https://instant.1point3acres.com/thread/223995
- [x] validate pangram
- [x] validate toepliz matrix
- [x] design apis, similar to merge interval and read bytes
- [x] find all duplicate subtree in a tree https://careercup.com/question?id=5678975020957696
- [ ] dfs
https://instant.1point3acres.com/thread/232431
https://instant.1point3acres.com/thread/223575
- [x] string contains a-z, follow up, lc 340
- [ ] course schedule, topological sorting vs bfs
- [x] lc 31, next permutation
- [x] lc 96, but, not BST, BT
https://instant.1point3acres.com/thread/218653
[ ] calculator
[ ] count and say
[ ] similar binary tree
[ ] inorder traversal
[ ] project that most proud of
https://instant.1point3acres.com/thread/212871
- [ ] binary tree local minimum
- [ ] merge k sorted list
- [ ] implement table
- [ ] an int[] array, remove all products
- [ ] ood, documents
- [ ] linked list, delete kth element
- [ ] implement api
- [ ] jason parser
- [ ] lexicographically smallest subsequence of length k
- [ ] file replacement
https://instant.1point3acres.com/thread/217226
https://instant.1point3acres.com/thread/207488
https://instant.1point3acres.com/thread/214746
https://instant.1point3acres.com/thread/207488
https://instant.1point3acres.com/thread/212733
https://instant.1point3acres.com/thread/190369
https://instant.1point3acres.com/thread/203511
https://instant.1point3acres.com/thread/203515
https://instant.1point3acres.com/thread/203860
https://instant.1point3acres.com/thread/203511
https://instant.1point3acres.com/thread/218653
https://instant.1point3acres.com/thread/203381
https://instant.1point3acres.com/thread/199225
2016-1 youtube http://www.1point3acres.com/bbs/forum.php?mod=viewthread&tid=161903&highlight=Youtube
2016-11 youtube http://www.1point3acres.com/bbs/thread-214053-1-1.html
2016-11 Youtube http://www.1point3acres.com/bbs/forum.php?mod=viewthread&tid=213111&highlight=Youtube
[ ] minimum area
[ ] 珠宝游戏
[ ] lc 394 decode string
[ ] 密码
2016 youtube http://www.1point3acres.com/bbs/forum.php?mod=viewthread&tid=224645&highlight=Youtube
2016-12 youtube http://www.1point3acres.com/bbs/forum.php?mod=viewthread&tid=215076&highlight=Youtube
[ ] minimum area
[x] find components in doubly linked list https://www.careercup.com/question?id=18880663
[x] longest consecutive path in binary tree
[x] 317, shortest from all building
[x] lc 379 design phone directory
[x] lc 307 range sum query - mutable