3614. 使用特殊操作处理字符串 II
Hard | String, Simulation
String
3615. 图中最长回文路径
Hard | String, Dynamic Programming, Bit Manipulation, Graph Theory, Bitmask
3628. 插入一个字符后的最大子序列数量
Medium | String, Dynamic Programming, Greedy, Prefix Sum
3664. 双字母卡牌游戏
Medium | Array, Hash Table, String, Counting, Enumeration
3666. 使二进制字符串相等的最少操作数
Hard | Math, String, Breadth-First Search, Union-Find, Ordered Set
3675. 最少操作次数使字符串变为全'a'
Medium | String, Greedy
3692. 多数频率字符
Easy | Hash Table, String, Counting
3694. 删除子串后可达的不同点数
Medium | Hash Table, String, Sliding Window, Prefix Sum
3703. 移除K平衡子串
Medium | String, Stack, Simulation
3707. 相等分数子串
Easy | String, Prefix Sum