PSet 1 Cash

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

int get_amount(void);

int main(void)
{
   // Get user input for Change Owed
   float a = get_amount();

   // Convert to cents
    int cents = round(a * 100);

    // Set coin counter to 0
    int counter = 0;

    while (cents >= 25)
    {
        cents -= 25;
        counter++;
    }

    while (cents >= 10)
    {
        cents -= 10;
        counter++;
    }

    while (cents >= 5)
    {
        cents -= 5;
        counter++;
    }

    while (cents >= 1)
    {
        cents --;
        counter++;
    }

    printf("%i\n", counter);
}


// Function: User input for Change Owed
int get_amount(void)
{
    float amount;
    do
    {
        amount = get_float("Changed owed: ");
    }
        while (amount < 0);
        return amount;
}