3710. 最大分割因子
Hard | Array, Binary Search, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory
Array
3712. 频率能被 K 整除的元素之和
Easy | Array, Hash Table, Counting
3715. 完全平方祖先节点的和
Hard | Array, Hash Table, Math, Tree, Depth-First Search, Counting, Number Theory
3718. 缺失的最小 K 的倍数
Easy | Array, Hash Table
3719. 最长平衡子数组 I
Medium | Array, Hash Table, Divide and Conquer, Segment Tree, Prefix Sum
3721. 最长平衡子数组 II
Hard | Array, Hash Table, Divide and Conquer, Segment Tree, Prefix Sum
3724. 使数组转换的最少操作次数
Medium | Array, Greedy
3725. 从行中选择互质整数的方案数
Hard | Array, Math, Dynamic Programming, Matrix, Combinatorics, Number Theory
3727. 最大交替平方和
Medium | Array, Greedy, Sorting
3728. 边界和内部和相等的稳定子数组
Medium | Array, Hash Table, Prefix Sum