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题目链接: E. Connecting Universities time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output time li 阅读全文
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题目链接: D. As Fast As Possible time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit p 阅读全文
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题目链接: C. They Are Everywhere time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit 阅读全文
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题目链接: B. Cells Not Under Attack 题意: n*n的棋盘,现在放m个棋子,放一个棋子这一行和这一列就不会under attack了,每次放棋子回答有多少点还可能under attack; 思路:对行和列标记; AC代码: 阅读全文
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题目链接: A. Cards 题意: 问两个数的和相同,怎么组合; AC代码: 阅读全文