Tuesday, April 13, 2021

20.59. Write a program that swaps two numbers.

#include<stdio.h>
#inctude<conio.h>
void swap(int *a, int *b)
{
int temp;
tamp=*a;
*a=*b;
*b=temp;
}
void main ()
{
int a,b;
clrscr();
printf("a=   ") ;
scanf("%d", &a);
printf("b=   ");
scanf("%d", &b);
swap (&a, &b) ;
printf("After swap:  \n");
printf("a=  %d\n", a);
printf("b=  %d\n", b);
getch ();
}

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