#define RESPONSE_SIZE 40
#define FREQUENCY_SIZE 11


int main()
{
    int answer;
    int rating;

    /* place survey responses in array responses */
    int frequency[ FREQUENCY_SIZE ] = { 0 };


    int responses[ RESPONSE_SIZE ] = { 1, 2, 6, 4, 8, 5, 9, 7, 8, 10,
        1, 6, 3, 8, 6, 10, 3, 8, 2, 7, 6, 5, 7, 6, 8, 6, 7, 5, 6, 6,
        5, 6, 7, 5, 6, 4, 8, 6, 8, 10 };

    /*for each answer, select value of an element of array responses
and use that value as subscript in array frequency to
determine element to increment */

         for ( answer = 0; answer < RESPONSE_SIZE; answer++ ) {
            ++frequency[ responses [ answer ] ];    // this part is complex for me, can you please explain it further?
        }


        printf( "%s%17sn", "Rating", "Frequency" );

    /* output frequencies in tabular format */
        for ( rating = 1; rating < FREQUENCY_SIZE; rating++ ) {
            printf( "%6d%17dn", rating, frequency[ rating ] );
        }
        _sleep(1000*100);

        return 0;

}