新鸟问题之002:char,signed char,unsigned char
#include <iostream>
int main()
{
int d;
std::cin>>d;
char a=d;
signed char b=d;
unsigned char c=d;
std::cout<<"a="<<a<<std::endl
<<"b="<<b<<std::endl
<<"c="<<c<<std::endl;
return 0;
}
输了很多次,abc的结果都一样,难道三种类型没区别吗,如果有区别,char默认是signed还是unsigned ?(用的是VS2005)