打卡贴 目标每日四题 时间一个月

在职刷题，目前100题 但是感觉效率很低。建一个打卡贴，希望每天督促自己回来打卡

Day 23 BST
98. Validate Binary Search Tree
108. Convert Sorted Array to Binary Search Tree
109. Convert Sorted List to Binary Search Tree
173. Binary Search Tree Iterator
450. Delete Node in a BST
700. Search in a Binary Search Tree
701. Insert into a Binary Search Tree
235. Lowest Common Ancestor of a Binary Search Tree
129. Sum Root to Leaf Numbers
1038. Binary Search Tree to Greater Sum Tree
291/400

Day 14 Sort:
75. Sort Colors
215. Kth Largest Element in an Array
703. Kth Largest Element in a Stream
230. Kth Smallest Element in a BST
969. Pancake Sorting
164. Maximum Gap
179. Largest Number
347. Top K Frequent Elements
451. Sort Characters By Frequency
274. H-Index
280. Wiggle Sort  
324. Wiggle Sort II

Day 8 Binary Search

153. Find Minimum in Rotated Sorted Array
154. Find Minimum in Rotated Sorted Array II
702. Search in a Sorted Array of Unknown Size

349. Intersection of Two Arrays
350. Intersection of Two Arrays II
Note: using two pointers also ok(nlogn); using set can achieve o(n) with extra space

楼主上班的时候也有在刷吗

kevinfzz 发表于 2019/07/18 13:04:12
楼主上班的时候也有在刷吗

Work from home 的时候可以 平时在公司不敢啊 ...

Day1 DFS

79. Word Search   
208. Implement Trie (Prefix Tree)
212. Word Search II
980. Unique Paths III

Day 2 DP
       
639. Decode Ways II   
361. Bomb Enemy
300. Longest Increasing Subsequence
354. Russian Doll Envelopes  

Day 3 DP

279. Perfect Squares   
131. Palindrome Partitioning   
132. Palindrome Partitioning II   

LintCode:
394. Coins in a Line
395. Coins in a Line II
437. Copy Books

Day 4 Binary Tree

106. Construct Binary Tree from Inorder and Postorder Traversal
889. Construct Binary Tree from Preorder and Postorder Traversal
107. Binary Tree Level Order Traversal II
236. Lowest Common Ancestor of a Binary Tree

Day 5 Reorder input by count

358. Rearrange String k Distance Apart  
621. Task Scheduler
767. Reorganize String
1054. Distant Barcodes

Day 6 KMP

459. Repeated Substring Pattern
686. Repeated String Match
214. Shortest Palindrome

Day 6 Recursion

46. Permutations
47. Permutations II
78. Subsets
90. Subsets II
60. Permutation Sequence