1.C++ 11 Tricks

http://codeforces.com/blog/entry/15643

2.C++ string

http://www.cnblogs.com/xFreedom/archive/2011/05/16/2048037.html

3.manacher + kmp + 扩展kmp + trie树

http://blog.csdn.net/dyx404514/article/category/1367813

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