#include <iostream>
#include <fstream>
#include <stdio.h>
using namespace std;
void print(int **A, const int N)
{
	for (int i = 0;i < N;i++)
	{
		for (int j = 0;j < N;j++)
		{
			cout << A[i][j] << "\t";
		}
		cout << endl;
	}
}
int pr_el(int** A, int N)
{
	int pr = 1;
	for (int i = 0;i < N;i++)
	{
		for (int j = 0;j < N;j++)
		{
			if ((i + j) % 4 == 0) pr *= A[i][j];
		}
	}
	cout << "Pr = " << pr;
	return pr;
}
int main()
{
	ifstream file("C:\\Users\\Irinda\\source\\repos\\Задание 1\\text.txt");
	if (!file)
	{
		cout << "File is not open";
		return -1;
	}
	else
	{
		cout << "File is open" << endl;
		int N;
		file >> N;
		int **A;
		A = new int*[N];
		for (int i = 0;i < N;i++)
		{
			A[i] = new int [N];
		}
		for (int i = 0;i < N;i++)
		{
			for (int j = 0;j < N;j++)
			{
				if (!file.eof())
				{
					file >> A[i][j];
				}
			}
		}
		cout << endl;
		print(A, N);
		cout << endl;
		pr_el(A, N);
		cout << endl;
		file.close();
		system("pause");
		return 0;
	}
}