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#include <cs50.h>
#include<math.h>
#include<stdio.h>
int main(void)
{
    int n = 0;
    do
    {
        n = (get_float("Change owed: ") * 100);
    }
    while (n < 0);
    int q = ((n / 25) % 10);
            int d = ((q / 10) % 10);
                    int r = ((d / 5) % 10);
                            int c = (n % 10);
                                    int i = q + d + n + c;
                                            printf("%i, i");
}

It then yields this:

ErrorHelp50

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7
  • printf("%i, i"); should be printf("%i", i); – stensal May 28 '20 at 3:09
  • facepalm You see, I followed your tips, but one mishap leads to this. – DCcat MarvelCatNoMore May 28 '20 at 3:10
  • Unfortunately, the compiler is very unforgiving. – stensal May 28 '20 at 3:16
  • So true. It's like a Terminator. (Excuse the pun. Computer science, get it?) – DCcat MarvelCatNoMore May 28 '20 at 3:29
  • You are suffering from the same malady that I had when I started in C (and still have to this day.) You're creating all kinds of syntax errors like missing semicolons, quotes in teh wrong places, incorrect structuring of loops, etc. Programming requires very exact syntax, not just close. Computers are very stupid, so it has to be exactly what they expect. They don't look at code and think "Oh, you mean't this, not that." So, when I code, I write my code, then I spend the next 20 minutes correcting all the typos I made that the compiler tells me about. – Cliff B May 28 '20 at 3:42

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