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D. Round Subset Let's call the roundness of the number the number of zeros to which it ends. You have an array of n numbers. You need to choose a subs 阅读全文
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Description 题目描述： 大家知道，给出正整数n，则1到n这n个数可以构成n！种排列，把这些排列按照从小到大的顺序（字典顺序）列出，如n=3时，列出1 2 3，1 3 2，2 1 3，2 3 1，3 1 2，3 2 1六个排列。 任务描述： 给出某个排列，求出这个排列的下k个排列，如果遇到 阅读全文
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排列2 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8893 Accepted Submission(s): 3278 Problem Des 阅读全文
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Ignatius and the Princess II Problem Description Now our hero finds the door to the BEelzebub feng5166. He opens the door and finds feng5166 is about 阅读全文
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A. Text Volume You are given a text of single-space separated words, consisting of small and capital Latin letters. Volume of the word is number of ca 阅读全文
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Python的输入数野生字符串，需要自己转型，常用的转型函数有： strip ：将两端的空白字符去掉，返回str slipt ：将字符串用空白字符分开，返回[str] map:把list里面的值映射到指定类型，返回[type] isspace：是否用空行组成 EOF用来抓异常 输出加','不换行 P 阅读全文
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A. Text Volume You are given a text of single-space separated words, consisting of small and capital Latin letters. Volume of the word is number of ca 阅读全文