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链接:https://ac.nowcoder.com/acm/contest/160/B 来源:牛客网 题目描述 给一个含n个点m条边的有向无环图(允许重边,点用1到n的整数表示),每条边上有一个字符,问图上有几条路径满足路径上经过的边上的字符组成的的字符串去掉空格后以大写字母开头,句号 '.' 结 阅读全文
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C. Make a Square time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given a positive in 阅读全文
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D. Merge Equals time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given an array of po 阅读全文
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E. Byteland, Berland and Disputed Cities time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output The 阅读全文