digits_of_number.c

/*

    digits_of_number.c

    Extracting digits of number.


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

    https://pastebin.com/u/dmilicev

    https://www.facebook.com/dmilicev

*/

#include <stdio.h>

int main(void)
{
    int i, n = 1234;

    printf("\n n = %d \n", n );

    printf("\n first  digit (thousands)   n/1000 %% 10  is  %d \n", n/1000%10 );

    printf("\n second digit (hundreds)    n/100 %% 10   is  %d \n", n/100%10 );

    printf("\n third  digit (tens)        n/10 %% 10    is  %d \n", n/10%10 );

    printf("\n fourth digit (ones)        n/1 %% 10     is  %d \n", n%10 );


    printf("\n while loop: \n");

    while( n != 0 )
    {
        printf("\n n = %4d  last digit is  %d \n", n, n%10 );
        n = n / 10;
    }

    printf("\n After while loop  n = %d \n", n );


    return 0;

} // main()