摘要: 问题描述: Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example: Given a = 1 and b = 2, return 3. 问题分析: 阅读全文
posted @ 2016-07-07 01:50 DarrenChan陈驰 阅读(735) 评论(0) 推荐(1)