3692. 多数频率字符
Easy | Hash Table, String, Counting
Counting
3712. 频率能被 K 整除的元素之和
Easy | Array, Hash Table, Counting
3713. 最长平衡子字符串 I
Medium | Hash Table, String, Counting, Enumeration
3715. 完全平方祖先节点的和
Hard | Array, Hash Table, Math, Tree, Depth-First Search, Counting, Number Theory
3720. 字典序最小的大于目标的排列
Medium | Hash Table, String, Greedy, Counting, Enumeration
3737. 统计具有主要元素的子数组数量 I
Medium | Array, Hash Table, Divide and Conquer, Segment Tree, Merge Sort, Counting, Prefix Sum
3746. 均衡移除后的最小字符串长度
Medium | String, Stack, Counting
3785. 避免禁止值的最小交换次数
Hard | Array, Hash Table, Greedy, Counting
3805. 计算凯撒密码对数
Medium | Array, Hash Table, Math, String, Counting
3839. 前缀连接组的数量
Medium | Array, Hash Table, String, Counting
3843. 第一个频率唯一的元素
Medium | Array, Hash Table, Counting
3848. 检查数字阶乘排列
Medium | Math, Counting
3852. 频率不同的最小数对
Easy | Array, Hash Table, Counting
3859. 含有 K 个不同整数的子数组计数
Hard | Array, Hash Table, Sliding Window, Counting
3866. 第一个唯一偶数元素
Easy | Array, Hash Table, Counting
3868. 使用交换使数组相等的最小代价
Medium | Array, Hash Table, Greedy, Counting
3889. 镜像频率距离
Medium | Hash Table, String, Counting
3890. 具有两个立方和的多重表示的整数
Medium | Hash Table, Sorting, Counting, Enumeration
2981. 找出至少出现三次的最长特殊子字符串 I
Medium | Hash Table, String, Binary Search, Sliding Window, Counting
2982. 找出出现至少三次的最长特殊子字符串 II
Medium | Hash Table, String, Binary Search, Sliding Window, Counting