3604. 有向图中到达目标的最少时间
Medium | Graph Theory, Heap (Priority Queue), Shortest Path
Medium
3607. 电网维护
Medium | Array, Hash Table, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory, Heap (Priority Queue), Ordered Set
3608. K个连通分量的最小时间
Medium | Binary Search, Union-Find, Graph Theory, Sorting
3612. 使用特殊操作处理字符串 I
Medium | String, Simulation
3613. 最小化最大组件成本
Medium | Binary Search, Union-Find, Graph Theory, Sorting
3618. 按质数索引分割数组
Medium | Array, Math, Number Theory
3619. 统计总价值能被 K 整除的岛屿数量
Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix
3623. 计算梯形数量 I
Medium | Array, Hash Table, Math, Geometry
3627. 长度为3的子序列的最大中位数和
Medium | Array, Math, Greedy, Sorting, Game Theory
3628. 插入一个字符后的最大子序列数量
Medium | String, Dynamic Programming, Greedy, Prefix Sum