Program for swapping || swap two numbers using third variable in c language.

#include<stdio.h>

#include<conio.h>

void main()

{

 int a,b,temp;

 clrscr();

 printf("enter value of a=");

 scanf("%d",&a);

 printf("enter value of b=");

 scanf("%d",&b);

 printf("before swapping value are= %d\t%d",a,b);

 temp=a;

 a=b;

 b=temp;

 printf("\n after swapping value are= %d\t%d",a,b);

getch();

}

■》Output->

enter value of a=2

enter value of b=7

before swapping value are= 2     7

after swapping  value  are = 7     2