2365. 任务调度 II
Medium | Array, Hash Table, Simulation
Hash Table
2367. 算术三元组的数目
Easy | Array, Hash Table, Two Pointers, Enumeration
2368. 有限制的可达节点数
Medium | Array, Hash Table, Tree, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory
2370. 最长理想子序列
Medium | Hash Table, String, Dynamic Programming
2374. 具有最高边分数的节点
Medium | Hash Table, Graph Theory
2384. 最大回文数字
Medium | Hash Table, String, Greedy, Counting
2385. 二叉树感染需要的时间
Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Tree
2395. 寻找和相等的子数组
Easy | Array, Hash Table
2399. 检查相同字母间的距离
Easy | Array, Hash Table, String
2402. 会议室 III
Hard | Array, Hash Table, Sorting, Heap (Priority Queue), Simulation
2404. 最频繁的偶数元素
Easy | Array, Hash Table, Counting
2405. 字符串的最优分割
Medium | Hash Table, String, Greedy
2418. 按身高排序
Easy | Array, Hash Table, String, Sorting
2421. 好路径的数目
Hard | Array, Hash Table, Tree, Union-Find, Graph Theory, Sorting
2423. 删除字母以均衡频次
Easy | Hash Table, String, Counting
2424. 最长上传前缀
Medium | Hash Table, Binary Search, Union-Find, Design, Binary Indexed Tree, Segment Tree, Heap (Priority Queue), Ordered Set
2434. 使用机器人打印字典序最小的字符串
Medium | Hash Table, String, Stack, Greedy
2441. 存在正负值的最大正整数
Easy | Array, Hash Table, Two Pointers, Sorting
2442. 反转操作后的不同整数数目
Medium | Array, Hash Table, Math, Counting
2451. 奇怪的字符串差值
Easy | Array, Hash Table, String