HCF of a Number in c program

Find HCF of a given Number without using Recursion

#include 

#include  

int hcf(int, int);

int main()

{

    int a, b, result;

    clrscr();

    printf("Enter the two numbers to find their HCF: ");

    scanf("%d%d", &a, &b);

    result = hcf(a, b);

    printf("The HCF of %d and %d is %d.\n", a, b, result);

    return 0;

}

int hcf(int a, int b)

{

    while (a != b)

    {

        if (a > b)

        {

            a = a - b;

        }

        else

        {

            b = b - a;

        }

    }

    return a;

}

Output

Enter the two numbers to find their HCF: 24 36

The HCF of 24 and 36 is 12.