Answer Posted / romeld

#include<stdio.h>
main()
{
int a,b;
printf("enter the value of a and b\n");
scanf("%d%d",&a,&b);
printf("before swapping\na=%d\nb=%d\n",a,b);
a=a+b;
b=a-b;
a=a-b;
printf("after swapping\na=%d\nb=%d\n",a,b);
getch();
}

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