Just some randomness. Probably doesn't even compile.

players_sketch.cpp

#include <iostream>
#include <vector>

Class Player;

using namespace std;
int main(int argc, char *argv[]) {
	
	int32_t min_players = 2;
	int32_t max_players = 6;
	
	int32_t players = 0;
	do {
		// do sth to get input
		players = 4;
		
		if (players >= min_players && players <= max_players) break;
	} while (true);
	
	vector<Player> _players();
	for (int32_t i=0;
		i<players;
		++i) {
		_players.push_back(Player());
	}
	
	return 0;
	
}