CS50 Greedy

#include<stdio.h>
#include<cs50.h>

int main(void)
{
    float change;
    int number_quarters = 0;
    int number_dimes = 0;
    int number_nickels = 0;
    int number_pennies = 0;
    do
    {
        printf("How much change is owed?\n");
        change = GetFloat();
    }
    while (change <= 0);

    while (change >= .25)
    {
        number_quarters = number_quarters + 1;
        change = change - .25 ;
    }

    while (change >= .10 && change < .25)
    {
        number_dimes = number_dimes + 1;
        change = change - .10 ;
    }

    while (change >= .05 && change < .10)
    {
        number_nickels = number_nickels + 1;
        change = change - .05;
    }

    while (change > .00 && change < .05)
    {
        number_pennies = number_pennies + 1;
        change = change - .01 ;
    }

    int coins;
    coins = number_quarters + number_dimes + number_nickels + number_pennies;
    printf("%d\n", coins);
}