俩娃大妈在职刷题

490. The Maze
BFS, Time O(mn), Space O(mn).
Runtime: 5 ms, faster than 82.24% of Java online submissions for The Maze.
Memory Usage: 46.8 MB, less than 13.88% of Java online submissions for The Maze.

补充内容 (2019-4-26 10:59):
505. The Maze II
BFS, Time O(mn*Max(m, n)), Space O(mn*Max(m,n)).
Runtime: 7 ms, faster than 99.46% of Java online submissions for The Maze II.
Memory Usage: 46.4 MB, less than 25.99% of Java online submissions for The Maze II.

补充内容 (2019-4-26 11:00):
Easy 101 + medium 4

973. K Closest Points to Origin
Time O(nlogn), Space O(n).
Runtime: 11 ms, faster than 85.21% of Java online submissions for K Closest Points to Origin.
Memory Usage: 63.3 MB, less than 22.33% of Java online submissions for K Closest Points to Origin.

补充内容 (2019-4-27 10:38):
Easy 101, medium 5.

763. Partition Labels
Greedy, Time O(n), Space O(n).
Runtime: 3 ms, faster than 95.85% of Java online submissions for Partition Labels.
Memory Usage: 37 MB, less than 85.91% of Java online submissions for Partition Labels.

补充内容 (2019-4-28 10:15):
Easy 101, medium 6. 就这样吧！明天赶deadline。

亚麻第一关：1. 货车送货，类似two sum，限定选择的俩货物体积比货车体积小30，居然磨了很久，没全通过，哭！2. 前两天做的迷宫题。还是要继续磨刀！

同是俩娃大妈，求加，一起喜刷刷

5. Longest Palindromic Substring
4种方法。最快的是expand Center法，Time O(n^2), Space(2n - 1). Runtime: 6 ms, faster than 94.37% of Java online submissions for Longest Palindromic Substring.
Memory Usage: 37.5 MB, less than 90.56% of Java online submissions for Longest Palindromic Substring.

补充内容 (2019-5-4 10:29):
休息4天了，重新启程！

补充内容 (2019-5-4 10:30):
Easy 101+ medium 7

今天晚上11点多才闲下来，看一下Zigzag，太难了，明天再做吧！

过来给你加油

6. ZigZag Conversion
Iterate each character of s, put into numRows of StringBuilder List, then concatenate each list element into a String. Time O(n), Space O(n). Runtime: 7 ms, faster than 81.59% of Java online submissions for ZigZag Conversion.
Memory Usage: 39.4 MB, less than 85.17% of Java online submissions for ZigZag Conversion.

补充内容 (2019-5-7 11:09):
8. String to Integer (atoi)
终于把atoi写出来了！Time O(n) & Space O(n). Runtime: 1 ms, faster than 100.00% of Java online submissions for String to Integer (atoi).
Memory Usage: 37.6 MB, less than 23.37% of Java online submissions for String to Integer (atoi).

补充内容 (2019-5-7 11:09):
Easy 101, medium 9

11. Container With Most Water
Two-pointers, Time O(n), Space O(1).
Runtime: 2 ms, faster than 97.50% of Java online submissions for Container With Most Water.
Memory Usage: 39 MB, less than 92.57% of Java online submissions for Container With Most Water.

补充内容 (2019-5-8 11:03):
12. Integer to Roman
Time O(log n), n is the number. Space O(1).
Runtime: 3 ms, faster than 100.00% of Java online submissions for Integer to Roman.
Memory Usage: 35.3 MB, less than 100.00% of Java online submissions for Integer to Roman.

补充内容 (2019-5-8 11:04):
Easy 101, medium 11.