摘要：
eclipse没问题，leetcode 1不能通过，超出int最大值了，但是怎么转无符号？/*Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known a... 阅读全文
posted @ 2015-06-03 23:56 cKK 阅读(155) 评论(0) 推荐(0) 编辑
摘要：
/*Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight).For example, the 32-bit... 阅读全文
posted @ 2015-06-03 22:13 cKK 阅读(130) 评论(0) 推荐(0) 编辑
摘要：
主意利用asc码 /*Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA 阅读全文
posted @ 2015-06-03 21:45 cKK 阅读(188) 评论(0) 推荐(0) 编辑
摘要：
/*Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integ... 阅读全文
posted @ 2015-06-03 21:11 cKK 阅读(229) 评论(0) 推荐(0) 编辑