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