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链接:https://www.nowcoder.com/acm/contest/140/G White Cloud placed n containers in sequence on a axes. The i-th container is located at x[i] and there a 阅读全文
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链接:https://www.nowcoder.com/acm/contest/141/E来源:牛客网 Eddy likes to play with string which is a sequence of characters. One day, Eddy has played with a 阅读全文
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链接:https://www.nowcoder.com/acm/contest/141/H来源:牛客网 Eddy has solved lots of problem involving calculating the number of coprime pairs within some rang 阅读全文
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White Rabbit has a rectangular farmland of n*m. In each of the grid there is a kind of plant. The plant in the j-th column of the i-th row belongs the 阅读全文
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题目链接:http://codeforces.com/contest/1004/problem/B B. Sonya and Exhibition time limit per test 1 second memory limit per test 256 megabytes input stand 阅读全文