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Writing a 2D array to a file (void function problems)

halopower67 (44)
Hey guys, im currently working on writing the results of this program to a file, the problems come in when i try to write the void functions to a file, is there any help you guys can give me? Heres my code:
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#include <cstdlib>
#include <iostream>
#include <fstream>

using namespace std;

const int MONKEYS = 3;
const int DAYS = 7;
double average = 0;

int getSum (int [][DAYS]);
void getChart (int [][DAYS]);
void dayAvg (int table [][DAYS]);
int findLowest (int table [][DAYS]);
int findHighest (int table [][DAYS]);

int main(int argc, char *argv[])
{
    int table [MONKEYS][DAYS];
    ofstream outfile;
    
    cout << "The diet of 3 monkeys over 7 days, please input your info: \n\n";
    
    outfile.open("MonkeyBuisnessFile.txt");
    
    getChart(table);
    
    cout << "The total amount of food consumed by the monkeys: "
         << getSum(table) << " Pounds\n\n";
    outfile << "The total amount of food consumed by the monkeys: "
         << getSum(table) << " Pounds\n\n";
         
    dayAvg(table);
    
    cout << "The lowest amount of food eaten : " << findLowest(table) << " Pounds\n";
    outfile << "The lowest amount of food eaten : " << findLowest(table) << " Pounds\n";
    cout << "The highest amount of food eaten : " << findHighest(table) << " Pounds\n";
    outfile << "The highest amount of food eaten : " << findHighest(table) << " Pounds\n";
    
    outfile.close();
    
    system("PAUSE");
    return EXIT_SUCCESS;
}

int getSum (int table [][DAYS])
{
    int sum = 0;
    for ( int monkey = 0;  monkey < MONKEYS; monkey++)
    {
        for (int day = 0; day < DAYS; day++)
            sum += table [monkey][day];
    }
    return sum;
}

void getChart (int table[][DAYS])
{
    for (int monkey = 0; monkey < MONKEYS; monkey++)
    {
        for (int day = 0; day < DAYS; day++)
        {
            cout << "Monkey " << (monkey+1) << ", ";
            cout << "Day " << (day+1) << ": ";
            cin >> table [monkey][day];
        }
        cout << endl;
    }
}

void dayAvg (int table [][DAYS])
{
    for ( int day = 0;  day < DAYS; day++)
    {
        int total = 0;
        for (int monkey = 0; monkey < MONKEYS; monkey++)
        {
            total += table [monkey][day];
        }
        average = total/MONKEYS;
        cout << "Average food consumed on day " << (day+1)
             << " by all 3 monkeys is: " << average << " Pounds" << endl;
    }
}

int findLowest (int table [][DAYS])
{
    int lowest = table [0][0];
    for (int monkey = 0; monkey < MONKEYS; monkey++)
    {
        for (int day = 0; day < DAYS; day++)
        {
            if (table [monkey][day] < lowest)
                lowest = table[monkey][day];
        }
        
        cout << endl;
    }
    return lowest;
}

int findHighest (int table [][DAYS])
{
    int highest = table [0][0];
    for (int monkey = 0; monkey < MONKEYS; monkey++)
    {
        for (int day = 0; day < DAYS; day++)
        {
            if (table [monkey][day] > highest)
                highest = table[monkey][day];
        }
        
        cout << endl;
    }
    return highest;
}
halopower67 (44)
Also how do i use input validation n the getChart function so the program advertises the user that negative numbers aren't allowed?
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