Post
Ask Question

Swap two variables without using third variable

  1. #include<stdio.h>  
  2.   
  3. void main()  
  4. {  
  5.     int a=5,b=10;  
  6.     a=b+a;  
  7.     b=a-b;  
  8.     a=a-b;  
  9.     printf("a= %d  b=  %d",a,b);  
  10. }