提高练习

#include<stdio.h>
int main()
{
 int i;
 long m;
 float f;
 double d;
 printf("sizeof(int)=%d,sizeof(i)=%d,&i=%x\n",sizeof(int),sizeof(i),&i);
 printf("sizeof(long)=%d,sizeof(m)=%d,&m=%x\n",sizeof(long),sizeof(m),&m);
 printf("sizeof(float)=%d,sizeof(f)=%d,%f=%x\n",sizeof(float),sizeof(f),&f);
 printf("sizeof(double)=%d,sizeof(d)=%d,&d=%x\n",sizeof(double),sizeof(d),&d);
}