laba2_cpu cpp Defines the entry point for the console application incl

// laba2_cpu.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "iostream"
#include <ctime>
#include <time.h>  
#define N 100



int main(int argc, char* argv[])
{
	srand(time(NULL));

	int a[N][N];
	int b[N][N];
	int c[N][N];
	int i, j;
	int n, m;
	

	for (i = 0; i < N; i++)
		for (j = 0; j < N; j++)
		{
			a[i][j] = rand() % 10;
			b[i][j] = rand() % 10;
			c[i][j] = 0;
		}
	
	clock_t start;
	start = clock();
	for (i = 0; i < N; i++)
		for (j = 0; j < N; j++)
			for (m = 0; m < N; m++)
				c[i][j] += a[i][m] * b[m][j];
	double duration;
	duration = (clock() - start) / (double)CLOCKS_PER_SEC;
	printf("%f", duration);

	
	


	system("pause");
	return 0;
}