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Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Examp 阅读全文
posted @ 2017-03-30 22:19
一片叶子啊
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Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: Example 1: Exa 阅读全文
posted @ 2017-03-30 10:47
一片叶子啊
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Given an integer n, return the number of trailing zeroes in n!.Note: Your solution should be in logarithmic time complexity.Credits:Special thanks to 阅读全文
posted @ 2017-03-30 01:19
一片叶子啊
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学习计算机组成原理的时候学过这个，结果今天看了一道LeetCode的习题，发现自己补码怎么算的都给忘了，罪过罪过，于是乎就搜了相关资料回忆了下，以下这篇文章写得很好，想记录下来方便以后查看。 http://www.cnblogs.com/zhangziqiu/archive/2011/03/30/C 阅读全文
posted @ 2017-03-30 00:40
一片叶子啊
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