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DescriptionLet S = s1 s2...s2n be a well-formed string of parentheses. S can be encoded in two different ways:q By an integer sequence P = p1 p2...pn ... 阅读全文
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跟小偷那道差不多，水~~~DescriptionSpeakless很早就想出国，现在他已经考完了所有需要的考试，准备了所有要准备的材料，于是，便需要去申请学校了。要申请国外的任何大学，你都要交纳一定的申请费用，这可是很惊人的。Speakless没有多少钱，总共只攒了n万美元。他将在m个学校中选择若干... 阅读全文
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DescriptionThe world financial crisis is quite a subject. Some people are more relaxed while others are quite anxious. John is one of them. He is very... 阅读全文
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DescriptionLike everyone, cows enjoy variety. Their current fancy is new shapes for pastures. The old rectangular shapes are out of favor; new geometr... 阅读全文
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DescriptionGigel has a strange "balance" and he wants to poise it. Actually, the device is different from any other ordinary balance.It orders two arm... 阅读全文
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Farmer John recently bought another bookshelf for the cow library, but the shelf is getting filled up quite quickly, and now the only available space ... 阅读全文
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DescriptionAccounting for Computer Machinists (ACM) has sufferred from the Y2K bug and lost some vital data for preparing annual report for MS Inc.All... 阅读全文
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DescriptionCurrent work in cryptography involves (among other things) large prime numbers and computing powers of numbers among these primes. Work in ... 阅读全文
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DescriptionAssume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a point locating ... 阅读全文
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借用朋友的代码，感觉很正规，链接http://home.cnblogs.com/u/get-an-AC-everyday/DescriptionThe game “The Pilots Brothers: following the stripy elephant” has a quest wher... 阅读全文