program for swapping 2 numbers

               Program for Swapping 2 Numbers

             #include<stdio.h>
             main()
             {
                  int a,b,temp;
                  clrscr();
                  printf("enter a,b values:");
                  scanf("%d%d",&a,&b);
                  temp = a;
                        a = b;
                  b = temp;
                  printf("after swaping a,b values:%d%d",a,b);
                  getch();
             }
           
             output :-

                       enter a,b values : 10 20
                       after swaping a,b values : 20 10