#include <stdio.h>
int main()
{
char c='a'
int n = d; //将c赋值给n
float f = n ; //将c赋值给f
double d = f ; //将c赋值给d
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
}
程序第五第六第七行赋值错误,应该是int n=c; float f=c; double d=c;这样赋值才正确