1297. 子串的最大出现次数
Medium | Hash Table, String, Sliding Window
Hash Table
1311. 获取你好友观看的视频
Medium | Array, Hash Table, Breadth-First Search, Graph Theory, Sorting
1331. 数组的秩变换
Easy | Array, Hash Table, Sorting
1338. 数组大小减半
Medium | Array, Hash Table, Greedy, Sorting, Heap (Priority Queue)
1345. 跳跃游戏 IV
Hard | Array, Hash Table, Breadth-First Search
1347. 制造字母异位词的最小步骤数
Medium | Hash Table, String, Counting
1348. 推文计数器（按频率统计）
Medium | Hash Table, String, Binary Search, Design, Sorting, Ordered Set
1357. 每 n 个顾客打折
Medium | Array, Hash Table, Design
1358. 包含所有三种字符的子字符串数目
Medium | Hash Table, String, Sliding Window
1365. 有多少个数字比当前数字小
Easy | Array, Hash Table, Sorting, Counting Sort