背水一战，备战狗脸

11/23/2017
Design TinyUrl(几种方法), typeahead
Tree(pre/in/post traversal (递归非递归), BT to DLL(circular), serialize/deserialize BT(String/LinkedList，to LinkedList脸家好像特别喜欢问), LCA, depth, level order, vertical order, path)
另外刷了十来道脸家tag的题

11/24/2017
Design messenger, twitter
FB 几道hard(刷起来还是有点费劲...) ＋others，还是面之前把tag刷完吧，狗家的tag不可能都写了
skyline, LRU, Decode ways I/II, expression add operators, merge k sorted lists (heap/merge sort), LCS, interval

11/25/2017
FB tag, ~15

11/26/2017
FB tag
(LCA with deepest nodes, sparse matrix, one edit distance, regex/wildcard matching, workBreak i, ii, iii, reverse node k groups, alien dict)
狗家面经几题

11/27/2017
随意看了点系统设计
浏览了50道脸书题
和战友讨论了10来道狗家题

11/28/2017
Graph(DFS, Union find(with path compression and union by rank))
System design overall topics

11/29, 11/30
Something urgent
就过了几道FB题，哎，都是泪

谢谢LZ分享，加油！！

LZ, 你FB约的啥时候上门？

楼主加油！棒棒的！