C program to swap two numbers without using temporary variable

#include <stdio.h>

void main()

{

int a,b,temp;

printf("Enter the values of a and b\n");

scanf("%d%d",&a,&b);

a=a-b;

b=a+b;

a=b-a;

printf("After Swapping a=%d\n",a);

printf("After Swapping b=%d\n",b);

}

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