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B. World Tour 题目连接: http://www.codeforces.com/contest/666/problem/B Description A famous sculptor Cicasso goes to a world tour! Well, it is not actual 阅读全文
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MZL's xor 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5344 Description MZL loves xor very much.Now he gets an array A.The length of A is n.He want 阅读全文
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A. Reberland Linguistics 题目连接: http://www.codeforces.com/contest/666/problem/A Description First rate specialists graduate from Berland State Institut 阅读全文