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Bridging signalsTime Limit: 5000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3080    Accepted Submission(s): 1945Problem Description'Oh no, t

Flip GameTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 46519 Accepted: 19915DescriptionFlip game is played on a rectangular 4x4 field wi

Find The MultipleTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 33882 Accepted: 14173 Special JudgeDescriptionGiven a positive in

食物链Description动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。 现有N个动物，以1－N编号。每个动物都是A,B,C中的一种，但是我们并不知道它到底是哪一种。 有人用两种说法对这N个动物所构成的食物链关系进行描述： 第一种说法是"1 X Y"，表示X和Y是同类。 第二种说法是"2 X Y"，表示X

Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple trees. Each ant colony needs its own apple tree to feed itself.Bill has a map with coordinates of n ant

Last year a terrible earthquake attacked Sichuan province. About 300,000 PLA soldiers attended the rescue, also ALPCs. Our mission is to solve difficulty problems to optimization the assignment of tro