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题目： http://codeforces.com/contest/1011/problem/D This is an interactive problem. Natasha is going to fly to Mars. Finally, Natasha sat in the rocket. 阅读全文
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题目 http://codeforces.com/contest/1011/problem/C Natasha is going to fly on a rocket to Mars and return to Earth. Also, on the way to Mars, she will la 阅读全文
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HDU 1711 Number Sequence（KMP模板题） http://acm.hdu.edu.cn/showproblem.php?pid=1711 HDU 2222 Keywords Search（AC自动机模板题） http://acm.hdu.edu.cn/showproblem.p 阅读全文