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E. The Last Fight Between Human and AI 题目连接: http://codeforces.com/contest/676/problem/E Description 100 years have passed since the last victory of t 阅读全文
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D. Theseus and labyrinth 题目连接: http://www.codeforces.com/contest/676/problem/D Description Theseus has just arrived to Crete to fight Minotaur. He fou 阅读全文
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C. Vasya and String 题目连接: http://www.codeforces.com/contest/676/problem/C Description High school student Vasya got a string of length n as a birthday 阅读全文
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B. Pyramid of Glasses 题目连接: http://www.codeforces.com/contest/676/problem/B Description Mary has just graduated from one well known University and is 阅读全文
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A. Nicholas and Permutation 题目连接: http://www.codeforces.com/contest/676/problem/A Description Nicholas has an array a that contains n distinct integer 阅读全文