How micro and tools of crime into criminals LiuXingLiang: For example,Celine Bag Sale, yesterday I just went back in Shanghai,Celine Bags, I set off to Shanghai to the airport,Nike Free Run, I said I'll be going to Shanghai,Celine Handbags, and the results have many friends to communicate with me,Ce...【阅读全文】
1,Map的key值是不能重复的,char *比较的是地址,所以认为key值相同,所以你只能插入一个元素若要用char*做key,需要重载操作符 (T1, T2),也就是map的第三个参数,当然你用std::string做key的话,可以不用重载这个操作符。2,char转int:char a = '1';int b = a-'0';cout<<b<<endl;4,使用string时需要命...【阅读全文】