How to Swap Two Numbers Without Using Any Third Variable in C Programming

In this program, we will explain how to swap two numbers without using any third variable using c programming language.

How to Swap Two Numbers Without Using Any Third Variable in C Programming

We have designed this program for beginners for learning purpose. Copy below c program and execute it with c compiler to see the output of the program.

#include <stdio.h>
int main()
{
  int x = 10, y = 20;
 
  x = x + y;  // x now becomes 30
  y = x - y;  // y becomes 10
  x = x - y;  // x becomes 20
 
  printf("After Swapping: x = %d, y = %d", x, y);
 
  return 0;
}

#include <stdio.h>

int main()

{

int x = 10, y = 20;

x = x + y; // x now becomes 30

y = x - y; // y becomes 10

x = x - y; // x becomes 20

printf("After Swapping: x = %d, y = %d", x, y);

return 0;

}

After Swapping: x = 20, y = 10

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How to Swap Two Numbers Without Using Any Third Variable in C Programming

How to Swap Two Numbers Without Using Any Third Variable in C Programming

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