#include <iostream>
#include <omp.h>
 
int main() {
	int SIZE = 1000;
    double start, stop;
    int** A = new int* [SIZE];
    int** B = new int* [SIZE];
    int** C = new int* [SIZE];
    int** BT = new int* [SIZE];
 
	start = omp_get_wtime();
    for (int i = 0;i < SIZE;i++) 
		A[i] = new int[SIZE];

    for (int i = 0;i < SIZE;i++) 
		B[i] = new int[SIZE];

    for (int i = 0;i < SIZE;i++) 
		C[i] = new int[SIZE];

    for (int i = 0;i < SIZE;i++) 
		BT[i] = new int[SIZE];
	
    for (int i = 0;i < SIZE;i++) { //tworzenie A
        for (int j = 0;j < SIZE;j++)
            A[i][j] = rand() % 10;
	}
   
    for (int i = 0;i < SIZE;i++) { //tworzenie B
        for (int j = 0;j < SIZE;j++)
            B[i][j] = rand() % 10;
	}
   
    for (int i = 0;i < SIZE;i++) { //transponowanie
        for (int j = 0;j < SIZE;j++)
            BT[i][j] = B[j][i];
	}
   
    for (int i = 0;i < SIZE;i++) { //tworzenie C
        for (int j = 0;j < SIZE;j++)
            C[i][j] = 0;
	}
   
    for(int i = 0;i < SIZE;i++) { //mnozenie A i B
        for (int j = 0;j < SIZE;j++) {
            for (int k = 0;k < SIZE;k++)
                C[i][j] += A[i][k] * BT[j][k];
		}
	}
 
    stop = omp_get_wtime();
    std::cout << "Czas wykonania: " << stop - start << std::endl;
    return 0;
}