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Description Polycarp has quite recently learned about email aliases. Of course, he used to suspect that the case of the letters doesn't matter in emai 阅读全文
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Description Hooray! Berl II, the king of Berland is making a knight tournament. The king has already sent the message to all knights in the kingdom an 阅读全文
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Description standard input/outputStatements You are given three numbers. Is there a way to replace variables A, B and C with these numbers so the equa 阅读全文
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Description On vacations n pupils decided to go on excursion and gather all together. They need to overcome the path with the length l meters. Each of 阅读全文
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原文地址 ： http://www.cnblogs.com/HarryGuo2012/p/4524041.html 阅读全文