[LeetCode] questions conclustion_BFS, DFS
2018-07-17 01:37 Johnson_强生仔仔 阅读(536) 评论(0) 编辑 收藏 举报BFS, DFS 的题目总结.
Directed graph:
Directed Graph Loop detection and if not have, path to print all path.
Morris Traversal_ O(1) space to change binary tree to linked list
TODO:
shorted path from start to end in undirected weighted graph (Djastra?)
Union find
BFS/DFS: (可以用BFS或者DFS的,主要还是遍历)
[LeetCode] 733. Flood Fill_Easy tag: BFS 1
[LeetCode] 690. Employee Importance_Easy tag: BFS 1
[LeetCode] 529. Minesweeper_ Medium_ tag: BFS
[LeetCode] 200. Number of Islands_ Medium tag: BFS
[LeetCode] 133. Clone Graph_ Medium tag: BFS, DFS
[LeetCode] 1485. Clone Binary Tree With Random Pointer_ Medium tag: BFS, DFS
[LeetCode] 261. Graph Valid Tree _ Medium tag: BFS
[LeetCode] 301. Remove Invalid Parentheses_Hard tag:BFS
[LeetCode] 104. Maximum Depth of Binary Tree_Easy tag: DFS
[LeetCode] 695. Max Area of Island_Easy tag: DFS/BFS
[LeetCode] 827. Making A Large Island
[LeetCode] 490. The Maze_Medium tag: BFS/DFS
[LeetCode] 130. Surrounded Regions_Medium tag: DFS
BFS(shortest path/distance, level traversal)
- level traversal
- one node to all other nodes in graph
- 图上两点之间最短距离
[Leetcode] 863. All Nodes Distance K in Binary Tree_ Medium tag: BFS, Amazon 1
[LeetCode] 199. Binary Tree Right Side View_ Medium tag: BFS, Amazon
[LeetCode] 102. Binary Tree Level Order Traversal_Medium tag: BFS
[LeetCode] 429. N-ary Tree Level Order Traversal_ Easy
[LeetCode] 127. Word Ladder _Medium tag: BFS
[LeetCode] 675. Cut Off Trees for Golf Event_Hard tag: BFS
[LeetCode] 103. Binary Tree Zigzag Level Order Traversal _ Medium tag: BFS
[LeetCode] 101. Symmetric Tree_ Easy tag: BFS
[LeetCode] 513. Find Bottom Left Tree Value_ Medium tag: BFS
[LeetCode] 286. Walls and Gates_Medium tag: BFS
[LeetCode] 310. Minimum Height Trees_Medium tag: BFS
待整理 --------
2440. Create Components With Same Value
待整理 --------
DFS
[LeetCode] 207 Course Schedule_Medium tag: BFS, DFS 1
[LeetCode] 785. Is Graph Bipartite?_Medium tag: DFS, BFS
[LeetCode] 210. Course Schedule II
[LeetCode] 694. Number of Distinct Islands
[LeetCode] 711. Number of Distinct Islands II_hard tag: DFS
[LeetCode] 851. Loud and Rich_ Medium tag: DFS
[LeetCode] 112. Path Sum_Easy tag: DFS
[LeetCode] 114. Flatten Binary Tree to Linked List_Medium tag: DFS
[LeetCode] 257. Binary Tree Paths_ Easy tag: DFS
[LeetCode] 437. Path Sum III_ Easy tag: DFS
[LeetCode] 124. Binary Tree Maximum Path Sum_ Hard tag: DFS recursive
[LeetCode] 687. Longest Univalue Path_Easy tag: DFS recursive
[LeetCode] 298. Binary Tree Longest Consecutive Sequence_Medium tag: DFS recursive
[LeetCode] 549. Binary Tree Longest Consecutive Sequence II_ Medium tag: DFS recursive
[LeetCode] 721. Accounts Merge_Medium tag: DFS recursive
[LeetCode] 111. Minimum Depth of Binary Tree_Easy tag:DFS
[LeetCode] 110. Balanced Binary Tree_Easy tag: DFS
[LeetCode] 100. Same Tree_Easy tag: DFS
[LeetCode] 99. Recover Binary Search Tree
[LeetCode] 129. Sum Root to Leaf Numbers_Medium tag: DFS
[LeetCode] 559. Maximum Depth of N-ary Tree_Easy tag: DFS
[LeetCode] 98. Validate Binary Search Tree_Medium
[LeetCode] 173. Binary Search Tree Iterator_Medium_tag: Binary Search Tree
[LeetCode] 700. Search in a Binary Search Treer_Easy_tag: Binary Search Tree
[LeetCode] 701. Insert into a Binary Search Tree_Medium_tag: Binary Search Tree
[LeetCode] 79. Word Search_Medium tag: Backtracking, DFS
[Leetcode] 543. Diameter of Binary Tree_Easy Tag: DFS
[LeetCode] 297. Serialize and Deserialize Binary Tree_hard tag: DFS, Divide and Conquer
[LeetCode] 428. Serialize and Deserialize N-ary Tree_hard tag: DFS, Divide and Conquer
[LeetCode] 329. Longest Increasing Path in a Matrix_Hard tag: Dynamic Programming, DFS, Memoization
[LeetCode] 399. Evaluate Division_Medium tag: DFS
[LeetCode] 489. Robot Room Cleaner_Hard tag: DFS, backtracking
[LeetCode] 951. Flip Equivalent Binary Trees_Medium tag: DFS, divide and conquer
[LeetCode] 663. Equal Tree Partition_Medium tag: DFS, divide and conquer
[LeetCode] 54. Spiral Matrix_Medium tag: array, DFS
[LeetCode] 59. Spiral Matrix II_Medium tag: array, DFS
BFS & DFS
[LeetCode] 126. Word Ladder II_Hard tag: BFS&DFS
