在职刷题自勉：一旦中断，前功尽弃

Brute-force is not going to work.  

集中有限的时间和精力，通过不断分析总结提高刷题效率。

AC/NoClue/Nonoptimal
Wee1:  44/9/5, Search不够熟练。 多尝试Tree题的非递归算法看是否更优。DP需要经常练。

送给你一个原创三句半，每天朗诵一遍，有奇效：

一天一题，天天退步
一天两题，原地踏步
一天三题，乌龟赛跑

4/6 Day 12; Tree

337        House Robber III
230        Kth Smallest Element in a BST
114        Flatten Binary Tree to Linked List
333        Largest BST Subtree
404        Sum of Left Leaves
513        Find Bottom Left Tree Value
!545        Boundary of Binary Tree
606        Construct String from Binary Tree
617        Merge Two Binary Trees
637        Average of Levels in Binary Tree
!652        Find Duplicate Subtrees
weekly contest
!1024        Video Stitching
1023        Camelcase Matching
1022        Sum of Root To Leaf Binary Numbers
1021        Remove Outermost Parentheses

4/9 Day 15 Graph + Mock

261        Graph Valid Tree
!996        Number of Squareful Arrays New
207        Course Schedule
210        Course Schedule II
802        Find Eventual Safe States
*839        Similar String Groups
399        Evaluate Division
990        Satisfiability of Equality Equations
785        Is Graph Bipartite?
!685        Redundant Connection II
684        Redundant Connection
743        Network Delay Time
959        Regions Cut By Slashes
928        Minimize Malware Spread II
997        Find the Town Judge New

Mock
!282        Expression Add Operators
680        Valid Palindrome II
125        Valid Palindrome

Day 0:  Track of Plans and Achievements

tinlittle 发表于 2019-3-27 11:02
送给你一个原创三句半，每天朗诵一遍，有奇效：

一天一题，天天退步

多谢提点！

Day1:

565. Array Nesting @T（N), S（1）

599. Minimum Index Sum of Two Lists @T(l1+l2）, S(l1*ave_len1)

881. Boats to Save People @T(nlogn),S(1)

883. Projection Area of 3D Shapes @T(m*n)

821. Shortest Distance to a Character @T(n),S(1)

658. Find K Closest Elements@T(nlogn),S(k)

最好持续性的连续刷题

QiLvFindHorse 发表于 2019-3-28 04:42
最好持续性的连续刷题

恩，加油努力中。

3/27 Day2 - Search.DFS

22    Generate Parentheses @T(2^n), S(n)
!301    Remove Invalid Parentheses
*51    N-Queens
*52    N-Queens II
!37    Sudoku Solver
79    Word Search
*212    Word Search II

3/28 Day 3 - Search. BFS

!126    Word Ladder II
127    Word Ladder
752    Open the Lock
!675    Cut Off Trees for Golf Event @40' WA
*542    01 Matrix
93     Restore IP Addresses

是啊，一旦中断就很麻烦