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Description Given any integer 0 <= n <= 10000 not divisible by 2 or 5, some multiple of n is a number which in decimal notation is a sequence of 1's. 阅读全文
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Description Julius Caesar lived in a time of danger and intrigue. The hardest situation Caesar ever faced was keeping himself alive. In order for him 阅读全文
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Description 人称“AC女之杀手”的超级偶像LELE最近忽然玩起了深沉,这可急坏了众多“Cole”(LELE的粉丝,即"可乐"),经过多方打探,某资深Cole终于知道了原因,原来,LELE最近研究起了著名的RPG难题: 有排成一行的n个方格,用红(Red)、粉(Pink)、绿(Green) 阅读全文
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Description Once upon a time in a country far away lived a king and he had a big kingdom. He was a very clever king but he had one weakness -- he coul 阅读全文
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Description To calculate the circumference of a circle seems to be an easy task - provided you know its diameter. But what if you don't? You are given 阅读全文