Answer Posted / akash

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("enter the value a & b");
scanf("%d%d",&a,&b);
a=a+b;
b=a-b;
a=a-b;
printf("interchange in a & b =%d%d",a,b);
getch();
}

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