1：ZOJ 3349 Special Subsequence 线段树，DP http://hi.baidu.com/aekdycoin/blog/item/3e43d88a32b01f729e2fb4dc.html
2：hdu3390 DFA上的dp？ http://hi.baidu.com/aekdycoin/blog/item/33c0c000286a8c0f728da52f.html
3：FOJ 1852 Impossible Mission II 状态dp http://hi.baidu.com/aekdycoin/blog/item/103540138908175bf819b806.html
4：PKU 3208 DFA dp 入门 http://hi.baidu.com/aekdycoin/blog/item/25c0a859c95e108b810a184b.html
5：FOJ 1789 DFA dp 入门2 http://hi.baidu.com/aekdycoin/blog/item/25c0a859c95e108b810a184b.html
