longest-arithmetic-subsequence-of-given-difference.java

// 1218. 最长定差子序列 - Medium
// https://leetcode-cn.com/problems/longest-arithmetic-subsequence-of-given-difference/
package java;

class LongestArithmeticSubsequenceOfGivenDifference {
    public int longestSubsequence(int[] arr, int difference) {
        
    }
}