long long /unsigned long long 输入

#include
#include
int main()
{
    long long a;
    unsigned long long b;
    scanf("%llu",&b);
    scanf("%lld",&a);
    printf("a是%lld\n",a);
    printf("b是%llu\n",b);
    printf("%d",sizeof(long long));
}

注，VC6里面没有long long