3527. 寻找最常见的回复
Medium | Array, Hash Table, String, Counting
Counting
3541. 查找最频繁的元音和辅音
Easy | Hash Table, String, Counting
3545. 最多 K 个不同字符的最少删除次数
Easy | Hash Table, String, Greedy, Sorting, Counting
3583. 统计特殊三元组
Medium | Array, Hash Table, Counting
3591. 检查是否有元素的频率为质数
Easy | Array, Hash Table, Math, Counting, Number Theory
3636. 阈值多数查询
Hard | Array, Hash Table, Binary Search, Divide and Conquer, Counting, Prefix Sum
3659. 将数组分割成K个不同元素的组
Medium | Array, Hash Table, Counting
3663. 找到出现频率最少的数字
Easy | Array, Hash Table, Math, Counting
3664. 双字母卡牌游戏
Medium | Array, Hash Table, String, Counting, Enumeration
3679. 平衡库存的最少丢弃次数
Medium | Array, Hash Table, Sliding Window, Simulation, Counting