11-P-1

#include

void pay_amount(int dollars, int* twenties, int* tens, int* fives, int* ones);

int main(void)
{
    int dollars, twenties, tens, fives, ones;

    printf("Please enter a dollar amount:");
    scanf_s("%d", &dollars);

    (void)pay_amount(dollars, &twenties, &tens, &fives, &ones);

    printf("$20 bills:%dn", twenties);
    printf("$10 bills:%dn", tens);
    printf("$5 bills:%dn", fives);
    printf("$1 bills:%dn", ones);

    return 0;

}
void pay_amount(int dollars, int* twenties, int* tens, int* fives, int* ones)
{
    *twenties = dollars / 20;
    dollars %= 20;
    *tens = dollars / 10;
    dollars %= 10;
    *fives = dollars/ 5;
    dollars %= 5;
    *ones = dollars / 1;
    return;
}