sortings *1300 Jun/23/2021 19:03
524 C1 - Pokémon Army (easy version) GNU C++17 (64) constructive algorithms dp greedy *1300 Jun/22/2021 20:55
523 C - Equalize GNU C++17 (64) dp greedy strings *1300 Jun/22/2021 18:04
522 C - Alternating Subsequence GNU C++17 (64) dp greedy two pointers *1200 Jun/22/2021 16:47
521 C - Canine poetry GNU C++17 (64) dp greedy strings *1300 Jun/21/2021 18:40
520 C - Little Alawn's Puzzle GNU C++17 (64) combinatorics dp dsu graphs math *1300 Jun/21/2021 16:16
519 B - Love Song GNU C++17 (64) dp implementation strings *800 Jun/20/2021 20:28
518 E1 - Erase and Extend (Easy Version) GNU C++17 (64) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers *1600 Jun/20/2021 18:48
517 C - Challenging Cliffs GNU C++17 (64) constructive algorithms greedy implementation math *1200 Jun/20/2021 17:20
516 A - Sign Flipping GNU C++17 (64) constructive algorithms math *1100 Jun/19/2021 22:12
515 C - Swappable C++ (GCC 9.2.1) AtCoder *300 Jun/19/2021 18:18
514 B - Savings C++ (GCC 9.2.1) AtCoder *200 Jun/19/2021 17:43
513 A - Maxi-Buying C++ (GCC 9.2.1) AtCoder *100 Jun/19/2021 17:33
512 D - Kth Excluded C++ (GCC 9.2.1) AtCoder *400 Jun/19/2021 15:20
511 B - Bad Boy GNU C++17 (64) constructive algorithms greedy math *900 Jun/18/2021 20:27
510 A - Arithmetic Array GNU C++17 (64) greedy math *800 Jun/18/2021 20:11
509 B - A New Technique GNU C++17 (64) implementation *1100 Jun/18/2021 19:42
508 B - Merge it! GNU C++17 (64) math *1100 Jun/18/2021 04:15
507 C - Two Teams Composing GNU C++17 (64) binary search greedy implementation sortings *1100 Jun/18/2021 03:00
506 E - Bus Video System GNU C++17 (64) combinatorics math *1400 Jun/18/2021 02:18
505 C - Letters GNU C++17 (64) binary search implementation two pointers *1000 Jun/17/2021 20:38
504 B - File Name GNU C++17 (64) greedy strings *800 Jun/17/2021 20:24
503 A - Remove Duplicates GNU C++17 (64) implementation *800 Jun/17/2021 20:17
502 B - Histogram Ugliness GNU C++17 (64) greedy implementation math *1100 Jun/17/2021 16:26
501 A - Colour the Flag GNU C++17 (64) brute force implementation *800 Jun/17/2021 15:21
500 C - Element Extermination GNU C++17 (64) constructive algorithms data structures greedy *1400 Jun/17/2021 04:16
499 C - RationalLee GNU C++17 (64) greedy math sortings two pointers *1400 Jun/16/2021 22:25
498 C - Number Game GNU C++17 (64) games math number theory *1400 Jun/16/2021 17:57
497 C - Rotation Matching GNU C++17 (64) constructive algorithms data structures greedy implementation *1400 Jun/16/2021 15:33
496 B - Subsequence Hate GNU C++17 (64) implementation strings *1400 Jun/16/2021 02:35
495 D - Zero Remainder Array GNU C++17 (64) math sortings two pointers *1400 Jun/15/2021 21:46
494 E - Accidental Victory GNU C++17 (64) binary search data structures greedy *1400 Jun/15/2021 18:24
493 C - Phoenix and Towers GNU C++17 (64) constructive algorithms data structures greedy *1400 Jun/15/2021 17:15
492 A - Strange Birthday Party GNU C++17 (64) binary search dp greedy sortings two pointers *1300 Jun/15/2021 03:55
491 D - Epic Transformation GNU C++17 (64) constructive algorithms data structures greedy *1400 Jun/14/2021 21:29
490 E - Arranging The Sheep GNU C++17 (64) greedy math *1400 Jun/14/2021 19:45
489 B - Phoenix and Beauty GNU C++17 (64) constructive algorithms data structures greedy sortings *1400 Jun/14/2021 02:40
488 B - Books GNU C++17 (64) binary search brute force implementation two pointers *1400 Jun/13/2021 21:55
487 C - POW C++ (GCC 9.2.1) AtCoder *300 Jun/13/2021 17:39
486 B - Permutation Check C++ (GCC 9.2.1) AtCoder *200 Jun/13/2021 17:34
485 A - kcal C++ (GCC 9.2.1) AtCoder *100 Jun/13/2021 17:32
484 B - Towers GNU C++17 (64) brute force constructive algorithms greedy implementation sortings *1400 Jun/13/2021 16:54
483 C - Exams GNU C++17 (64) greedy sortings *1400 Jun/13/2021 03:41
482 B - AND 0, Sum Big GNU C++17 (64) bitmasks combinatorics math *1200 Jun/12/2021 22:08
481 D - Permutation Transformation GNU C++17 (64) dfs and similar divide and conquer implementation *1200 Jun/12/2021 16:24
480 B - Two Buttons GNU C++17 (64) dfs and similar graphs greedy implementation math shortest paths *1400 Jun/12/2021 02:53
479 B - Big Vova GNU C++17 (64) brute force greedy math number theory *1300 Jun/11/2021 20:47
478 A1 - Prefix Flip (Easy Version) GNU C++17 (64) constructive algorithms data structures strings *1300 Jun/11/2021 19:01
477 B - Negative Prefixes GNU C++17 (64) greedy sortings *1300 Jun/11/2021 15:53
476 B - Middle Class GNU C++17 (64) greedy sortings *1100 Jun/11/2021 14:51
475 A - Stone Game GNU C++17 (64) brute force dp greedy *800 Jun/10/2021 23:50
474 B - Friends and Candies GNU C++17 (64) greedy math *800 Jun/10/2021 23:34
473 A - Buying Torches GNU C++17 (64) math *1000 Jun/10/2021 17:45
472 B - Barrels GNU C++17 (64) greedy implementation sortings *800 Jun/10/2021 16:56
471 C - Numbers on Whiteboard GNU C++17 (64) constructive algorithms data structures greedy implementation math *1000 Jun/10/2021 16:44
470 A - A and B and Chess GNU C++17 (64) implementation *900 Jun/09/2021 18:46
469 C - A and B and Team Training GNU C++17 (64) greedy implementation math number theory *1300 Jun/09/2021 18:27
468 A - Equalize Prices Again GNU C++17 (64) math *800 Jun/09/2021 17:18
467 B2 - Social Network (hard version) GNU C++17 (64) data structures implementation *1300 Jun/09/2021 17:05
466 B1 - Social Network (easy version) GNU C++17 (64) implementation *1000 Jun/09/2021 17:04
465 B - Little Pony and Sort by Shift GNU C++17 (64) implementation *1200 Jun/09/2021 16:25
464 B - Array Sharpening GNU C++17 (64) greedy implementation *1300 Jun/09/2021 02:51
463 C - Building Permutation GNU C++17 (64) greedy implementation sortings *1200 Jun/07/2021 22:28
462 B - Nastya and Door GNU C++17 (64) greedy implementation *1300 Jun/07/2021 21:00
461 A - Nastya and Rice GNU C++17 (64) math *900 Jun/07/2021 20:22
460 A - Flipping Game GNU C++17 (64) brute force dp implementation *1200 Jun/07/2021 19:47
459 C - Common Divisors GNU C++17 (64) implementation math *1300 Jun/07/2021 15:52
458 B - Prinzessin der Verurteilung GNU C++17 (64) brute force constructive algorithms strings *1200 Jun/07/2021 15:12
457 A - Omkar and Bad Story GNU C++17 (64) brute force constructive algorithms *800 Jun/06/2021 20:31
456 A - Heating GNU C++17 (64) math *1000 Jun/06/2021 19:38
455 B - Magic Stick GNU C++17 (64) math *1000 Jun/06/2021 18:55
454 A - Sweet Problem GNU C++17 (64) math *1100 Jun/06/2021 18:33
453 A - Sum of Round Numbers GNU C++17 (64) implementation math *800 Jun/05/2021 22:45
452 D - Alice, Bob and Candies GNU C++17 (64) implementation *1300 Jun/05/2021 22:33
451 C - Pluses and Minuses GNU C++17 (64) math *1300 Jun/05/2021 18:21
450 B - Array Reodering GNU C++17 (64) brute force greedy math number theory sortings *900 Jun/04/2021 20:31
449 A - Fair Playoff GNU C++17 (64) brute force implementation *800 Jun/04/2021 20:11
448 B - Complete the Word GNU C++17 (64) greedy two pointers *1300 Jun/04/2021 19:07
447 A - Regular Bracket Sequence GNU C++17 (64) constructive algorithms greedy *1000 Jun/04/2021 18:13
446 A - Broken Keyboard GNU C++17 (64) brute force strings two pointers *1000 Jun/04/2021 18:04
445 A - Single Push GNU C++17 (64) implementation *1000 Jun/04/2021 17:28
444 A - Payment Without Change GNU C++17 (64) math *1000 Jun/04/2021 17:16
443 B - Chat Online GNU C++17 (64) implementation *1300 Jun/04/2021 16:35
442 B - Ternary Sequence GNU C++17 (64) constructive algorithms greedy math *1100 Jun/04/2021 15:27
441 B - Array Cancellation GNU C++17 (64) constructive algorithms implementation *1000 Jun/04/2021 14:09
440 B - Valerii Against Everyone GNU C++17 (64) constructive algorithms data structures greedy sortings *1000 Jun/04/2021 13:39
439 A - Ahahahahahahahaha GNU C++17 (64) constructive algorithms math *1100 May/31/2021 03:26
438 D1 - Sage's Birthday (easy version) GNU C++17 (64) binary search constructive algorithms greedy sortings *1000 May/31/2021 02:48
437 B - Lord of the Values GNU C++17 (64) constructive algorithms *1100 May/30/2021 22:18
436 A - Game of Life GNU C++17 (64) implementation *800 May/30/2021 20:22
435 A - Omkar and Completion GNU C++17 (64) constructive algorithms implementation *800 May/30/2021 18:07
434 B - Omkar and Last Class of Math GNU C++17 (64) greedy math number theory *1300 May/30/2021 17:54
433 B - All the Vowels Please GNU C++17 (64) constructive algorithms math number theory *1100 May/30/2021 16:02
432 B - Divisors of Two Integers GNU C++17 (64) brute force greedy math number theory *1100 May/30/2021 03:36
431 A - Arpa’s hard exam and Mehrdad’s naive cheat GNU C++17 (64) implementation math number theory *1000 May/30/2021 02:58
430 A - Bad Ugly Numbers GNU C++17 (64) constructive algorithms number theory *1000 May/30/2021 02:07
429 B - GCD Compression GNU C++17 (64) constructive algorithms math number theory *1100 May/30/2021 01:46
428 A - Beautiful String GNU C++17 (64) constructive algorithms greedy *1000 May/29/2021 22:56
427 C - Increase and Copy GNU C++17 (64) binary search constructive algorithms math *1100 May/29/2021 22:18
426 B - Max and Mex GNU C++17 (64) math *1100 May/29/2021 21:18
425 B1 - Palindrome Game (easy version) GNU C++17 (64) constructive algorithms games *1200 May/29/2021 20:08
424 C2 - Potions (Hard Version) GNU C++17 (64) data structures greedy *1600 May/29/2021 16:54
423 C1 - Potions (Easy Version) GNU C++17 (64) brute force data structures dp greedy *1500 May/29/2021 16:50
422 B - I Hate 1111 GNU C++17 (64) dp math number theory *1400 May/29/2021 14:54
421 A - Mean Inequality GNU C++17 (64) constructive algorithms sortings *800 May/28/2021 19:49
420 B - Construct the String GNU C++17 (64) constructive algorithms *900 May/28/2021 19:08
419 A - Candies and Two Sisters GNU C++17 (64) math *800 May/28/2021 18:50
418 A - Dragons GNU C++17 (64) greedy sortings *1000 May/28/2021 18:19
417 B - Before an Exam GNU C++17 (64) constructive algorithms greedy *1200 May/28/2021 18:08
416 B - Phone numbers GNU C++17 (64) implementation *1100 May/28/2021 17:23
415 B - Even Array GNU C++17 (64) greedy math *800 May/28/2021 17:09
414 A - Short Substrings GNU C++17 (64) implementation strings *800 May/28/2021 16:49
413 B - Anton and currency you all know GNU C++17 (64) greedy math strings *1300 May/28/2021 15:47
412 C - Mere Array GNU C++17 (64) constructive algorithms math number theory sortings *1300 May/28/2021 15:17
411 C - Woodcutters GNU C++17 (64) dp greedy *1500 May/28/2021 02:51
410 A - Toy Cars GNU C++17 (64) implementation *900 May/28/2021 02:25
409 B - Equidistant String GNU C++17 (64) greedy *1100 May/28/2021 02:12
408 D - Queue GNU C++17 (64) greedy implementation sortings *1300 May/28/2021 01:49
407 B - Morning Jogging GNU C++17 (64) constructive algorithms greedy sortings *1200 May/27/2021 22:07
406 B - Different Divisors GNU C++17 (64) binary search constructive algorithms greedy math number theory *1000 May/27/2021 18:50
405 C2 - k-LCM (hard version) GNU C++17 (64) constructive algorithms math *1600 May/27/2021 17:47
404 B - Chocolates GNU C++17 (64) greedy implementation *1000 May/26/2021 20:55
403 A - Even Substrings GNU C++17 (64) implementation strings *800 May/26/2021 20:18
402 A - Subset Mex GNU C++17 (64) greedy implementation math *900 May/25/2021 20:21
401 B - Sifid and Strange Subsequences GNU C++17 (64) greedy math sortings *1100 May/24/2021 22:08
400 A - Eshag Loves Big Arrays GNU C++17 (64) constructive algorithms greedy math *800 May/24/2021 20:17
399 A - Alarm Clock GNU C++17 (64) math *900 May/24/2021 19:38
398 C - Good Array GNU C++17 (64) *1300 May/24/2021 19:17
397 B - Build a Contest GNU C++17 (64) data structures implementation *1300 May/24/2021 18:09
396 B - Code obfuscation GNU C++17 (64) greedy implementation strings *1100 May/22/2021 21:44
395 C - Table Tennis Game 2 GNU C++17 (64) math *1200 May/22/2021 21:24
394 C - Made Up C++ (GCC 9.2.1) AtCoder *300 May/22/2021 17:44
393 B - 180° C++ (GCC 9.2.1) AtCoder *200 May/22/2021 17:34
392 A - Three Dice C++ (GCC 9.2.1) AtCoder *100 May/22/2021 17:31
391 B - Food on the Plane GNU C++17 (64) implementation math *1200 May/22/2021 15:27
390 A - Lesha and array splitting GNU C++17 (64) constructive algorithms greedy implementation *1200 May/21/2021 22:51
389 A - And Then There Were K GNU C++17 (64) bitmasks *800 May/21/2021 19:22
388 A - Non-zero GNU C++17 (64) implementation math *800 May/19/2021 21:40
387 A - Suits GNU C++17 (64) brute force greedy math *800 May/19/2021 21:19
386 A - Equation GNU C++17 (64) brute force math *800 May/19/2021 21:07
385 A - Collecting Coins GNU C++17 (64) math *800 May/17/2021 22:25
384 A - Changing Volume GNU C++17 (64) math *800 May/17/2021 22:10
383 A - Two Rival Students GNU C++17 (64) greedy math *800 May/17/2021 21:55
382 A - Marketing Scheme GNU C++17 (64) brute force constructive algorithms greedy math *800 May/17/2021 21:45
381 A - Magical Sticks GNU C++17 (64) math *800 May/17/2021 02:37
380 C - Social Distance GNU C++17 (64) constructive algorithms greedy math *1300 May/16/2021 21:24
379 D - Buying Shovels GNU C++17 (64) math number theory *1300 May/16/2021 19:47
378 A - Potion-making GNU C++17 (64) math number theory *800 May/16/2021 17:38
377 B - Permutation Sort GNU C++17 (64) constructive algorithms greedy *900 May/16/2021 17:15
376 D - Anti-Sudoku GNU C++17 (64) constructive algorithms implementation *1300 May/16/2021 02:06
375 A - Add Candies GNU C++17 (64) constructive algorithms math *800 May/15/2021 21:33
374 C - Knapsack GNU C++17 (64) constructive algorithms greedy math sortings *1300 May/15/2021 21:26
373 B - Numbers Box GNU C++17 (64) greedy math *1000 May/15/2021 21:05
372 B - Distances to Zero GNU C++17 (64) constructive algorithms *1200 May/14/2021 22:07
371 B - Months and Years GNU C++17 (64) implementation *1200 May/14/2021 21:39
370 B - Planning The Expedition GNU C++17 (64) binary search brute force implementation *1200 May/14/2021 20:34
369 A - Co-prime Array GNU C++17 (64) greedy implementation math number theory *1200 May/14/2021 15:26
368 B - Alyona and Mex GNU C++17 (64) sortings *1200 May/14/2021 14:58
367 A - Bear and Displayed Friends GNU C++17 (64) implementation *1200 May/14/2021 14:32
366 A - Grandma Laura and Apples GNU C++17 (64) *1200 May/13/2021 22:04
365 B - Print Check GNU C++17 (64) constructive algorithms implementation *1200 May/13/2021 21:05
364 B - Random Teams GNU C++17 (64) combinatorics constructive algorithms greedy math *1300 May/12/2021 22:19
363 B - Pashmak and Flowers GNU C++17 (64) combinatorics implementation sortings *1300 May/12/2021 20:41
362 R - Game GNU C++17 (64) games math *1200 May/11/2021 21:51
361 A - Letters Cyclic Shift GNU C++17 (64) constructive algorithms greedy implementation strings *1200 May/11/2021 21:29
360 B - M-arrays GNU C++17 (64) constructive algorithms greedy math *1200 May/10/2021 23:01
359 B - Chat Order GNU C++17 (64) *special problem binary search constructive algorithms data structures sortings *1200 May/09/2021 20:44
358 B - HDD is Outdated Technology GNU C++17 (64) implementation math *1200 May/09/2021 20:36
357 B - War of the Corporations GNU C++17 (64) constructive algorithms greedy strings *1200 May/09/2021 20:09
356 B - Inventory GNU C++17 (64) greedy math *1200 May/08/2021 22:15
355 B - Beautiful Paintings GNU C++17 (64) greedy sortings *1200 May/08/2021 21:18
354 C - Ringo's Favorite Numbers 2 C++ (GCC 9.2.1) AtCoder *300 May/08/2021 18:37
353 B - 200th ABC-200 C++ (GCC 9.2.1) AtCoder *200 May/08/2021 17:40
352 A - Century C++ (GCC 9.2.1) AtCoder *100 May/08/2021 17:33
351 A - The Monster GNU C++17 (64) brute force math number theory *1200 May/08/2021 16:38
350 A - Restaurant Tables GNU C++17 (64) implementation *1200 May/08/2021 16:17
349 B - Maximum of Maximums of Minimums GNU C++17 (64) greedy *1200 May/08/2021 16:00
348 B - Nastia and a Good Array GNU C++17 (64) constructive algorithms math number theory *1300 May/08/2021 14:44
347 B - Maxim Buys an Apartment GNU C++17 (64) constructive algorithms math *1200 May/08/2021 04:42
346 A - Nastia and Nearly Good Numbers GNU C++17 (64) constructive algorithms math number theory *1000 May/07/2021 20:34
345 B - Wrath GNU C++17 (64) greedy implementation two pointers *1200 May/07/2021 19:49
344 B - The Modcrab GNU C++17 (64) greedy implementation *1200 May/07/2021 19:23
343 B - Tea Queue GNU C++17 (64) implementation *1200 May/07/2021 18:48
342 A - Login Verification GNU C++17 (64) *special problem strings *1200 May/07/2021 16:39
341 B - Coloring a Tree GNU C++17 (64) dfs and similar dsu greedy *1200 May/07/2021 15:15
340 C - Boxes Packing GNU C++17 (64) greedy *1200 May/07/2021 01:58
339 C - Berland Regional GNU C++17 (64) brute force data structures greedy number theory sortings *1400 May/06/2021 22:17
338 B - Sort the Array GNU C++17 (64) implementation sortings *1300 May/06/2021 20:14
337 B - T-primes GNU C++17 (64) binary search implementation math number theory *1300 May/06/2021 18:39
336 C - Registration System GNU C++17 (64) data structures hashing implementation *1300 May/06/2021 18:08
335 A - IQ test GNU C++17 (64) brute force *1300 May/06/2021 17:23
334 B - Table Tennis GNU C++17 (64) data structures implementation *1200 May/06/2021 04:25
333 D - Same Differences GNU C++17 (64) data structures hashing math *1200 May/06/2021 03:25
332 B - Ordinary Numbers GNU C++17 (64) brute force math number theory *800 May/05/2021 21:16
331 C - Not Adjacent Matrix GNU C++17 (64) constructive algorithms *1000 May/05/2021 21:04
330 A - Do Not Be Distracted! GNU C++17 (64) brute force implementation *800 May/05/2021 20:10
329 B - Two Cakes GNU C++17 (64) binary search brute force implementation *1200 May/05/2021 19:29
328 A - Friends Meeting GNU C++17 (64) brute force greedy implementation math *800 May/05/2021 18:16
327 B - World Cup GNU C++17 (64) constructive algorithms implementation *1200 May/05/2021 16:54
326 C1 - Encryption (easy) GNU C++17 (64) brute force *1200 May/05/2021 15:57
325 A - Points on the line GNU C++17 brute force greedy sortings *1200 May/05/2021 14:51
324 B - Conan and Agasa play a Card Game GNU C++17 games greedy implementation *1200 May/05/2021 14:29
323 B - A Prosperous Lot GNU C++17 constructive algorithms implementation *1200 May/05/2021 03:58
322 B - Mahmoud and Ehab and the message GNU C++17 dsu greedy implementation *1200 May/05/2021 03:35
321 B - A Tide of Riverscape GNU C++17 constructive algorithms strings *1200 May/05/2021 02:40
320 B - Micro-World GNU C++17 greedy sortings *1200 May/05/2021 02:17
319 B - Switches and Lamps GNU C++17 implementation *1200 May/05/2021 01:53
318 A - Row GNU C++17 brute force constructive algorithms *1200 May/04/2021 22:43
317 A - Check the string GNU C++17 implementation *1200 May/04/2021 22:09
316 B - Minimal Cost GNU C++17 brute force math *1200 May/04/2021 20:59
315 A - Omkar and Password GNU C++17 greedy math *800 May/04/2021 16:47
314 A - Suborrays GNU C++17 constructive algorithms math *800 May/04/2021 16:28
313 A - LCM Problem GNU C++17 constructive algorithms greedy math number theory *800 May/04/2021 16:09
312 A - Captain Flint and Crew Recruitment GNU C++17 brute force greedy math number theory *800 May/04/2021 15:58
311 A - Three Pairwise Maximums GNU C++17 math *800 May/04/2021 14:41
310 A - Avoiding Zero GNU C++17 math sortings *900 May/04/2021 14:19
309 A - Box is Pull GNU C++17 math *800 May/04/2021 13:58
308 B - Balanced Array GNU C++17 constructive algorithms math *800 May/04/2021 04:16
307 A - Number of Apartments GNU C++17 brute force constructive algorithms math *900 May/04/2021 03:45
306 A - Replacing Elements GNU C++17 greedy implementation math sortings *800 May/04/2021 02:41
305 A - GCD Sum GNU C++17 brute force math *800 May/04/2021 02:32
304 B - Multiply by 2, divide by 6 GNU C++17 math *900 May/03/2021 22:39
303 A - Required Remainder GNU C++17 math *800 May/03/2021 22:26
302 C - Move Brackets GNU C++17 greedy strings *1000 May/03/2021 21:12
301 A - Cards for Friends GNU C++17 greedy math *800 May/03/2021 20:04
300 B - Phoenix and Puzzle GNU C++17 brute force geometry math number theory *1000 May/03/2021 19:15
299 A - Phoenix and Gold GNU C++17 constructive algorithms greedy math *800 May/03/2021 18:30
298 B - Neighbor Grid GNU C++17 constructive algorithms greedy *1200 May/02/2021 22:43
297 B - Johnny and His Hobbies GNU C++17 bitmasks brute force *1200 May/02/2021 19:41
296 B - Snow Walking Robot GNU C++17 constructive algorithms greedy implementation *1200 May/02/2021 03:10
295 A - Add Odd or Subtract Even GNU C++17 greedy implementation math *800 May/02/2021 02:01
294 B - WeirdSort GNU C++17 dfs and similar sortings *1200 May/02/2021 01:51
293 B - Equal Rectangles GNU C++17 greedy math *1200 May/01/2021 22:26
292 C - Dominated Subarray GNU C++17 greedy implementation sortings strings two pointers *1200 May/01/2021 20:48
291 B - Interesting Subarray GNU C++17 constructive algorithms greedy math *1200 May/01/2021 19:34
290 D - Minimum Triangulation GNU C++17 dp greedy math *1200 May/01/2021 19:09
289 B - Odd Sum Segments GNU C++17 constructive algorithms math *1200 May/01/2021 18:03
288 B - Make Them Equal GNU C++17 math *1200 Apr/30/2021 22:35
287 B - Cells Not Under Attack GNU C++17 data structures math *1200 Apr/30/2021 22:02
286 B - Filya and Homework GNU C++17 implementation sortings *1200 Apr/30/2021 04:20
285 C - Dishonest Sellers GNU C++17 constructive algorithms greedy sortings *1200 Apr/30/2021 03:34
284 B - The Cake Is a Lie GNU C++17 dp math *800 Apr/29/2021 20:37
283 A - Red and Blue Beans GNU C++17 math *800 Apr/29/2021 20:15
282 A - Dungeon GNU C++17 binary search math *1100 Apr/29/2021 19:53
281 A - Vladik and flights GNU C++17 constructive algorithms greedy implementation *1200 Apr/29/2021 17:58
280 B - Sherlock and his girlfriend GNU C++17 constructive algorithms number theory *1200 Apr/29/2021 16:04
279 C - Frog Jumps GNU C++17 binary search data structures dfs and similar greedy implementation *1100 Apr/28/2021 20:48
278 B - Yet Another Palindrome Problem GNU C++17 brute force strings *1100 Apr/28/2021 20:33
277 A - Yet Another Tetris Problem GNU C++17 implementation number theory *900 Apr/28/2021 20:28
276 A - Codehorses T-shirts GNU C++17 greedy implementation *1200 Apr/28/2021 18:57
275 B - Polycarp's Practice GNU C++17 greedy implementation sortings *1200 Apr/28/2021 18:10
274 B - Chloe and the sequence GNU C++17 binary search bitmasks constructive algorithms implementation *1200 Apr/27/2021 23:08
273 B - Christmas Spruce GNU C++17 implementation trees *1200 Apr/27/2021 21:25
272 C - Alphabetic Removals GNU C++17 implementation *1200 Apr/27/2021 20:54
271 B - Between a and b ... C++ (GCC 9.2.1) AtCoder *200 Apr/27/2021 19:55
270 B - Painting Balls with AtCoDeer C++ (GCC 9.2.1) AtCoder *200 Apr/27/2021 03:48
269 B - Card Game for Three (ABC Edit) C++ (GCC 9.2.1) AtCoder *200 Apr/27/2021 03:11
268 B - Beautiful Strings C++ (GCC 9.2.1) AtCoder *200 Apr/27/2021 02:54
267 B - Unhappy Hacking (ABC Edit) C++ (GCC 9.2.1) AtCoder *200 Apr/27/2021 02:47
266 B - Iroha Loves Strings (ABC Edition) C++ (GCC 9.2.1) AtCoder *200 Apr/27/2021 02:39
265 C - Three Parts of the Array GNU C++17 binary search data structures two pointers *1200 Apr/26/2021 22:27
264 B - Robot's Task GNU C++17 greedy implementation *1200 Apr/26/2021 20:24
263 A - Bear and Elections GNU C++17 greedy implementation *1200 Apr/26/2021 20:08
262 B - Ohana Cleans Up GNU C++17 brute force greedy strings *1200 Apr/24/2021 21:24
261 B - Soldier and Badges GNU C++17 brute force greedy implementation sortings *1200 Apr/24/2021 04:01
260 B - Vanya and Books GNU C++17 implementation math *1200 Apr/24/2021 03:44
259 C - Boats Competition GNU C++17 brute force greedy two pointers *1200 Apr/24/2021 02:49
258 B - Square Filling GNU C++17 constructive algorithms greedy implementation *1200 Apr/24/2021 01:19
257 A - Sum of 2050 GNU C++17 greedy math *800 Apr/24/2021 00:56
256 B - Kuroni and Simple Strings GNU C++17 constructive algorithms greedy strings two pointers *1200 Apr/23/2021 19:41
255 C - Restoring Permutation GNU C++17 greedy *1200 Apr/23/2021 17:54
254 B - Sorted Adjacent Differences GNU C++17 constructive algorithms sortings *1200 Apr/23/2021 03:56
253 C - Yet Another Card Deck GNU C++17 brute force data structures implementation trees *1100 Apr/23/2021 03:26
252 A - Perfectly Imperfect Array GNU C++17 math number theory *800 Apr/23/2021 02:10
251 A - Tit for Tat GNU C++17 greedy *800 Apr/23/2021 01:52
250 B - Preparation for International Women's Day GNU C++17 math number theory *1200 Apr/22/2021 22:43
249 B - Magical Calendar GNU C++17 math *1200 Apr/22/2021 18:01
248 A - XXXXX GNU C++17 brute force data structures number theory two pointers *1200 Apr/21/2021 22:01
247 A - Level Statistics GNU C++17 implementation math *1200 Apr/21/2021 03:21
246 B - Equations of Mathematical Magic GNU C++17 math *1200 Apr/21/2021 02:40
245 B - Taxi drivers and Lyft GNU C++17 implementation sortings *1200 Apr/21/2021 01:36
244 A - Vasya and Book GNU C++17 implementation math *1200 Apr/20/2021 17:15
243 C - Postcard GNU C++17 constructive algorithms implementation *1200 Apr/19/2021 21:52
242 B - Good String GNU C++17 implementation strings *1200 Apr/19/2021 02:30
241 C - Balanced Team GNU C++17 sortings two pointers *1200 Apr/18/2021 22:07
240 C - Birthday GNU C++17 binary search greedy sortings *1200 Apr/18/2021 21:05
239 B - Mike and Children GNU C++17 brute force implementation *1200 Apr/18/2021 18:55
238 D - Corrupted Array GNU C++17 constructive algorithms data structures greedy *1200 Apr/18/2021 16:57
237 B - TMT Document GNU C++17 greedy *1100 Apr/16/2021 21:28
236 A - Average Height GNU C++17 constructive algorithms *800 Apr/16/2021 20:14
235 A - Chewbaсca and Number GNU C++17 greedy implementation *1200 Apr/16/2021 02:12
234 B - GCD Length GNU C++17 constructive algorithms math number theory *1100 Apr/15/2021 21:38
233 A - Review Site GNU C++17 greedy *800 Apr/15/2021 20:29
232 B - Nirvana GNU C++17 brute force math number theory *1200 Apr/12/2021 04:30
231 A - Prefix Sum Primes GNU C++17 constructive algorithms greedy math number theory *1200 Apr/12/2021 03:24
230 B - Game with Telephone Numbers GNU C++17 games greedy implementation *1200 Apr/12/2021 03:05
229 B - Make Them Odd GNU C++17 greedy number theory *1200 Apr/12/2021 01:33
228 B - Collecting Packages GNU C++17 implementation sortings *1200 Apr/11/2021 22:40
227 A - Array and Peaks GNU C++17 constructive algorithms implementation *800 Apr/11/2021 20:30
226 C - K-th Not Divisible by n GNU C++17 binary search math *1200 Apr/11/2021 17:46
225 B - Same Parity Summands GNU C++17 constructive algorithms math *1200 Apr/11/2021 16:05
224 B - Tokitsukaze and Mahjong GNU C++17 brute force implementation *1200 Apr/11/2021 04:32
223 C1 - Exam in BerSU (easy version) GNU C++17 greedy sortings *1200 Apr/11/2021 03:01
222 B - Email from Polycarp GNU C++17 implementation strings *1200 Apr/11/2021 02:33
221 C - A-B Palindrome GNU C++17 constructive algorithms implementation strings *1200 Apr/10/2021 22:37
220 B - Almost Rectangle GNU C++17 implementation *800 Apr/10/2021 20:41
219 A - Spy Detected! GNU C++17 brute force implementation *800 Apr/10/2021 20:09
218 B - Kvass and the Fair Nut GNU C++17 greedy implementation *1200 Apr/10/2021 18:57
217 B - Unnatural Conditions GNU C++17 constructive algorithms math *1200 Apr/10/2021 17:16
216 C - Bracket Subsequence GNU C++17 greedy *1200 Apr/09/2021 21:48
215 B - LCM GNU C++17 math number theory *1200 Apr/09/2021 21:02
214 B - The Bits GNU C++17 implementation math *1200 Apr/09/2021 19:18
213 C - Bad Sequence GNU C++17 data structures greedy *1200 Apr/09/2021 16:44
212 B - AccurateLee GNU C++17 greedy implementation strings *1200 Apr/09/2021 16:07
211 A - Sequence with Digits GNU C++17 brute force implementation math *1200 Apr/08/2021 21:34
210 A - Common Prefixes GNU C++17 constructive algorithms greedy strings *1200 Apr/08/2021 20:27
209 B - Omkar and Infinity Clock GNU C++17 implementation math *800 Apr/08/2021 18:06
208 C - Omkar and Waterslide GNU C++17 greedy implementation *1200 Apr/08/2021 16:09
207 B - Flip the Bits GNU C++17 constructive algorithms greedy implementation math *1200 Apr/07/2021 21:08
206 C - Make It Good GNU C++17 greedy *1200 Apr/07/2021 01:57
205 C - Yet Another Array Restoration GNU C++17 brute force math number theory *1200 Apr/07/2021 01:20
204 C - Ternary XOR GNU C++17 greedy implementation *1200 Apr/04/2021 23:01
203 B - Tanya and Candies GNU C++17 implementation *1200 Apr/04/2021 17:45
202 A - Déjà Vu GNU C++17 constructive algorithms strings *800 Apr/04/2021 15:34
201 C - Doors Breaking and Repairing GNU C++17 games *1200 Apr/03/2021 18:17
200 A - Minimizing the String GNU C++17 greedy strings *1200 Apr/03/2021 17:40
199 B - Divisor Subtraction GNU C++17 implementation math number theory *1200 Apr/03/2021 17:25
198 A - Vasya And Password GNU C++17 greedy implementation strings *1200 Apr/03/2021 15:50
197 C - Book Reading GNU C++17 math *1200 Apr/03/2021 03:42
196 B - Ehab Is an Odd Person GNU C++17 sortings *1200 Apr/03/2021 02:35
195 B - Game with string GNU C++17 data structures implementation math *1200 Apr/03/2021 02:22
194 A - Single Wildcard Pattern Matching GNU C++17 brute force implementation strings *1200 Apr/03/2021 01:54
193 B - Pair of Toys GNU C++17 math *1000 Apr/03/2021 01:40
192 B - Obtaining the String GNU C++17 implementation *1200 Apr/02/2021 18:38
191 B - And GNU C++17 greedy *1200 Apr/02/2021 18:02
190 B - DMCA GNU C++17 *special problem implementation number theory *1600 Apr/01/2021 22:25
189 C - Fibonacci Words GNU C++17 *special problem implementation *1400 Apr/01/2021 21:08
188 A - Is it rated - 2 GNU C++17 *special problem implementation interactive *900 Apr/01/2021 20:44
187 B - Block Adventure GNU C++17 dp greedy *1200 Apr/01/2021 01:52
186 B - Restricted RPS GNU C++17 constructive algorithms dp greedy *1200 Mar/31/2021 04:19
185 B - Lecture Sleep GNU C++17 data structures dp implementation two pointers *1200 Mar/31/2021 03:36
184 B - Petr and a Combination Lock GNU C++17 bitmasks brute force dp *1200 Mar/31/2021 01:57
183 B - Cutting GNU C++17 dp greedy sortings *1200 Mar/31/2021 01:13
182 B - Creating the Contest GNU C++17 dp greedy math *1200 Mar/30/2021 22:03
181 B - Ternary String GNU C++17 binary search dp implementation two pointers *1200 Mar/30/2021 20:14
180 B - Young Explorers GNU C++17 dp greedy sortings *1200 Mar/29/2021 03:08
179 B - New Theatre Square GNU C++17 brute force dp greedy implementation two pointers *1000 Mar/29/2021 02:00
178 B - Nezzar and Lucky Number GNU C++17 brute force dp greedy math *1100 Mar/29/2021 01:17
177 B - Partial Replacement GNU C++17 greedy implementation *1100 Mar/26/2021 17:58
176 A - Strange Table GNU C++17 math *800 Mar/25/2021 22:21
175 C - Double-ended Strings GNU C++17 brute force implementation strings *1000 Mar/25/2021 21:45
174 B - Replace and Keep Sorted GNU C++17 dp implementation math *1200 Mar/25/2021 18:23
173 B - Card Constructions GNU C++17 binary search brute force dp math *1100 Mar/25/2021 15:23
172 A - Subtract or Divide GNU C++17 greedy math *800 Mar/22/2021 17:39
171 A - Prison Break GNU C++17 constructive algorithms *800 Mar/21/2021 18:57
170 B - Binary Removals GNU C++17 brute force dp greedy implementation *1000 Mar/21/2021 16:37
169 C - Doubled C++ (GCC 9.2.1) AtCoder *300 Mar/20/2021 19:03
168 B - Round Down C++ (GCC 9.2.1) AtCoder *200 Mar/20/2021 17:46
167 A - Difference Max C++ (GCC 9.2.1) AtCoder *100 Mar/20/2021 17:33
166 D - Even-Odd Game GNU C++17 dp games greedy sortings *1200 Mar/20/2021 15:45
165 B - Maximum Product GNU C++17 brute force dp greedy implementation sortings *1200 Mar/20/2021 14:34
164 B - Sequential Nim GNU C++17 dp games *1100 Mar/19/2021 22:51
163 B - Perfect Number GNU C++17 binary search brute force dp implementation number theory *1100 Mar/19/2021 19:02
162 B - Photo to Remember GNU C++17 *special problem data structures dp implementation *1100 Mar/19/2021 16:42
161 B - Spotlights GNU C++17 dp implementation *1200 Mar/19/2021 16:12
160 A - Santa Claus and Candies GNU C++17 dp greedy math *1000 Mar/19/2021 14:23
159 A - Domino on Windowsill GNU C++17 combinatorics constructive algorithms math *800 Mar/18/2021 21:15
158 A - Reposts GNU C++17 *special problem dfs and similar dp graphs trees *1200 Mar/18/2021 18:30
157 B - Network Topology GNU C++17 graphs implementation *1200 Mar/18/2021 16:19
156 A - Rook, Bishop and King GNU C++17 graphs math shortest paths *1100 Mar/18/2021 14:59
155 C1 - k-LCM (easy version) GNU C++17 constructive algorithms math *1200 Mar/17/2021 21:44
154 A - Meximization GNU C++17 brute force data structures greedy sortings *800 Mar/17/2021 20:24
153 A - Ice Skating GNU C++17 brute force dfs and similar dsu graphs *1200 Mar/16/2021 23:02
152 B - Simple Molecules GNU C++17 brute force graphs math *1200 Mar/16/2021 20:42
151 B - Students and Shoelaces GNU C++17 brute force dfs and similar graphs implementation *1200 Mar/16/2021 18:20
150 B - Fridge Lockers GNU C++17 graphs implementation *1100 Mar/15/2021 23:04
149 A - King Escape GNU C++17 dfs and similar graphs implementation *1000 Mar/15/2021 21:25
148 B - Badge GNU C++17 brute force dfs and similar graphs *1000 Mar/15/2021 14:38
147 B - Interesting drink GNU C++17 binary search dp implementation *1100 Mar/14/2021 21:54
146 A - Joysticks GNU C++17 dp greedy implementation math *1100 Mar/14/2021 19:39
145 B - BerSU Ball GNU C++17 dfs and similar dp graph matchings greedy sortings two pointers *1200 Mar/13/2021 21:54
144 B - Kuriyama Mirai's Stones GNU C++17 dp implementation sortings *1200 Mar/13/2021 20:15
143 B - Sereja and Suffixes GNU C++17 data structures dp *1100 Mar/13/2021 19:24
142 B - Napoleon Cake GNU C++17 dp implementation sortings *900 Mar/13/2021 15:41
141 A - Alexey and Train GNU C++17 implementation *800 Mar/13/2021 15:13
140 B - Repainting Street GNU C++17 brute force brute force greedy *1100 Mar/13/2021 14:30
139 B - Fence GNU C++17 brute force dp *1100 Mar/11/2021 22:49
138 B - Ilya and Queries GNU C++17 dp implementation *1100 Mar/09/2021 19:48
137 B - Cormen --- The Best Friend Of a Man GNU C++17 dp greedy *1000 Mar/08/2021 23:32
136 B - Red and Blue GNU C++17 dp greedy *1000 Mar/08/2021 22:54
135 C - Vacation C++ (GCC 9.2.1) AtCoder *100 Mar/08/2021 01:36
134 C - Long Jumps GNU C++17 dp graphs *1100 Mar/07/2021 20:00
133 B - Planet Lapituletti GNU C++17 brute force implementation *1300 Mar/06/2021 21:15
132 A - Anti-knapsack GNU C++17 constructive algorithms greedy *800 Mar/06/2021 20:03
131 B - Princesses and Princes GNU C++17 brute force graphs greedy *1200 Mar/06/2021 19:27
130 A - Cut Ribbon GNU C++17 brute force dp *1300 Mar/05/2021 21:37
129 B - Frog 2 C++ (GCC 9.2.1) AtCoder *100 Mar/04/2021 16:40
128 A - Frog 1 C++ (GCC 9.2.1) AtCoder *100 Mar/04/2021 15:50
127 D - Knapsack 1 C++ (GCC 9.2.1) AtCoder *100 Mar/03/2021 22:25
126 C - News Distribution GNU C++17 dfs and similar dsu graphs *1400 Mar/02/2021 21:21
125 C - Rumor GNU C++17 dfs and similar graphs greedy *1300 Mar/02/2021 21:20
124 A - New Year Transportation GNU C++17 dfs and similar graphs implementation *1000 Mar/02/2021 21:19
123 B - Vitamins GNU C++17 bitmasks brute force dp implementation *1200 Feb/27/2021 16:57
122 C - Yet Another Broken Keyboard GNU C++17 combinatorics dp implementation *1200 Feb/27/2021 04:04
121 A - Filling Shapes GNU C++17 dp math *1000 Feb/27/2021 02:19
120 A - Three swimmers GNU C++14 math *800 Feb/24/2021 03:12
119 C - ABBB GNU C++14 brute force data structures greedy strings *1100 Feb/24/2021 01:49
118 B - Reverse Binary Strings GNU C++14 constructive algorithms greedy *1200 Feb/24/2021 01:26
117 B - Card Deck GNU C++14 data structures greedy math *1100 Feb/23/2021 18:43
116 E - Train C++ (GCC 9.2.1) AtCoder *500 Feb/21/2021 20:49
115 B - uNrEaDaBlE sTrInG C++ (GCC 9.2.1) AtCoder *200 Feb/20/2021 19:15
114 C - Kaprekar Number C++ (GCC 9.2.1) AtCoder *300 Feb/20/2021 18:03
113 A - Star C++ (GCC 9.2.1) AtCoder *100 Feb/20/2021 17:34
112 C - Sequence Transformation GNU C++14 greedy implementation *1200 Feb/20/2021 15:59
111 B - Belted Rooms GNU C++14 graphs implementation *1200 Feb/19/2021 19:54
110 A - Maximum Increase GNU C++14 dp greedy implementation *800 Feb/19/2021 15:03
109 B - Fair Division GNU C++14 dp greedy math *800 Feb/19/2021 14:50
108 A - Hit the Lottery GNU C++14 dp greedy *800 Feb/19/2021 14:30
107 A - Shifting Stacks GNU C++14 greedy implementation *900 Feb/18/2021 20:18
106 A - Searching Local Minimum GNU C++14 binary search interactive ternary search *1700 Feb/18/2021 19:52
105 B - Worms GNU C++14 binary search implementation *1200 Feb/17/2021 20:17
104 B - Vanya and Lanterns GNU C++14 binary search implementation math sortings *1200 Feb/17/2021 18:55
103 C - Sum of Cubes GNU C++14 binary search brute force brute force math *1100 Feb/17/2021 01:54
102 B - Balanced Remainders GNU C++14 brute force constructive algorithms math *1000 Feb/17/2021 01:32
101 A - Dense Array GNU C++14 greedy math *800 Feb/17/2021 00:59
100 D - Districts Connection GNU C++14 constructive algorithms dfs and similar *1200 Feb/16/2021 18:48
99 A - Arena GNU C++14 implementation sortings *800 Feb/16/2021 17:32
98 B - Cat Cycle GNU C++14 math number theory *1200 Feb/16/2021 16:24
97 C - Less or Equal GNU C++14 sortings *1200 Feb/13/2021 20:58
96 A - Pashmak and Garden GNU C++14 implementation *1200 Feb/13/2021 20:27
95 A - Odd Selection GNU C++14 brute force implementation math *1200 Feb/13/2021 18:27
94 A - Cheap Travel GNU C++14 implementation *1200 Feb/13/2021 16:33
93 A - Add and Divide GNU C++17 brute force greedy math number theory *1000 Feb/12/2021 22:49
92 A - Nezzar and Colorful Balls GNU C++17 brute force greedy *800 Feb/09/2021 20:28
91 B - The Great Hero GNU C++17 greedy implementation sortings *900 Feb/08/2021 01:55
90 A - Yet Another String Game GNU C++17 games greedy strings *800 Feb/07/2021 20:11
89 D - Hachi C++ (GCC 9.2.1) AtCoder *400 Feb/07/2021 19:20
88 A - Vanishing Pitch C++ (GCC 9.2.1) AtCoder *100 Feb/06/2021 18:18
87 B - Remove It C++ (GCC 9.2.1) AtCoder *200 Feb/06/2021 17:43
86 B - New Colony GNU C++17 brute force greedy implementation *1100 Feb/05/2021 21:52
85 A - Space Navigation GNU C++17 greedy strings *800 Feb/05/2021 20:16
84 B - Magic 3 C++ (GCC 9.2.1) AtCoder *200 Jan/30/2021 17:40
83 A - Very Very Primitive Game C++ (GCC 9.2.1) AtCoder *100 Jan/30/2021 17:34
82 A - K-divisible Sum GNU C++17 binary search constructive algorithms greedy math *1000 Jan/29/2021 21:35
81 E - Advertising Agency GNU C++17 combinatorics math sortings *1600 Jan/27/2021 16:19
80 B - New Year's Number GNU C++17 brute force dp math *900 Jan/25/2021 21:26
79 A - Odd Divisor GNU C++17 math number theory *900 Jan/25/2021 20:43
78 C - Mandarin Orange C++ (GCC 9.2.1) AtCoder *300 Jan/23/2021 19:50
77 B - Alcoholic C++ (GCC 9.2.1) AtCoder *200 Jan/23/2021 19:25
76 A - Slot C++ (GCC 9.2.1) AtCoder *100 Jan/23/2021 17:32
75 C - Dijkstra? GNU C++17 graphs shortest paths *1900 Jan/21/2021 15:38
74 A - Puzzle From the Future GNU C++17 greedy *800 Jan/19/2021 20:28
73 A - Initial Bet GNU C++17 implementation *1100 Jan/17/2021 21:40
72 B - Minimum Product GNU C++17 brute force greedy math *1100 Jan/17/2021 21:22
71 A - Laptops GNU C++17 sortings *1100 Jan/16/2021 16:54
70 B - A and B and Compilation Errors GNU C++17 data structures implementation sortings *1100 Jan/16/2021 15:48
69 B - Taxi GNU C++17 *special problem greedy implementation *1100 Jan/16/2021 03:54
68 B - Strange List GNU C++17 brute force greedy implementation math *1100 Jan/15/2021 22:09
67 A - Strange Partition GNU C++17 greedy math number theory *900 Jan/15/2021 01:31
66 C - Unique Number GNU C++14 brute force greedy math *900 Jan/09/2021 18:14
65 A - Wizard of Orz GNU C++14 constructive algorithms greedy math *900 Jan/09/2021 03:21
64 A - Bovine Dilemma GNU C++14 brute force geometry math *800 Dec/31/2020 17:10
63 A - Almost Prime GNU C++14 number theory *900 Dec/26/2020 16:18
62 B - Fair Numbers GNU C++14 brute force math number theory *1000 Dec/20/2020 21:17
61 A - In-game Chat GNU C++14 implementation strings *800 Dec/20/2020 20:43
60 A - Red-Blue Shuffle GNU C++14 math probabilities *800 Dec/19/2020 16:02
59 B - Find The Array GNU C++14 bitmasks constructive algorithms greedy *1400 Dec/18/2020 17:36
58 B - Sum of Medians GNU C++14 greedy math *900 Dec/17/2020 19:42
57 B - Last Year's Substring GNU C++14 dp implementation strings *800 Dec/16/2020 21:09
56 B - Jumps GNU C++14 constructive algorithms math *1200 Dec/16/2020 20:42
55 A - Cancel the Trains GNU C++14 implementation *800 Dec/16/2020 19:14
54 B - Suffix Operations GNU C++14 constructive algorithms implementation *1400 Dec/16/2020 19:06
53 A - Favorite Sequence GNU C++14 implementation two pointers *800 Dec/15/2020 20:37
52 A - Avoid Trygub GNU C++14 constructive algorithms sortings *800 Dec/07/2020 23:15
51 A - Robot Program GNU C++14 math *800 Dec/01/2020 22:14
50 C - Ping-pong GNU C++14 constructive algorithms games math *1100 Nov/30/2020 22:00
49 A - Strange Functions GNU C++14 math number theory *800 Nov/30/2020 20:26
48 C - Two Brackets GNU C++14 greedy *800 Nov/19/2020 22:16
47 A - Buy the String GNU C++14 implementation math *800 Nov/17/2020 20:45
46 B - Elimination GNU C++14 greedy math *900 Nov/16/2020 01:24
45 A - Array Rearrangment GNU C++14 greedy sortings *800 Nov/12/2020 20:57
44 A - Kids Seating GNU C++14 constructive algorithms math *800 Nov/03/2020 14:13
43 B - Prime Square GNU C++14 constructive algorithms math *900 Oct/31/2020 17:58
42 A - Reorder GNU C++14 math *800 Oct/30/2020 03:35
41 A - Puzzles GNU C++14 greedy *900 Oct/23/2020 22:17
40 A - Game With Sticks GNU C++14 implementation *900 Oct/23/2020 21:16
39 A - Dubstep GNU C++14 strings *900 Oct/23/2020 20:40
38 C - Dominant Piranha GNU C++14 constructive algorithms greedy *900 Oct/21/2020 15:56
37 B - Yet Another Bookshelf GNU C++14 greedy implementation *800 Oct/20/2020 20:48
36 A - Boring Apartments GNU C++14 implementation math *800 Oct/20/2020 20:21
35 A - Yet Another Two Integers Problem GNU C++14 greedy math *800 Oct/15/2020 20:46
34 A - Gravity Flip GNU C++14 greedy implementation sortings *900 Oct/15/2020 13:16
33 A - Kefa and First Steps GNU C++14 brute force dp implementation *900 Oct/14/2020 14:36
32 A - HQ9+ GNU C++14 implementation *900 Oct/14/2020 14:11
31 A - Twins GNU C++14 greedy sortings *900 Oct/14/2020 14:01
30 A - Football GNU C++14 implementation strings *900 Oct/14/2020 12:29
29 A - I_love_%username% GNU C++14 brute force *800 Oct/14/2020 03:31
28 A - Array with Odd Sum GNU C++14 math *800 Oct/14/2020 02:08
27 A - Again Twenty Five! GNU C++14 number theory *800 Oct/13/2020 22:22
26 A - Vanya and Fence GNU C++14 implementation *800 Oct/13/2020 22:17
25 A - Presents GNU C++14 implementation *800 Oct/13/2020 21:51
24 A - Anton and Danik GNU C++14 implementation strings *800 Oct/13/2020 21:32
23 A - Translation GNU C++14 implementation strings *800 Oct/13/2020 21:09
22 B - Symmetric Matrix GNU C++14 implementation *900 Oct/13/2020 20:53
21 A - Floor Number GNU C++14 implementation math *800 Oct/06/2020 02:13
20 C - Perfect Team GNU C++14 binary search math *1200 Sep/24/2020 17:29
19 A - Remove Smallest GNU C++14 greedy sortings *800 Sep/17/2020 00:53
18 A - Bear and Big Brother GNU C++14 implementation *800 Sep/17/2020 00:19
17 A - Nearly Lucky Number GNU C++14 implementation *800 Sep/17/2020 00:09
16 A - Soldier and Bananas GNU C++14 brute force implementation math *800 Sep/16/2020 23:41
15 A - Boy or Girl GNU C++14 brute force implementation strings *800 Sep/16/2020 23:27
14 A - Word MS C++ 2017 implementation strings *800 Aug/27/2020 03:54
13 A - Stones on the Table MS C++ 2017 implementation *800 Aug/25/2020 20:23
12 A - Petya and Strings MS C++ 2017 implementation strings *800 Aug/25/2020 19:53
11 A - Helpful Maths MS C++ 2017 greedy implementation sortings strings *800 Aug/25/2020 19:27
10 A - Next Round MS C++ 2017 *special problem implementation *800 Aug/25/2020 18:39
9 A - Team MS C++ 2017 brute force greedy *800 Aug/25/2020 18:07
8 A - Wrong Subtraction MS C++ 2017 implementation *800 Jul/07/2020 22:39
7 A - Calculating Function MS C++ 2017 implementation math *800 Jul/07/2020 22:09
6 A - Tram MS C++ 2017 implementation *800 Jul/04/2020 12:57
5 A - Word Capitalization MS C++ 2017 implementation strings *800 Jul/04/2020 12:51
4 A - Even Odds MS C++ 2017 math *900 Jul/04/2020 12:45
3 A - Elephant MS C++ 2017 math *800 Jul/03/2020 14:18
2 A - Way Too Long Words MS C++ 2017 strings *800 Jul/03/2020 13:32
1 A - Watermelon MS C++ 2017 brute force math *800 Jul/03/2020 13:22

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