tools/fizzbuzz.c

/*      Copyright © 2015, 2018 Jeffrey Cliff
 *
 *	This program is free software: you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation, either version 3 of the License, or (at
 *	your option) any later version.
 *
 *	This program is distributed in the hope that it will be useful, but
 *	WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *	General Public License for more details.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "stdio.h"
void fizzbizz();

// dummy driver function to actually get it execute.
int main()
{
	fizzbizz();
}

// Fizzbizz:
// print from 1 to 100, substituting in "FizzBuzz", "Fizz" and "Buzz" when the number in
// question is divisible by 3 and 5, 3 and 5 respectively.
//
void fizzbizz()
{
	// @TODO optional "\N:
	int i;
	for (i=1; i<=100; i++)
	{
		if ((i%3==0) && (i%5==0))
		    printf("FizzBuzz");
		else if (i%3==0) //3 divides i.  3 is a factor of i
		    printf("Fizz");
		else if (i%5==0)
		   printf("Buzz");
		else
       printf("%i",i);
	}
}