3005. 统计最大频数的元素数目
Easy | Array, Hash Table, Counting
Counting
3016. 输入单词的最少按键次数 II
Medium | Hash Table, String, Greedy, Sorting, Counting
3035. 操作后的最大回文数
Medium | Array, Hash Table, String, Greedy, Sorting, Counting
3039. 使字符串变空的操作
Medium | Array, Hash Table, Sorting, Counting
3044. 最频繁的质数
Medium | Array, Hash Table, Math, Matrix, Counting, Enumeration, Number Theory
3046. 分割数组
Easy | Array, Hash Table, Counting
3071. 在网格上写字母Y的最小操作数
Medium | Array, Hash Table, Matrix, Counting
3081. 替换字符串中的问号使其值最小
Medium | Hash Table, String, Greedy, Sorting, Heap (Priority Queue), Counting
3084. 统计以给定字符开头和结尾的子字符串数目
Medium | Math, String, Counting
3085. 使字符串 K-特殊的最少删除次数
Medium | Hash Table, String, Greedy, Sorting, Counting
3128. 直角三角形
Medium | Array, Hash Table, Math, Combinatorics, Counting
3137. 使单词变为 K 周期字符串的最少操作次数
Medium | Hash Table, String, Counting
3138. 字母异位词连接的最小长度
Medium | Hash Table, String, Counting
3144. 等频字符子串的最小分割
Medium | Hash Table, String, Dynamic Programming, Counting
3153. 所有数对的数位差之和
Medium | Array, Hash Table, Math, Counting
3184. 构成整天的下标对数目 I
Easy | Array, Hash Table, Counting
3185. 组成整天的配对数目 II
Medium | Array, Hash Table, Counting
3186. 施法造成的最大总伤害
Medium | Array, Hash Table, Two Pointers, Binary Search, Dynamic Programming, Sorting, Counting
2748. 美丽对的数目
Easy | Array, Hash Table, Math, Counting, Number Theory
2833. 距离原点最远的点
Easy | String, Counting