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DollarsTime Limit: 3000MSMemory Limit: Unknown64bit IO Format: %lld & %llu Submit Status DescriptionNew Zealand currency consists of $100, $50, $20, $... 阅读全文
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转载地址:http://blog.csdn.net/kangroger/article/details/37742639回文是指正着读和倒着读,结果一些样,比如abcba或abba。题目是要在一个字符串中要到最长的回文子串。1、暴力法最容易想到的就是暴力破解,求出每一个子串,之后判断是不是回文,找到... 阅读全文
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TilingTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 7965Accepted: 3866DescriptionIn how many ways can you tile a 2xn rectangle by 2x1 or 2x... 阅读全文