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title: Cow Contest 弗洛伊德+传递闭包 nyoj211 tags: [弗洛伊德,传递闭包] 题目链接 描述 N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming co 阅读全文
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" 题目链接 " 描述 zyc从小就比较喜欢玩一些小游戏，其中就包括画一笔画，他想请你帮他写一个程序，判断一个图是否能够用一笔画下来。 规定，所有的边都只能画一次，不能重复画。 <! more 输入 第一行只有一个正整数N(N include include using namespace std; 阅读全文
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" 题目链接 " 描述 An ascending sorted sequence of distinct values is one in which some form of a less than operator is used to order the elements from small 阅读全文
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" 题目链接 " 描述 Many of us had played the game "Battle city" in our childhood, and some people (like me) even often play it on computer now. What we are d 阅读全文