#include<iostream>
#include<cstdlib>
#include<ctime>
#include<thread>
const int MAX = 4;
const int x = 2;
int step_i = 0;
using namespace std;
void mult(int **A,int **B,int **C)
{
	int core = step_i++;
	for (int i = core * MAX / 4; i < (core + 1) * MAX / 4; i++) {
		for (int j = 0; j < MAX; j++) {
			C[i][j] = 0;
			for (int k = 0; k < MAX; k++) {
				C[i][j] += A[i][k] * B[k][j];
			}

		}

	}

	cout << "mtr C" << endl;
	for (int i = 0; i < MAX; i++) {
		for (int j = 0; j < MAX; j++) {
			cout << C[i][j] << " ";

		}
		cout << endl;
	}
}

int main()
{
	srand(static_cast<unsigned int>(time(0)));
	int **A, **B, **C;


	A = new int*[MAX];
	B = new int*[MAX];
	C = new int*[MAX];
	for (int i = 0; i < MAX; i++) {
		A[i] = new int [MAX];
		B [i]= new int [MAX];
		C [i]= new int [MAX];
	}

	for (int i = 0; i < MAX; i++) {
		for (int j = 0; j < MAX; j++) {
			A[i][j] = rand() % 5;
			B[i][j] = rand() % 5;
		}
	}

	cout << "mtr A" << endl;
	for (int i = 0; i < MAX; i++) {
		for (int j = 0; j < MAX; j++) {

			cout << A[i][j] << " ";

		}
		cout << endl;
	}

	cout << "mtr B" << endl;
	for (int i = 0; i < MAX; i++) {
		for (int j = 0; j < MAX; j++) {
			cout << B[i][j] << " ";

		}
		cout << endl;
	}

	std::thread threads[x];
	for (int i = 0; i < x; i++) {
		threads[i] = std::thread(mult,i);
	}
	for (int i = 0; i < x; i++) {
		threads[i].join();
	}
	for (int i = 0; i < MAX; i++)
	{
		delete[] A[i];
	}
	delete[] A;
	for (int i = 0; i < MAX; i++)
	{
		delete[] B[i];
	}
	delete[] B;
	for (int i = 0; i < MAX; i++)
	{
		delete[] C[i];
	}
	delete[] C;

	system("pause");
	return 0;
}