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题目链接: "POJ 1860" Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular cu 阅读全文
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题目链接: "HDU 5183" Problem Description When given an array $(a_0,a_1,a_2,⋯a_{n−1})$ and an integer $K$, you are expected to judge whether there is a pai 阅读全文
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题目链接: "POJ 2287" Description Here is a famous story in Chinese history. That was about 2300 years ago. General Tian Ji was a high official in the coun 阅读全文
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题目链接: "HDU 1028" Problem Description "Well, it seems the first problem is too easy. I will let you know how foolish you are later." feng5166 says. "Th 阅读全文
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题目链接: "HDU 2899" Problem Description Now, here is a fuction: F(x) = 6x^7+8x^6+7x^3+5x^2 yx (0 Can you find the minimum value when x is between 0 and 1 阅读全文