题解都在代码中

LeetCode-practice

DP:

139,1277,221,72(word distance 经典dp 值得拥有)

256,265(建议好好做这两个)

518,70（2个题一起做）

Traversal a tree:

144,145,94,107,105,106

BinarySearch:

528

DFS+Tire

212

UnionFind (练习题 https://ojeveryday.github.io/AlgoWiki/#/UnionFind/06-practices)

547

卷积方法解决的问题：

835

SQL题

1194

Name		Name	Last commit message	Last commit date
1029. Two City Scheduling.py		1029. Two City Scheduling.py
1041. Robot Bounded In Circle.py		1041. Robot Bounded In Circle.py
105. Construct Binary Tree from Preorder and Inorder Traversal.py		105. Construct Binary Tree from Preorder and Inorder Traversal.py
106. Construct Binary Tree from Inorder and Postorder Traversal.py		106. Construct Binary Tree from Inorder and Postorder Traversal.py
107. Binary Tree Level Order Traversal II.py		107. Binary Tree Level Order Traversal II.py
1194. Tournament Winners.py		1194. Tournament Winners.py
1277. Count Square Submatrices with All Ones.py		1277. Count Square Submatrices with All Ones.py
129. Sum Root to Leaf Numbers.py		129. Sum Root to Leaf Numbers.py
130. Surrounded Regions.py		130. Surrounded Regions.py
134. Gas Station.py		134. Gas Station.py
139. Word Break.py		139. Word Break.py
1437. Check If All 1's Are at Least Length K Places Away.py		1437. Check If All 1's Are at Least Length K Places Away.py
144 Binary Tree Preorder Traversal.py		144 Binary Tree Preorder Traversal.py
145. Binary Tree Postorder Traversal.py		145. Binary Tree Postorder Traversal.py
152. Maximum Product Subarray .py		152. Maximum Product Subarray .py
165. Compare Version Numbers .py		165. Compare Version Numbers .py
191. Number of 1 Bits.py		191. Number of 1 Bits.py
207. Course Schedule.py		207. Course Schedule.py
212. Word Search II.py		212. Word Search II.py
213. House Robber II.py		213. House Robber II.py
220. Contains Duplicate III.py		220. Contains Duplicate III.py
221. Maximal Square.py		221. Maximal Square.py
222. Count Complete Tree Nodes.py		222. Count Complete Tree Nodes.py
230. Kth Smallest Element in a BST.py		230. Kth Smallest Element in a BST.py
231. Power of Two.py		231. Power of Two.py
256. Paint House.py		256. Paint House.py
287. Find the Duplicate Number.py		287. Find the Duplicate Number.py
300. Longest Increasing Subsequence.py		300. Longest Increasing Subsequence.py
349. Intersection of Two Arrays.py		349. Intersection of Two Arrays.py
380. Insert Delete GetRandom O(1) .py		380. Insert Delete GetRandom O(1) .py
392. 判断子序列.py		392. 判断子序列.py
40. Combination Sum II.py		40. Combination Sum II.py
406. Queue Reconstruction by Height.py		406. Queue Reconstruction by Height.py
450. Delete Node in a BST.py		450. Delete Node in a BST.py
451. Sort Characters By Frequency .py		451. Sort Characters By Frequency .py
459. Repeated Substring Pattern.py		459. Repeated Substring Pattern.py
463. Island Perimeter.py		463. Island Perimeter.py
490. The Maze.py		490. The Maze.py
518. Coin Change 2.py		518. Coin Change 2.py
525. Contiguous Array.py		525. Contiguous Array.py
528. Random Pick with Weight.py		528. Random Pick with Weight.py
547. Friend Circles.py		547. Friend Circles.py
66. Plus One .py		66. Plus One .py
72. Edit Distance.py		72. Edit Distance.py
763. Partition Labels.py		763. Partition Labels.py
835. Image Overlap.py		835. Image Overlap.py
886. Possible Bipartition.py		886. Possible Bipartition.py
94. Binary Tree Inorder Traversal.py		94. Binary Tree Inorder Traversal.py
949. Largest Time for Given Digits .py		949. Largest Time for Given Digits .py
README.md		README.md

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