SOURCE FILE: sampProg.cpp

   
#include <fstream>
#include <iostream>
#include <iomanip>
#include <assert.h>   

using namespace std ;
   
const int MAX_NUM_PLAYERS = 100;      // maximum number of players  

/*   Program to read golf scores from the file "scores" (no white space
     after last score) and then to print those scores 
*/

void ReadScoresFile(int [], int&); // prototypes
void DisplayScores(const int [], int);
   
int main(void)   
{   
   int TourneyScore[MAX_NUM_PLAYERS], // array of scores 
       TourneyNum;                    // actual number of players 

   ReadScoresFile(TourneyScore, TourneyNum);
   DisplayScores(TourneyScore, TourneyNum);
      
   return 0;
}   

/*
   Function to read values for an array    
   Pre:  "scores" is a file of golf scores.   
   Post: score is a constant integer array of golf scores.
   NumPlayers is the number of golf scores.   
*/
   
void ReadScoresFile(int score[], int& NumPlayers)
{
   ifstream GolfFile("scores"); 
   assert(GolfFile);
   
      /* read values for array score until end of file */
   NumPlayers = 0; 
   while ((NumPlayers < MAX_NUM_PLAYERS) && 
         (GolfFile >> score[NumPlayers]))
      NumPlayers++;   
   
       /* print error message if too much data for array */
   if (!GolfFile.eof())   
      cout << "\nFile contained more than " << MAX_NUM_PLAYERS 
           << " scores.\n"
           << "Only the first " << MAX_NUM_PLAYERS
           << " scores will be processed.\n";

   GolfFile.close();   
}

/*
   Function to display an array of golf scores
   Pre:  score is an integer array of golf scores.
         NumPlayers is the number of golf scores.
   Post: The scores from score have been displayed.
*/

void DisplayScores(const int score[], int NumPlayers)
{   
   cout << "\n\tGolf Scores for Round:\n\n";
   cout << "\tPlayer #\tScore\n";
   cout << "\t________\t_____\n";
      
   for (int player = 0; player < NumPlayers; player++)   
      cout << "\t"   << setw(4) << player + 1 
           << "\t\t" << setw(4) << score[player] << endl;
}