20 – Best C program to find HCF

#include<stdio.h>
//itvoyagers.in
int hcf(int a, int b)
{
    int l,i,hcf;
    if(a<b)
    {
        l = a;
    }
    else
    {
        l = b;
    }
    for(i=1; i<=l; i++)
    {
        if((a % i == 0) && (b % i == 0))
        {
            hcf = i;
        }
    }
    return hcf;
}
//itvoyagers.in
int main()
{ 
    int x, y;
    printf("Enter first number : ");
    scanf("%d",&x);
    printf("Enter second number : ");
    scanf("%d",&y);
    printf("HCF of %d and %d is %d",x,y,hcf(x,y));
    return 0; 
}