#include <iostream>
using namespace std;

class float_num;

class Matrix {
    float** m;
    int n;
public:
    Matrix();
    ~Matrix();
    void print();
    void input();

    friend void multiple(Matrix* M, float_num F);
};

Matrix::Matrix() {
    cout << "Введите n\n";
    cin >> n;
    int i;

    m = new float* [n];
    for (i = 0; i < n; i++) {
        m[i] = new float[n];
    }
}

Matrix::~Matrix() {
    int i;

    for (i = 0; i < n; i++) {
        delete[] m[i];
    }

    delete[] m;
}

void Matrix::input() {
    int i, j;

    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            cin >> m[i][j];
        }
    }
}

void Matrix::print() {
    int i, j;

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

class float_num {
    float num;
public:
    float_num() {
        cout << "Введите число\n";
        cin >> num;
    }

    friend void multiple(Matrix* M, float_num F);
};

void multiple(Matrix *M, float_num F) {
    int i, j;

    for (i = 0; i < M->n; i++) {
        for (j = 0; j < M->n; j++) {
            M->m[i][j] *=  F.num;
        }
        cout << endl;
    }
}

int main()
{
    Matrix M;
    M.input();
    float_num F;

    multiple(&M, F);
    M.print();
}