c-program to swap two numbers without using arithmetic operators

gowrikausalya.blogspot.com

/*c-program to two numbers without using arithmetic operators*/

#include<stdio.h>

#include<conio.h>

int main()

{

    int a,b;

    printf("Enter two numbers :");

    scanf("%d%d",&a,&b);

    printf("Before swapping..\n\n");

    printf("A=%d\nB=%d",a,b);

    a= a ^ b;

    b= a ^ b;

    a= a ^ b;

    printf("\n\nAfter swapping ...\n");

    printf("A=%d\nB=%d",a,b);

    getch();

}

Output:-

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(1).swap using two variables.

c-program to swap using third variable

gowrikausalya.blogspot.com

/*c-program to swap two numbers using third variable */


#include<stdio.h>
#include<conio.h>
int main()
{
    int a,b,c;
    printf("Enter two numbers :");
    scanf("%d%d",&a,&b);
    printf("Before swapping..\n\n");
    printf("A=%d\nB=%d",a,b);
    c=a;
    a=b;
    b=c;
    printf("\n\nAfter swapping (using 3rd variable)...\n\n");
    printf("A=%d\nB=%d",a,b);
    getch();
}

OUTPUT

gowrikausalya.blogspot.com

c-program to swap two numbers using two variables

gowrikausalya.blogspot.com

/*c-program to swap two numbers using two variables*/

#include<stdio.h>
#include<conio.h>

int main()
{
    int a,b;
    printf("Enter two numbers :");
    scanf("%d%d",&a,&b);
    printf("Before swapping..\n\n");
    printf("A=%d\nB=%d",a,b);
    a=a+b;
    b=a-b;
    a=a-b;
    printf("\n\nAfter swapping ...\n");
    printf("A=%d\nB=%d",a,b);
    getch();
}
output:-

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(1).swapping using third variable...
(2).swapping without using arithmetic operators...