#include <iostream>
#include <ctime>
#include <iomanip>

using namespace std;

class Matrix
{
private:
    int** arr;

public:

    void Set() {
        arr = new int* [4];
        for (int count = 0; count < 4; count++)
            arr[count] = new int[4];

        for (int i = 0; i < 4; i++)
            for (int j = 0; j < 4; j++)
                arr[i][j] = (rand() % 10 + 1) / int((rand() % 10 + 1));
    }

    void Get() {
        for (int i = 0; i < 4; i++)
        {
            for (int j = 0; j < 4; j++)
                cout << setw(4) << setprecision(2) << arr[i][j] << "   ";
            cout << endl;
        }
    }
    void MaxElement() {
        int max = INT_MIN;
        for (int i = 0; i < 4; i++)
        {
            for (int j = 0; j < 4; j++)
                if (arr[i][j] > max)
                    max = arr[i][j];
        }
        cout << "MAX = " << max <<endl;
    }
    void Delete() {
        for (int count = 0; count < 2; count++)
            delete[]arr[count];
    }

    friend Matrix operator+(const Matrix& c1, const Matrix& c2)
    {
        Matrix res;
        res.arr = new int* [4];
        for (int count = 0; count < 4; count++)
            res.arr[count] = new int[4];
        for (int i = 0; i < 4; i++)
        {
            for (int j = 0; j < 4; j++)
                res.arr[i][j] = c1.arr[i][j] + c2.arr[i][j];
            cout << endl;
        }
        return res;
    }

    friend Matrix operator-(const Matrix& c1, const Matrix& c2)
    {
        Matrix res;
        res.arr = new int* [4];
        for (int count = 0; count < 4; count++)
            res.arr[count] = new int[4];
        for (int i = 0; i < 4; i++)
        {
            for (int j = 0; j < 4; j++)
                res.arr[i][j] = c1.arr[i][j] - c2.arr[i][j];
            cout << endl;
        }
        return res;
    }

};

int main()
{
    setlocale(0, "");
    Matrix m1;
    m1.Set();
    m1.Get();
    m1.MaxElement();
    cout << endl;
    Matrix m2;
    m2.Set();
    m2.Get();

    Matrix m3;
    m3 = m1 + m2;

    m3.Get();

    m3 = m1 - m2;

    m3.Get();

    return 0;
}