实验2

#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);
}

 

#include<stdio.h>
int main(void)
{
    int x,y;
 
    printf("请输入x的值:");
    scanf("%d",&x);
    y=x*x;
    printf("%d=%d*%d\n",y,x,x);
    printf("%d*%d=%d\n",x,x,y);
 
 
    return 0;
 
}