2858. 最少边反转次数使每个节点都可达
Hard | Dynamic Programming, Depth-First Search, Breadth-First Search, Graph Theory
Breadth-First Search
2101. 引爆最多的炸弹
Medium | Array, Math, Depth-First Search, Breadth-First Search, Graph Theory, Geometry
2192. 有向无环图中一个节点的所有祖先
Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort
2290. 到达角落的最少障碍移除次数
Hard | Array, Breadth-First Search, Graph Theory, Heap (Priority Queue), Matrix, Shortest Path
2316. 统计无向图中无法互相到达的点对数
Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theory
2328. 网格中递增路径的数目
Hard | Array, Dynamic Programming, Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort, Memoization, Matrix
2360. 图中的最长环
Hard | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort
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
2385. 二叉树感染需要的时间
Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Tree
2415. 反转二叉树奇数层
Medium | Tree, Depth-First Search, Breadth-First Search, Binary Tree