Answer Posted / srinija jilugu

#include<stdio.h>
void main()
{
int a,b,c,d;
printf("enter values\n");
scanf("%d %d %d %d",&a,&b,&c,&d);
printf("before swapping\n");
printf("%d %d %d %d",a,b,c,d);
a=(a+b);
b=(a-b);
a=(a-b);
c=(c+d);
d=(c-d);
c=(c-d);
printf("after swapping:%d %d %d %d",&a,&b,&c,&d);
}

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