Answer Posted / jisha. k.a

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("Enter two no");
scanf("%d%d",&a,&b);
a=a-b;
b=a+b;
a=b-a;
printf("After chanching no is =\n");
printf("a=%d b=%d",a,b);
getch();
}

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