[LeetCode 49] Group Anagrams [Java]

1. Description Given an array of strings, group anagrams together. Note: All inputs will be in lower-case. 2. Example given: ["eat", "tea", "tan...

[LeetCode 594] Longest Harmonious Subsequence [Java]

1. Description We define a harmonious array is an array where the difference between its maximum value and its minimum value is exactly 1. Now, giv...