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<【阅读全文】