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题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5441 Travel Time Limit: 1500/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Sub 阅读全文
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题目链接:http://codeforces.com/problemset/problem/589/F A gourmet came into the banquet hall, where the cooks suggested n dishes for guests. The gourmet k 阅读全文
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题目链接:http://codeforces.com/problemset/problem/589/D Welcoming autumn evening is the best for walking along the boulevard and n people decided to do so 阅读全文
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题目链接:http://codeforces.com/problemset/problem/589/A Polycarp has quite recently learned about email aliases. Of course, he used to suspect that the ca 阅读全文