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Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 10075Accepted: 6622DescriptionThe road off the east gate of Peking University used to be deco... 阅读全文
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DescribeTwo soldiers are playing a game. At the beginning first of them chooses a positive integer n and gives it to the second soldier. Then the seco... 阅读全文
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DescribeTwo bored soldiers are playing card war. Their card deck consists of exactly n cards, numbered from 1 to n, all values are different. They div... 阅读全文
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DescribeColonel has n badges. He wants to give one badge to every of his n soldiers. Each badge has a coolness factor, which shows how much it's owner... 阅读全文
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DescripeA soldier wants to buy w bananas in the shop. He has to pay k dollars for the first banana, 2k dollars for the second one and so on (in other ... 阅读全文