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Cash MachineTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 24213Accepted: 8476DescriptionA Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ b... 阅读全文
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BalanceTime Limit: 1000MSMemory Limit: 30000KTotal Submissions: 9240Accepted: 5670DescriptionGigel has a strange "balance" and he wants to poise it. Actually, the device is different from any other or... 阅读全文
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Crosses and CrossesTime Limit: 3000MSMemory Limit: 65536KTotal Submissions: 2237Accepted: 821Case Time Limit: 2000MSDescriptionThe game of Crosses and Crosses is played on the field of 1 × n cells. Tw... 阅读全文
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A Chess GameTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1123 Accepted Submission(s): 519Problem DescriptionLet's design a new chess game.... 阅读全文
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对于任意一个 Anti-SG 游戏,如果我们规定当局面中所有的单一游戏的 SG 值为 0 时,游戏结束,则先手必胜当且仅当: (1)游戏的 SG 函数不为 0 且游戏中某个单一游戏的 SG 函数大于 1;(2)游戏的 SG 函数为 0 且游戏中没有单一游戏的 SG 函数大于 1。JohnTime Limit: 5000/1000 MS (Java/Others) Memory Limit: ... 阅读全文
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Fibonacci again and againTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3610 Accepted Submission(s): 1491Problem Description任何一个大学生对菲波那契数列(F... 阅读全文
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S-NimTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3514 Accepted Submission(s): 1544Problem DescriptionArthur and his sister Caroll have be... 阅读全文