#include <iostream>
#include <cstdio>
#include <time.h>

using namespace std;

const int Size = 5;

void set(int **matrix)
{
    for (int i = 0; i < Size; i++)
        for (int j = 0; j < Size; j++)
            matrix[i][j] = rand() % 10;
}

void out(int **matrix)
{
    for (int i = 0; i < Size; i++)
    {
        for (int j = 0; j < Size; j++)
            cout << matrix[i][j] << " ";
        cout << endl;
    }
}

int count(int **matrix)
{
    int ans = 1;
    for (int i = 0; i < Size; i++)
        for (int j = 0; j < Size; j++)
            ans *= matrix[i][j];
    return ans;
}

void destruct(int **matrix)
{
    for (int i = 0; i < Size; i++)
        delete []matrix[i];
    delete []matrix;
}

int main()
{
    srand (time(NULL));
    int **matrix = new int *[Size];
    for (int i = 0; i < Size; i++)
        matrix[i] = new int[Size];
    set(matrix);
    out(matrix);
    cout << count(matrix);
    destruct(matrix);
    return 0;
}