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

int main (void)
{

    float dollars;
    int quarters = 0;
    int dimes = 0;
    int penny = 0;
    int nickel = 0;
    int counter = 0;

     //a loop to take the user input
    do
     {
       printf("how much change is owed? ");
        dollars = GetFloat();

       }


    while (dollars <= 0 );

    int cent = round(dollars * 100);



      //loops to collect input and give number of coins left.
     while (quarters >= 25)
      {
        counter++;
        quarters = cent - 25;



     while(dimes >= 10)
         counter++;
         dimes = cent - 10;


       while (nickel >= 5)
            counter++;
          nickel = cent - 5;



             //dollars = cent / 5;
           nickel = cent % 5;
      while (penny >= 1)
          counter++;
       penny = cent - 1;


   printf("i have %d coins\n",counter);
       break;
 }

}