#include <iostream>
#include <fstream>
using namespace std;
 
#if 0

int** createArray(int rows, int cols);
void readData(int** dataArray, ifstream& file_in, int rows, int cols);

void printOneGrade     (int **grades, int rows, int cols, int student, int assignment);
void printOneStudent   (int **grades, int rows, int cols, int student);
void printOneAssignment(int **grades, int rows, int cols, int assignment);
 
void printMaxOneStudent   (int **grades, int rows, int cols, int student);
void printMaxOneAssignment(int **grades, int rows, int cols, int assignment);


int main98779879()
{
        // Constants -- to keep simple we assume 10 students and 10 assignments
        const int ROWS = 10;
        const int COLS = 10;

        // Create 2D array and read grades in
        // grades[i][j] will be grades of i'th student on j'th assignment
        int **grades = createArray(ROWS, COLS);
        ifstream fin("grades.txt");
        readData(grades, fin, ROWS, COLS);
 
        char ch;
        do {
            // Ask user what they want to know about
            int student, assignment;
            cout << "Enter student number [0..9]: ";
            cin >> student;
            cout << "Enter assignment number [0..9]: ";
            cin >> assignment;
            
            // Print out different info about the student and assignment
            cout << endl;
            printOneGrade     (grades, ROWS, COLS, student, assignment);
            cout << endl;

            printOneStudent   (grades, ROWS, COLS, student);
            printMaxOneStudent(grades, ROWS, COLS, student);
            cout << endl;
            
            printOneAssignment   (grades, ROWS, COLS, assignment);
            printMaxOneAssignment(grades, ROWS, COLS, assignment);
            cout << endl;
        
            // Should we continue?
            cout << "Continue? (y/n) ";
            cin  >> ch;
        } while (ch == 'y');
        return 0;
}
 
int** createArray(int rows, int cols)
{
        int** dataArray = new int*[rows];
        for (int i = 0; i < rows; i++)
        {
               dataArray[i] = new int[cols];
        }
        return dataArray;
}
 
void readData(int** dataArray, ifstream& file_in, int rows, int cols)
{
        for (int i = 0; i < rows; i++)
        {
               for (int j = 0; j < cols; j++)
               {
                       file_in >> dataArray[i][j];
               }
        }
}

// Prints grade for the given student and assignment
// e.g. "Grade for student 1 on assignment 3 is 74";
void printOneGrade     (int **grades, int rows, int cols, int student, int assignment)
{
    int theGrade = grades[student][assignment];
    cout << "Grade for student " << student << " on assignment " << assignment;
    cout << " is " << theGrade << endl;
}

// Prints all grades for the given student
// e.g. "Grades for student 1 are:
//       96	67	56	74	94	100	98	68	95	65"
void printOneStudent   (int **grades, int rows, int cols, int student)
{
    cout << "Grades for student " << student << " are: " << endl;
    for (int j = 0; j < cols; j++) 
    {
        cout << grades[student][j] << " ";
    }
    cout << endl;
}

// Prints all grades for the given assignment
// e.g. "Grades for assignment 3 are:
//       72 74 59 69 67 54 71 89 95"
void printOneAssignment(int **grades, int rows, int cols, int assignment)
{
    cout << "Grades for assignment " << assignment << " are: " << endl;
    for (int i = 0; i < cols; i++) 
    {
        cout << grades[i][assignment] << " ";
    }
    cout << endl;
}


// Prints the maximum score obtained by 'student' on any assignment
void printMaxOneStudent   (int **grades, int rows, int cols, int student)
{
    // default value is the first grade
    int maxGradeIndex = 0;
    int maxGradeValue = grades[student][maxGradeIndex];

    // Check all grades for a higher maximum
    for (int j = 0; j < cols; j++) 
    {
        int thisGradeValue = grades[student][j];
        if (thisGradeValue > maxGradeValue)
        {
            // found a new maximum
            maxGradeValue = thisGradeValue;
            maxGradeIndex = j;
        }
    }
    
    // Print results
    cout << "The max grade for student " << student << " is " << maxGradeValue << "." << endl;
    cout << "It was obtained for homework " << maxGradeIndex << "." << endl;

}


// Prints the maximum score obtained by any student on 'assignment'
void printMaxOneAssignment (int **grades, int rows, int cols, int assignment)
{
    // default value is for first student
    int maxGradeIndex = 0;
    int maxGradeValue = grades[maxGradeIndex][assignment];

    // Check all grades for a higher maximum
    for (int j = 0; j < cols; j++) 
    {
        int thisGradeValue = grades[j][assignment];
        if (thisGradeValue > maxGradeValue)
        {
            // found a new maximum
            maxGradeValue = thisGradeValue;
            maxGradeIndex = j;
        }
    }
    
    // Print results
    cout << "The max grade for assignment " << assignment << " is " << maxGradeValue << "." << endl;
    cout << "It was obtained by student " << maxGradeIndex << "." << endl;

}

 


#endif