Write a C program for swapping of two numbers without using third variables?
#include<stdio.h>
#include<conio.h>
void main()
{
int a, b;
printf("Enter two numbers: ");
scanf("%d %d",&a ,&b);
a = a+b;
b = a-b;
a = a-b;
printf("After Swapping: ");
printf("a = %d\t",a);
printf("b = %d",b);
getch();
}
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