#include <iostream>
#include <fstream>

using namespace std;


void promptUser();
void readData();
void calculateStdDeviations();
void calculateSumsAndMeans();
void runProgram();
void outputData();

const int rows=10;
const int cols=2;


int scores [rows][cols];


int sumVerbal;
int sumMath;
int meanVerbal;
int meanMath;
double valMath;
double valVerbal;


ifstream outFile;

void runProgram()
{
    promptUser();
    readData();
    calculateSumsAndMeans();
    calculateStdDeviations();

}

int main()
{


    runProgram();

}


void promptUser()
{

    cout<<"In this program the user will input the SAT scores of 10 /n"
    <<"students and find the mean and standard deviation of the scores."<< endl <<endl;


}

void readData()
{


    int mathInput;
    int verbalInput;
    for(int i =0;i<rows; i++ )
    {
        cout<<"Please enter the " << i + 1<< " math score and the " << i + 1<< " verbal score";
        cin>> mathInput >>verbalInput;

        scores[i][0]= mathInput;
        scores[i][1]= verbalInput;



    }

    void calculateSumsAndMeans()
    {

        sumVerbal=0;
        sumMath=0;

        for(int i =0;i<rows; i++ )
        {

            sumMath = sumMath + scores[i][0];
            sumVerbal = sumVerbal + scores[i][1];



        }
        meanMath = sumMath/rows;
        meanVerbal = sumVerbal/rows;



    }
    void calculateStdDeviations()
    {
        for(int i =0;i<rows; i++ )
        {
            valMath = scores[i][0]-meanMath;
            valMath = valMath*valMath;
            valVerbal = scores[i][1] - meanVerbal;
            valVerbal = valVerbal*valVerbal;


        }

    }

    void sendResults()
    {
        cout<<"Math Verbal" << endl;
        for(int i = 0; i<rows: i++)
        {
            cout << scores[i][0] << " " << scores[i][1] << endl;
        }
        cout << meanMath << " " << meanVerbal<< endl;
        cout << mathDev << " "<< mathVerbal<< endl;

        outfile.open("output.txt");
        outfile << "Math Verbal" << endl;
        for(int i = 0; i<rows: i++)
        {
            outfile << scores[i][0] << " " << scores[i][1] << endl;
        }

    }