//This program calculates the number of soccer teams 
//that a youth league may create from the number of 
//available players. Input validation is demonstrated
//with while loops.
#include <iostream>
using namespace std;

int main ()
{
	//constants for minimum nd maximum players
	const int MIN_PLAYERS = 9,
			  MAX_PLAYERS = 15;

	//Variables
	int players,		//Number of available players
		teamPlayers,	//Number of desired players per team
		numTeams,		//Number of teams
		leftOver;		//Number of players left over
		
	//Get the number of players per team.
	cout << "How many players do you wish per team? ";
	cin >> teamPlayers;
	
	//Validate the input
	while (teamPlayers < MIN_PLAYERS || teamPlayers > MAX_PLAYERS)
	{
		//Explain the error
		cout << "You should have at least " << MIN_PLAYERS 
			 <<" but no more than " << MAX_PLAYERS << " per team.\n";
		
		//Get the input again.
		cout << "How many players do you wish per team? ";
		cin >> teamPlayers;
	
	}
	//Get the number of players available.
	cout << "How many players are available? ";
	cin >> players;
	
	//Validate the input.
	while (players <= 0)
	{
		//Get the input again.
		cout << "Please enter 0 or greater: ";
		cin >> players;
	}
	
	//Calculate the number of teams.
	numTeams = players / teamPlayers;
	
	//Calculate the number of leftover players.
	leftOver = players % teamPlayers;
	
	//Display the results.
	cout << "There will be " << numTeams << " teams with "
		 << leftOver << " players left over.\n";
	return 0;
}