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Girls and Boys Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3260 Accepted Submission(s): 140 阅读全文
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Computer HDU - 2196 A school bought the first computer some time ago(so this computer's id is 1). During the recent years the school bought N-1 new co 阅读全文
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Terrorist’s destroy HDU - 4679 There is a city which is built like a tree.A terrorist wants to destroy the city's roads. But now he is alone, he can o 阅读全文
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Roads in the North POJ - 2631 Building and maintaining roads among communities in the far North is an expensive business. With this in mind, the roads 阅读全文
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Labyrinth POJ - 1383 The northern part of the Pyramid contains a very large and complicated labyrinth. The labyrinth is divided into square blocks, ea 阅读全文
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K-th Number POJ - 2104 You are working for Macrohard company in data structures department. After failing your previous task about key insertion you w 阅读全文