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Ball 题目链接： http://acm.hdu.edu.cn/showproblem.php?pid=5821 Description ZZX has a sequence of boxes numbered 1,2,...,n. Each box can contain at most one 阅读全文
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physics 题目链接： http://acm.hdu.edu.cn/showproblem.php?pid=5826 Description There are n balls on a smooth horizontal straight track. The track can be con 阅读全文
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Rikka with Parenthesis II 题目链接： http://acm.hdu.edu.cn/showproblem.php?pid=5831 Description As we know, Rikka is poor at math. Yuta is worrying about t 阅读全文
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Hearthstone 题目链接： http://acm.hdu.edu.cn/showproblem.php?pid=5816 Description Hearthstone is an online collectible card game from Blizzard Entertainmen 阅读全文
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Book Borders 题目链接： http://acm.hust.edu.cn/vjudge/contest/127407 problem/B Description A book is being typeset using a fixed width font and a simple gr 阅读全文