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Cheapest Palindrome Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 7869 Accepted: 3816 Description Keeping track of all the cows can be a 阅读全文
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FatMouse and Cheese Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7516 Accepted Submission(s): 阅读全文
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Function Run Fun Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 17843 Accepted: 9112 Description We all love recursion! Don't we? Consider 阅读全文
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题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1133 题意:排队买50块一张的票,初始票台没有零钱可找,有m个人持有50元,n人持有100元,每人编号各不相同。问有多少种排队方案? 题解: 当 m<n时,肯定方案数是0. 当m>=n时,将队伍看成一个 阅读全文
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Computer Transformation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7210 Accepted Submission( 阅读全文
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How Many Trees? Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3382 Accepted Submission(s): 1960 阅读全文