LeetCode（自用）

2015.4.17

子集

T78.cpp

https://leetcode.com/problems/subsets/

T90.cpp

https://leetcode.com/problems/subsets-ii/

C++ vector用法

http://developer.51cto.com/art/201002/183645.htm

2015.4.19

C++ string

http://www.cnblogs.com/gnuhpc/archive/2012/12/09/2810127.html

2月29日——直接做就好 

http://hihocoder.com/contest/msbop2015qual/problem/1

回文字符序列 ——DP

http://hihocoder.com/contest/msbop2015qual/problem/2