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2015-2016 ACM-ICPC, NEERC, Northern Subregional Contest D Problem D. Distribution in Metagonia Input file: distribution.in Output file: distribution.o 阅读全文
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Problem Description Give you a sequence of N(N≤100,000) integers : a1,...,an(0<ai≤1000,000,000). There are Q(Q≤100,000) queries. For each query l,r yo 阅读全文
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ACm-ICPC Live Archive 7464 Robots Write a program to collect data from robots. We are given two sets of robots X = {X1, . . . , Xm}, Y = {Y1, . . . , 阅读全文
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POJ 1681 Painter's Problem(高斯消元) Description There is a square wall which is made of n*n small square bricks. Some bricks are white while some bricks 阅读全文
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ACdrea 1217 高斯消元 Description The following problem is somehow related to the final stage of many famous integer factorization algorithms involved in s 阅读全文