2412. 交易前所需的最少资金
Hard | Array, Greedy, Sorting
Array
2416. 字符串的前缀分数之和
Hard | Array, String, Trie, Counting
2418. 按身高排序
Easy | Array, Hash Table, String, Sorting
2419. 最大按位与的最长子数组
Medium | Array, Bit Manipulation, Brainteaser
2420. 找到所有好下标
Medium | Array, Dynamic Programming, Prefix Sum
2421. 好路径的数目
Hard | Array, Hash Table, Tree, Union-Find, Graph Theory, Sorting
2425. 所有数对按位异或后的按位异或
Medium | Array, Bit Manipulation, Brainteaser
2426. 满足不等式的数对数目
Hard | Array, Binary Search, Divide and Conquer, Binary Indexed Tree, Segment Tree, Merge Sort, Ordered Set
2428. 沙漏的最大总和
Medium | Array, Matrix, Prefix Sum
2432. 完成最长任务的员工
Easy | Array