How to write a program in C for swapping two numbers without the use of the third variable?
#include <stdio.h>
int main()
{
int x, y;
printf(“Input two integers (x & y) to swap\n”);
scanf(“%d%d”, &x, &y);
x = x + y;
y = x – y;
x = x – y;
printf(“x = %d\ny = %d\n”,x,y);
return 0;
}
