Average Score Calculator using prototype to define the functions

lets_play_a_game.cpp

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


void main() {
	int inputData(string [], int [], int);
	double calculateAverage(int [], int);
	void displayScoreBoard(int [], string [], int);
	void displayAboveAverage(int[], string [], int, double);

	const int number_of_players = 100; // I use this little number to help me save time in the system for figuring out how big my array is

	string players_name[number_of_players];
	int players_score[number_of_players];
	int total_players = 0;
	double average = 0;
	total_players = inputData(players_name, players_score, total_players);

	cout << "Total Players " << total_players << endl;
	if(total_players > 0){
		average = calculateAverage(players_score, total_players);
		displayScoreBoard(players_score, players_name, total_players);
		displayAboveAverage(players_score, players_name, total_players, average);
	} else {
		cout << "Your total number of players is zero" << endl;
	}
	
	system("pause");

}

string inputPlayer(){
	string name;
	cout << "Enter Player Name (Q to quit): ";
	cin >> name;
	return name;
}


int inputScore(string name){
	int score;
	cout << "Enter score for " << name << " : ";
	cin >> score;
	return score;
}

int inputData(string players_name[100], int players_score[100], int total_players){
	bool adding_players = true;
	while(adding_players){
		players_name[total_players] = inputPlayer();
		if(players_name[total_players] == "Q"){
			adding_players = false;
		} else {
			players_score[total_players] = inputScore(players_name[total_players]);
			total_players++;
		}
	}
	return total_players;
}



double calculateAverage(int players_score[100], int total_players){
	double average_score = 0;
	int average_total = 0;
	for(int ps = 0; ps < total_players; ps++){
		average_total += players_score[ps];
	}
	average_score = average_total / total_players;
	cout << "Average Score: " << setiosflags(ios::fixed) << setprecision(3) << average_score << endl;
	return average_score;
}

void displayScoreBoard(int players_score[100], string players_name[100], int total_players){
	cout << endl;
	cout << "Name" << "\t" << "Score" << endl;
	for(int p = 0; p < total_players; p++){
		cout << players_name[p] << "\t" << players_score[p] << endl;
	}
}

void displayAboveAverage(int players_score[100], string players_name[100], int total_players, double average){
	cout << endl;
	cout << "Name" << "\t" << "Score" << endl;
	for(int p = 0; p < total_players; p++){
		if(players_score[p] >= average){
			cout << players_name[p] << "\t" << players_score[p] << endl;
		}
	}
}