Stats Program

ohsnap1319 (94)
Hello everyone! I am currently working on a World Series Statistics Program for my Comp Science Class at school. I have a problem with my program though. The calculations for Batting Average, Slugging Average, and On Base Average, are all wrong and I can't figure out why. Here is my code so far....

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#include <iostream>
#include <iomanip>

using namespace std;

const int MAXLASTNAME = 20;
const int MAXFIRSTNAME = 10;
const int MAXPLAYERS = 20;

struct Baseball {
	char FirstName[MAXFIRSTNAME+1];
	char LastName[MAXLASTNAME+1];
	float AB;
	float singles;
	float doubles;
	float triples;
	float HR;
	float walks;
	double BA;
	double SA;
	double OBA;
};

void checkPlayers(int &players);
int getData(Baseball[]);
void showData(Baseball[], int);

int main()
{
	Baseball stats[MAXPLAYERS];

	int players = getData(stats);
	showData(stats, players);

}

int getData(Baseball stats[])
{
	int i, players;

	cout << "How many players would you like to enter data for(1-20): ";
	cin >> players;
	cout << endl;

	checkPlayers(players);

	for(i=0;i<players;i++) {
		cout <<	"Please enter player #" << i+1 << "'s first name: ";
		cin >> stats[i].FirstName;

		cout << "Please enter player #" << i+1 << "'s last name: ";
		cin >> stats[i].LastName;

		cout << "Please enter the number of at bats for player #" << i+1 << ": ";
		cin >> stats[i].AB;

		cout << "Please enter the number of singles for player #" << i+1 << ": ";
		cin >> stats[i].singles;

		cout << "Please enter the number of doubles for player #" << i+1 << ": ";
		cin >> stats[i].doubles;

		cout << "Please enter the number of triples for player #" << i+1 << ": ";
		cin >> stats[i].triples;

		cout << "Please enter the number of home runs for player #" << i+1 << ": ";
		cin >> stats[i].HR;

		cout << "Please enter the number of walks for player #" << i+1 << ": ";
		cin >> stats[i].walks;
	}

	
	double sum = 0;

	for(i=0; i<players; i++) {
    	sum += (stats[i].singles + stats[i].doubles + stats[i].triples + stats[i].HR);

		cout.precision(3);
		cout.setf(ios::fixed);
		stats[i].BA = sum / (stats[i].AB);
		stats[i].SA = (stats[i].singles + (2*stats[i].doubles) + (3*stats[i].triples) + (4*stats[i].HR)) / (stats[i].AB);
		stats[i].OBA = (sum + stats[i].walks) / (stats[i].AB + stats[i].walks);
	}

    return players;
}

void showData(Baseball stats[], int players)
{
	int i;
	cout << endl << endl;
	cout << "Here is the data that you entered, in a nice chart format!\n\n";


	cout << "First Name" << setw(14) << "Last Name" << setw(6) << "AB" << setw(6) << "1B" << setw(6) << "2B";
	cout << setw(6) << "3B" << setw(6) << "HR" << setw(6) << "BB" << setw(6) << "BA" << setw(6) << "SA";
	cout << setw(6) << "OBA" << "\n";


	cout << "----------" << setw(14) << "---------" << setw(6) << "--" << setw(6) << "--" << setw(6) << "--";
	cout << setw(6) << "--" << setw(6) << "--" << setw(6) << "--" << setw(6) << "--" << setw(6) << "--";
	cout << setw(6) << "---" << "\n";


	for(i=0; i<players; i++)
	{
		cout << stats[i].FirstName
		     << setw(15) << stats[i].LastName
		     << setw(8) << stats[i].AB
		     << setw(8) << stats[i].singles
		     << setw(8) << stats[i].doubles
		     << setw(8) << stats[i].triples
		     << setw(8) << stats[i].HR
		     << setw(8) << stats[i].walks
			 << setw(8) << stats[i].BA
			 << setw(8) << stats[i].SA
			 << setw(8) << stats[i].OBA
		     << endl;
	}


}





void checkPlayers(int &players)
{
	while((players < 0) || (players > 20)) {
		cout << "Invalid value entered!!!\n";
		cout << "A valid value is between 0 and 20 inclusive!";
		cout << "Please reenter your answer: ";
		cin >> players;
	}
}



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