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E. Bear and Contribution 题目连接: http://www.codeforces.com/contest/658/problem/E Description Codeforces is a wonderful platform and one its feature show 阅读全文
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D. Bear and Polynomials 题目连接: http://www.codeforces.com/contest/658/problem/D Description Limak is a little polar bear. He doesn't have many toys and 阅读全文
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C. Bear and Forgotten Tree 3 题目连接: http://www.codeforces.com/contest/658/problem/C Description A tree is a connected undirected graph consisting of n 阅读全文
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B. Bear and Displayed Friends 题目连接: http://www.codeforces.com/contest/658/problem/B Description Limak is a little polar bear. He loves connecting with 阅读全文
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A. Bear and Reverse Radewoosh 题目连接: http://www.codeforces.com/contest/658/problem/A Description Limak and Radewoosh are going to compete against each 阅读全文