self-rec.cpp

#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;

int main(int argc, const char* argv[]){
    int n = argc == 1? 1: atoi(argv[1]);

    if(n%15 == 0) cout << "FizzBuzz" << endl;
    else if(n%3 == 0) cout << "Fizz" << endl;
    else if(n%5 == 0) cout << "Buzz" << endl;
    else cout << n << endl;

    string s = (string{ argv[0] } + " " + to_string(n+1));
    if(n != 100) system(s.c_str());
}