两个数组的交集 II[https://leetcode.cn/problems/intersection-of-two-arrays-ii/]

字符串中的第一个唯一字符[https://leetcode.cn/problems/first-unique-character-in-a-st...

递增的三元子序列[https://leetcode.cn/problems/increasing-triplet-subsequence/]

最长递增子序列[https://leetcode.cn/problems/longest-increasing-subsequence/]

学生分数的最小差值[https://leetcode.cn/problems/minimum-difference-between-highes...

考试的最大困扰度[https://leetcode.cn/problems/maximize-the-confusion-of-an-exam/]

字母异位词分组[https://leetcode.cn/problems/group-anagrams/]

单词规律[https://leetcode.cn/problems/word-pattern/]

分割等和子集[https://leetcode.cn/problems/partition-equal-subset-sum/]