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Problem Description A group of researchers are designing an experiment to test the IQ of a monkey. They will hang a banana at the roof of a building, 阅读全文
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Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a g 阅读全文
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Description Chosen Problem Solving and Program design as an optional course, you are required to solve all kinds of problems. Here, we get a new probl 阅读全文
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codeforces1084A 没链接.......。 题目： The Fair Nut lives in n story house. ai people live on the i-th floor of the house. Every person uses elevator twice a 阅读全文
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哈密顿绕行世界问题 [HDU2181](http://acm.hdu.edu.cn/showproblem.php?pid=2181) Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)To 阅读全文