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漫步校园 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3508 Accepted Submission(s): 1066... 阅读全文
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Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be s... 阅读全文
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Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covere... 阅读全文
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Description During the kindergarten days, flymouse was the monitor of his class. Occasionally the head-teacher brought the kids of flymouse’s ... 阅读全文
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Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies a... 阅读全文
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Description Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the... 阅读全文
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Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (... 阅读全文
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Description There is a travel agency in Adelton town on Zanzibar island. It has decided to offer its clients, besides many other attractions, s... 阅读全文
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Description 杭州有N个景区，景区之间有一些双向的路来连接，现在8600想找一条旅游路线，这个路线从A点出发并且最后回到A点，假设经过的路线为V1,V2,....VK,V1,那么必须满足K>2,就是说至除了出发点以外至少要经过2个其他不同的景区，而且不能重复经过同一个景区。现在... 阅读全文
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Description You are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks ... 阅读全文