摘要: ①前置知识: ①:按位取与(&) : 0 & 0 = 0 , 0 & 1 = 0 , 1 & 0 = 0 , 1 & 1 =1. ②:按位取或( | ): 0 | 0 =0 , 0 | 1 =1 , 1 | 0 = 1 , 1 | 1 = 1. ③:按位取异或( ^ ): 0 ^ 1 = 1 , 1 阅读全文
posted @ 2019-08-02 20:30 xqyxqy 阅读(420) 评论(0) 推荐(0) 编辑