fizzbuzzduff.cpp

/*
 * Public domain
 */

#include <iostream>
#include <string>

void fizzbuzz(int start, int stop) {
  int i = start;
  switch (i % 15) {
    for (; i <= stop; i += 15) {
    case 0:
      if (i) {
        std::cout << "FizzBuzz\n";
      } else {
        std::cout << std::to_string(i) << '\n';
      }
    case 1:
      std::cout << std::to_string(i + 1) << '\n';
    case 2:
      std::cout << std::to_string(i + 2) << '\n';
    case 3:
      std::cout << "Fizz\n";
    case 4:
      std::cout << std::to_string(i + 4) << '\n';
    case 5:
      std::cout << "Buzz\n";
    case 6:
      std::cout << "Fizz\n";
    case 7:
      std::cout << std::to_string(i + 7) << '\n';
    case 8:
      std::cout << std::to_string(i + 8) << '\n';
    case 9:
      std::cout << "Fizz\n";
    case 10:
      std::cout << "Buzz\n";
    case 11:
      std::cout << std::to_string(i + 11) << '\n';
    case 12:
      std::cout << "Fizz\n";
    case 13:
      std::cout << std::to_string(i + 13) << '\n';
    case 14:
      std::cout << std::to_string(i + 14) << '\n';
    }
  }
}

int main() {

  fizzbuzz(0, 100);

  return 0;
}