A Program to Swap Fixed Value Without 3rd Variable

In this example, we are giving a program to swap fixed value without using the 3rd variable.

Program to to swap fixed value without the 3rd variable:

  1. #include <stdio.h>
  2. #include <conio.h>
  3. int main() {
  4.   int a = 10, b = 20;
  5.   // code to swap 'a' and 'b'
  6.   a = a + b;     // a now becomes 30
  7.   b = a - b;     // b becomes 10 and getting new value of b
  8.   a = a - b;     // a becomes 20 and getting new value of a
  9.   printf("After swapping: a = %d, b = %d", a, b);
  10.   return 0;
  11. }

Output:

After swapping: a = 20, b = 10

Recommended Posts:

Related Tags: Python Programming Examples, C++ Programming Examples, Java Programming Examples