#include <iostream>
#include <cassert>
#include <fstream>

using namespace std;

#define input "input.txt"
#define output "output.txt"

class Matrix {
public:
    int n, m;
    int** data;

    void allocate() {
        data = new int* [n];

        for (int i = 0; i < n; i++)
            data[i] = new int[m];
    }
    void destruction() {
        return;
        if (n && m) {
            for (int i = 0; i < n; i++)
                delete data[i];
            delete data;
        }
    }

public:
    Matrix() { n = m = 0; };
    Matrix(int _n, int _m) : n(_n), m(_m) { allocate(); }

    ~Matrix() { destruction(); }

    void set(string filename) {
        ifstream ifs(filename);

        assert(ifs && "File is not open");

        ifs >> n >> m;

        destruction();
        allocate();

        for (int i = 0; i < n; i++)
            for (int j = 0; j < m; j++)
                ifs >> data[i][j];
    }

    void get(string filename) {
        ofstream ofs(filename);

        assert(ofs && "File was not created");

        ofs << "n = " << n << " m = " << m << endl;
        ofs << "Matrix:" << endl;

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++)
                ofs << data[i][j] << " ";
            ofs << endl;
        }
    }

    Matrix& operator = (const Matrix& x) {
        n = x.n; m = x.m;

        destruction();
        allocate();

        for (int i = 0; i < n; i++)
            for (int j = 0; j < m; j++)
                data[i][j] = x.data[i][j];
        return *this;
    }

    Matrix operator * (const Matrix& x) { return sum(*this, x); }
    friend Matrix sum(const Matrix& a);
    friend Matrix amount(const Matrix& a);
};

Matrix sum(const Matrix& a) {
    assert(a.m  && "No way of getting sum");

    Matrix b(a.n);

    for (int j = 0; j < n; j++)
    {
        Temp[j] = b[0][j];
        for (int i = 0; i < n; i++)
            if (b[i][j] < Temp[j])
                Temp[j] = B[i][j];
    }

    cout << "Matrix A:\n";
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            b[i][j] = Temp[i * m + j];
            if (b[i][j] > 0.) {
                sum_pos += A[i][j];
            pos++;
            }
            cout << A[i][j] << " ";
        }
        cout << "\n";
    }

int main() {

    Matrix a, b;

    a.set(input);

   // считаем кол-во элементов и сумму

    b.get(output);

    return 0;
}