刷题

Anagram: Counter

242. Valid Anagram
567. Permutation in String

SORT: - Merge;  - Partition(2 pointers)
LC 148. Sort List
LC 75. Sort Colors

20200221
这些天有个紧急project，之前划水没学的东西，到时候都会加倍还回来！周五放松一天，又开始准备了！

DP(Memo)  + Subsequence
SUBSEQUENCE: deleted without changing the relative order of the remaining characters

712. Minimum ASCII Delete Sum for Two Strings
583. Delete Operation for Two Strings
1143. Longest Common Subsequence

Hash
136. Single Number
137. Single Number II
260. Single Number III

Easy
412. Fizz Buzz

Counter/ Hash
347. Top K Frequent Elements

Heap
347. Top K Frequent Elements
215. Kth Largest Element in an Array
692. Top K Frequent Words
973. K Closest Points to Origin

Counter/Hash

350. Intersection of Two Arrays II


Easy

118. Pascal's Triangle
202. Happy Number


这几天开始麻木地做事情了～～～ 春假快来吧～～～

今天电面估计跪了，答题没答好，撞枪口了。Behavioral Question跪也太逊了，趁热打铁整理一下这列问题怎么回答。为下一个做准备！

接下来一周准备复习做过的题和相关题～～

Binary Tree Traversal
Level order
103. Binary Tree Zigzag Level Order Traversal
559. Maximum Depth of N-ary Tree
107. Binary Tree Level Order Traversal II

Review+new dfs: Traverse a Tree(DFS)

236. Lowest Common Ancestor of a Binary Tree
235. Lowest Common Ancestor of a Binary Search Tree
100. Same Tree
865. Smallest Subtree with all the Deepest Nodes
993. Cousins in Binary Tree112. Path Sum
113. Path Sum II

Review
DFS+Graph
207. Course Schedule
210. Course Schedule II
Review
DP
139. Word Break
322. Coin Change

983. Minimum Cost For Tickets