1. Variation of 0/1 Knapsack ✔

    Questions 
    1. 0/1 Knapsack Problem (Must do)
    2. Subset Sum (Must do)
    3. Equal Sum partition 
    4. Count of subsets with given difference (Must do)
    5. Minimum Sum partition (Must do)
    6. Count Subsets with given sum 
    7. Target Sum 
    27. Stickler Thief 
    61. Last stone Weight II (Must Do)
    62. Ones and Zeros 
    93. Subset with sum divisible by m
    98. Count of all subsequence having product less than K 
    108. Best Time to Buy and Sell Stock with Transaction Fee (Must do)
    121. Filling Bookcase Shelves 

2. Variation of unbounded Knapsack ✔

   Questions 
     8. Unbounded Knapsack Problem (Must do)
     9. Maximize the cut segments
    10. Rod cutting
    11. Coin Change -1  (Must do)
    12. Coin Change -2 (Must do)
    28. Min operations to N
    37. Count of string that can be formed using a,b,c
    40. Get minimum squares (Must do)
    43. Ways to Sum N (Must do)
    50. Count ways to Express N as the sum of 1,3,4
    60. Perfect Squares 
    81. Combination Sum IV (Must Do)
    104. Interger Break

3. Variation of longest common subsequence ✔

  Questions 
    11. Longest Common subsequence (Must do)
    14. Longest Common Substring (Must do)
    15. Print LCS  (Must do)
    16. Shortest Common Super-sequence (Must do)
    17. Longest Palindrome Subsequence(Must do)
    18. Print SCS (Must do)
    19. Longest Repeating Sub sequence
    20. Form a Palindrome (Must do)
    34. Maximize Dot product
    36. Distinct Occurrences (Must do)
    48. String subsequences
    70. Interleaving String (Must Do)
    86. Wildcard Matching
    88. Longest Arithmetic Progression (Must Do)
    92. Regular Expression Matching (Must Do)
    99. Longest Common Subsequence of 3 strings

4. Variation of Matrix Chain Multiplication

 Questions 
    21. Matrix Chain Multiplication (Must do)
    22. Min Cuts to Palindrome (Must do)
    23. Boolean Parenthesis   (Must do)
    24. Egg dropping  (Must do)
    47. Optimal Game Strategy  (Must do)
    72. Palindrome Partitioning (Must Do)
    75. Predict the Winner
    76. Word Break
    90. Word Break II
    106. Can I win
    109. Scramble String
    110. Remove Boxes (Must Do)
    113. Stone Game 3 (Must Do)
    114. Stone Game 2 (Must do)
    120. Different ways to add parentheses (Must do)
    123. Number of Sets of K non- overlapping line segments(Must do)
    124. Egg Drop With 2 Eggs and N Floors
    125. Burst Balloons (Must do)

5. Variation of Longest increasing subsequence

 Questions 
    25. Longest Increasing Subsequence (Must do)
    26. Maximum Sum increasing Subsequence
    37. Longest Bitonic Subsequence  (Must do)
    39. Maximum Sum Bitonic Subsequence
    41. Longest Subsequence-1
    49. Minimum Insertions to sort an array  (Must do)
    78. Number of Longest Increasing Subsequence (Must Do)
    79. Largest Divisible Subset 
    84. Box Stacking (Must Do)
    85. Max length chain
    109. Arithmetic Slices II - Subsequence (Must Do)
    115. Longest String Chain (Must do)
    116. Maximum Profit in Job Scheduling (Must do)
    118. Binary Trees with Factors (Must do)
    120. Wiggle subsequence (Must do)
    122. Length of Longest Fibonacci Subsequence (Must do)

6. Variation of Fibonacci Series ✔

   Questions 
    30. Count Number of hops  (Must do)
    32. Reach a given score (Must do)
    35. Friends Pairing Problem (Must do)
    54. Count ways to reach Nth stair
    55. Consecutive 1's not allowed

7. Variation of dp on Grids

 Questions 
    29. Count possible Paths  (Must do)
    31. Goldmine Problem (Must do)
    33. Number of unique paths (Must do)
    57. Minimum Path Sum (Must do)
    63. Triangle (Must do)
    64. Maximal Square (Must do)
    65. Dungeon Game (Must do)
    67. Unique Paths (Must do)
    71. Unique Paths 2 
    82. Knight Probability (Must do)
    83. Champagne Tower
    95. Tiling Dominos (Must Do)
    96. Find maximum length Snake sequence (Must Do)
    97. Painting the fence (Must Do)
    103. Domino and Tronimo Tiling (Must do)
    112. Longest Increasing Path in a Matrix

8. Minimum (Maximum) Path to Reach a Target

 Questions 
    56. Min Cost Climbing Stairs
    58. Min Cost for Tickets (Must Do)
    59. 2 keys Keyboard (Must Do)
    66. Minimum Number of refueling stops (Must do)
    107. Video Stiching (Must Do)

9. Distinct Ways ✔

 Questions 
    68. Knight Dialer
    69. Number of Dice Rolls with target Sum

10. Misc

  Questions 
    42. Skip the work  (Must do)
    44. Largest zigzag sequence 
    45. Maximum Product Cutting (Must do)
    51. Minimum number of jumps to reach the end of the array/ Jump Game II (Must Do)
    52. Edit distance (Must do)
    53. Decode Ways (Must do)
    73. Palindromic Substrings 
    74. House Robber
    80. Longest Turbulent Subarray
    87. Maximum Product Subarray (Must Do)
    89. Mobile Numeric Keypad (Must Do)
    91. Count subsequences of type a^i, b^j, c^k (Must Do)
    94. Choice of Area 
    100. Count even length binary sequences with same sum of first and second half bits (Must Do)
    101. Maximum Subsequence sum such that no 3 elements are consecutive
    102. K-Concatenation Maximum Sum (Must do)
    105. Maximum Subarray Sum with One Deletion (Must do)
    110. Delete and Earn    
    117. Super Ugly Numbers (Must do)
    118. Greatest Sum Divisible by Three (Must do)
    119. Count Numbers with unique digits (Must Do)