2531. 使不同字符数量相等
Medium | Hash Table, String, Counting
Counting
2547. 分割数组的最小代价
Hard | Array, Hash Table, Dynamic Programming, Counting
2586. 统计范围内的元音字符串数目
Easy | Array, String, Counting
1347. 制造字母异位词的最小步骤数
Medium | Hash Table, String, Counting
1366. 通过投票对团队排名
Medium | Array, Hash Table, String, Sorting, Counting
1370. 递增递减字符串
Easy | Hash Table, String, Counting
1394. 找到数组中的幸运数
Easy | Array, Hash Table, Counting
1399. 统计最大的组
Easy | Hash Table, Math, Counting
1400. 构造 K 个回文字符串
Medium | Hash Table, String, Greedy, Counting
1419. 青蛙叫声的最少数目
Medium | String, Counting