Harvard summer 2020 week 1

cash.c

#include<stdio.h>
#include<cs50.h>
#include<math.h>
int main(void)
{  float dollars=0;
     do
    {
      dollars = get_float("Chang owned:");
    }while(dollars<0);

    int cents = round(dollars*100);
    int count=0;
    while(cents!=0)
    {
      if(cents>24)
      {
          
          cents=cents-25;
          count++;
          
      }
      else if(cents>9)
      {
          cents=cents-10;
          count++;
      }
      else if(cents>4)
      {
        cents=cents-5;
        count++;
      }
      else
      {
          
          count+=cents;
          cents=0;
      }
      
    }

   printf("%d",count);
  
}