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题目链接: https://vjudge.net/problem/ZOJ-1456 These are N cities in Spring country. Between each pair of cities there may be one transportation track or n 阅读全文
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题目链接: https://vjudge.net/problem/POJ-3268 One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party 阅读全文
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题目链接: https://cn.vjudge.net/problem/POJ-3037 Bessie and the rest of Farmer John's cows are taking a trip this winter to go skiing. One day Bessie find 阅读全文
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题目链接: https://cn.vjudge.net/problem/POJ-1724 N cities named with numbers 1 ... N are connected with one-way roads. Each road has two parameters associ 阅读全文
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题目链接: https://cn.vjudge.net/problem/POJ-1860 Several currency exchange points are working in our city. Let us suppose that each point specializes in t 阅读全文
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题目链接:https://cn.vjudge.net/problem/HDU-1079 题目: Adam and Eve enter this year’s ACM International Collegiate Programming Contest. Last night, they play 阅读全文
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题目链接: https://cn.vjudge.net/problem/HDU-3613 After an uphill battle, General Li won a great victory. Now the head of state decide to reward him with h 阅读全文
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题目链接: https://cn.vjudge.net/problem/HDU-3613 After an uphill battle, General Li won a great victory. Now the head of state decide to reward him with h 阅读全文
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题目链接: https://cn.vjudge.net/problem/POJ-1730 题目描述: We say that x is a perfect square if, for some integer b, x = b 2. Similarly, x is a perfect cube i 阅读全文