3327. 检查DFS字符串是否为回文
Hard | Array, Hash Table, String, Tree, Depth-First Search, Hash Function
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3330. 找到原始输入字符串 I
Easy | String
3331. 找出变化后的子树大小
Medium | Array, Hash Table, String, Tree, Depth-First Search
3332. 游客能够获得的最大积分
Medium | Array, Dynamic Programming, Matrix
3333. 寻找原始输入字符串 II
Hard | String, Dynamic Programming, Prefix Sum
3334. 找到数组的最大因子分数
Medium | Array, Math, Number Theory
3335. 转换后字符串中的字符总数 I
Medium | Hash Table, Math, String, Dynamic Programming, Counting
3336. 寻找 GCD 相等的子序列对数量
Hard | Array, Math, Dynamic Programming, Number Theory
3337. 字符串变换后的总字符数 II
Hard | Hash Table, Math, String, Dynamic Programming, Counting
3340. 检查平衡字符串
Easy | String