three_digits_numbers_2_v1.c

/*

    three_digits_numbers_2_v1.c

    Task:
    How many three digit integers are divisible by the product of its digits?


    You can find all my C programs at Dragan Milicev's pastebin:

    https://pastebin.com/u/dmilicev

*/

#include <stdio.h>

int main(void)
{
    int h, t, u, number, number_of_solutions=0, number_of_iterations=0;

    for(h=1; h<10; h++)
    {
        for(t=1; t<10; t++)
            for(u=1; u<10; u++)
            {
                number_of_iterations++;
                number = 100*h + 10*t + u;

                if( ( number%(h*t*u) )==0 )
                {
                    number_of_solutions++;
                    printf(" %d%d%d", h, t, u );
                }
            }
    }

    if( number_of_solutions == 0 )
        printf("\n There is no such numbers. \n");
    else
        printf("\n\n There are %d such numbers. \n", number_of_solutions );

    printf("\n Number of iterations %d. \n", number_of_iterations );

    return 0;

} // main()