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题目： The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region 阅读全文
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题目： Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Example 2: Example 阅读全文
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题目： Given a 32-bit signed integer, reverse digits of an integer. Example 1: Example 2: Example 3: Note:Assume we are dealing with an environment which 阅读全文
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题目： The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four-digit 阅读全文
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题目： Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only the digits 0 and 1. Y 阅读全文
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描述： Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a 阅读全文
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题意： 在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。 Input： 输入含有多组测试数据。每组数据的第一行是两个正整数，n k，用一个空格隔开， 阅读全文