Facebook Data Engineer 持续准备中。。。Fighting

Welcome yangluphil! You have solved 340/ 448 problems. (manage sessions) +4

224        Basic Calculator                  25.3%        Hard            我的string processing有点弱，用了一个很麻烦的方法，要重做
227        Basic Calculator II                  28.0%        Medium
294        Flip Game II                  45.1%        Medium      基本解非常简单，高级解是天书
390        Elimination Game   37.9%        Medium      一题多解

补充内容 (2016-12-30 07:03):
接下来要放慢一点，每天最多2题，留出时间准备其他事情

补充内容 (2016-12-30 16:01):
Welcome yangluphil! You have solved 341/ 448 problems. (manage sessions) +1

158        Read N Characters Given Read4 II - Call multiple times   24.2%        Hard  好题，也很实用

Welcome boyang4! You have solved 220/ 448 problems. (manage sessions) $26 added by 3

a_$253_noidea_meetingrooms2
tree_$255_code_VerifyPreorderSequence
tree_$270_bug_ClosestBinarySearchTreeValue

Welcome yangluphil! You have solved 343/ 448 problems. (manage sessions) ＋2

309        Best Time to Buy and Sell Stock with Cooldown   39.5%        Medium 用了一个非主流办法，post在这里，求改进。需要用O(n)再做一次

166        Fraction to Recurring Decimal                  16.7%        Medium  注意几个edge case就行

补充内容 (2017-1-1 07:20):
309 已优化至O(n)

Welcome boyang4! You have solved 224/ 448 problems. (manage sessions) $26 added by 4
dp_$256_slow_PaintHouse
designit_$284_code_ZigzagIterator
tree_$285_todo_InorderSuccessorinBST
design_284_PeekingIterator

Welcome yangluphil! You have solved 344/ 448 problems. (manage sessions) +1

291        Word Pattern II                  37.6%        Hard   好题

补充内容 (2017-1-1 10:20):
po了word pattern2的详解在 https://discuss.leetcode.com/top ... d-detailed-comments

Welcome dongning! You have solved 162/ 448 problems. (manage sessions) +2
Combination Sum
Combination Sum II (没用充分利用 dp，不够快，还得改进)

Welcome boyang4! You have solved 229/ 448 problems. (manage sessions) $26 added by 5
dfs_$286_slow_WallsandGates
dfs_$130_slow_SurroundedRegions
dp_$292_rem_NimGame
dp_$293_ok_FlipGame
dp_$294_todo_FlipGame2

Welcome yangluphil! You have solved 346/ 448 problems. (manage sessions) +2

444        Sequence Reconstruction   20.9%        Medium    考bug free的好题
403        Frog Jump                  30.5%        Hard   mock interview时做出，不过上LC内存爆了，稍加修改后AC

补充内容 (2017-1-2 16:22):
Welcome yangluphil! You have solved 347/ 448 problems. (manage sessions) +1

84        Largest Rectangle in Histogram                  25.6%        Hard   不看解法想不到用stack做

Welcome dongning! You have solved 163/ 448 problems. (manage sessions) +1
Maximum Subarray

yangluphil 发表于 2017-1-2 13:51
Welcome yangluphil! You have solved 346/ 448 problems. (manage sessions) +2

444        Sequence Reconstr ...

怎么mock interview的呀