刷题打卡自我监督

E292NimGame
这么简单

M96Unique Binary Search Trees

E458. Poor Pigs
很难呀
E461HammingDistance
E190ReverseBits


补充内容 (2018-6-23 06:11):
E155. Min Stack
push Min twice

补充内容 (2018-6-23 07:30):
M186ReverseWordsINaStringII

补充内容 (2018-6-23 07:39):
E226InvertBinaryTree
本周任务就快完不成了,刷点easy凑凑数

补充内容 (2018-6-23 07:59):
E238. Product of Array Except Self

补充内容 (2018-6-23 12:41):
M152. Maximum Product Subarray
similar to M714 best time to buy and sell stock with transac fee

补充内容 (2018-6-23 15:33):
E172FactorialTrailingZeroes

E859BuddyString
M856Score Of Parentheses
use stack
M858 Mirror Reflection

罪过罪过，又快要完成不了任务了。继续DP
M486. Predict the Winner

天哪！这几天是肿么了
M650. 2 Keys Keyboard

补充内容 (2018-6-30 07:55):
M718. Maximum Length of Repeated Subarray

补充内容 (2018-6-30 07:56):
M792. Number of Matching Subsequences
只会做LET的了，答案看懂了自己也写不出来啊

补充内容 (2018-6-30 07:58):
M329IsSubsequence
DP都做傻了。 可以用非DP的更快的方法

M583. Delete Operation for Two Strings

H72EditDistance 好像也没有那么难

补充内容 (2018-7-1 16:14):
E860. Lemonade Change
M861. Score After Flipping Matrix

补充内容 (2018-7-1 17:21):
EE235LowestCommonAncestroOfABST

又来赶任务了
E496NextGreaterElementI
M503NextGreaterElementII

补充内容 (2018-7-2 11:23):
M556. Next Greater Element III

补充内容 (2018-7-2 11:48):
E232. Implement Queue using Stacks

补充内容 (2018-7-2 13:12):
E225. Implement Stack using Queues

补充内容 (2018-7-3 01:49):
E739. Daily Temperatures

M94. Binary Tree Inorder Traversal

补充内容 (2018-7-3 02:39):
M144BinaryTreePreOrderTraversal
套路有点不一样。 这preorder和level traversal 用queue来iterate， 套路差不多。 但是inorder和postorder iterate的套路还是有点区别的

补充内容 (2018-7-3 03:57):
H145BinaryTreePostOrderTraversal

补充内容 (2018-7-3 04:18):
M173. Binary Search Tree Iterator

补充内容 (2018-7-3 05:18):
M285. Inorder Successor in BST
姐用iteration写了50行代码! 还是recursion好

补充内容 (2018-7-3 05:18):
其实是我没有用好BST

补充内容 (2018-7-3 06:11):
M341. Flatten Nested List Iterator

补充内容 (2018-7-3 11:07):
E819. Most Common Word

补充内容 (2018-7-3 11:26):
E804. Unique Morse Code Words

补充内容 (2018-7-3 12:01):
E551StudentAttendanceRecordI
more than two continuous 'L' , 语文不好啊。是LLL, 还是***LL***LL**LL