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Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in w 阅读全文
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ZOJ 3705 Applications 比较繁琐的模拟题 http://www.cnblogs.com/cumulonimbus/p/5465827.html ZOJ 3706 Break Standard Weight ZOJ 3707 Calculate Prime S ZOJ 3708 D 阅读全文
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There are N little kids sitting in a circle, each of them are carrying some java beans in their hand. Their teacher want to select M kids who seated i 阅读全文
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Very often, especially in programming contests, we treat a sequence of non-whitespace characters as a string. But sometimes, a string may contain whit 阅读全文
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MightyHorse is playing a music game called osu!. After playing for several months, MightyHorse discovered the way of calculating score in osu!: 1. Whi 阅读全文
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Alice lives in the country where people like to make friends. The friendship is bidirectional and if any two person have no less than k friends in com 阅读全文
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The vast power system is the most complicated man-made system and the greatest engineering innovation in the 20th century. The following diagram shows 阅读全文
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Recently, the ACM/ICPC team of Marjar University decided to choose some new members from freshmen to take part in the ACM/ICPC competitions of the nex 阅读全文
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题目链接 这是道比较有意思的模拟题，读懂题意并考虑充分。 阅读全文
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数塔 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 32087 Accepted Submission(s): 19162 Problem De 阅读全文