Programming

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

using namespace std;

const int mat_rows = 5;
const int mat_cols = 4;
const int vec_rows = mat_cols;
const int vec_cols = 0;

int matrix [mat_rows] [mat_cols];
int vector [vec_rows] [0];
int result [mat_rows] [0];
int res;

int main ()
{
srand (time(NULL));
/*Filling matrix with random value between 0 - 10 */
for (int i = 0; i < mat_rows; i++)
        for (int j = 0; j < mat_cols; j++)
                matrix [i][j] = rand () % 50;

/*Filling vector with random value between 0 - 10*/
for (int i = 0; i < vec_rows; i++)
        vector [i] [0]= rand () % 50;

cout << "Printing out the matrix" << "\n" << endl;
for (int i = 0; i < mat_rows; i++)
        {
        for (int j = 0; j < mat_cols; j++)
                cout << matrix [i][j] << "   ";
        cout << endl;
        }
cout << "Printing out the vector" << "\n" << endl;
for (int i = 0; i < vec_rows; i++)
        cout << vector [i] [0] << endl;

for (int i = 0; i < mat_rows; i++)
        {
        res = 0;
        int vrows = 0;
        for (int j = 0; j < mat_cols; j++)
                {
                res = res + ((matrix [i] [j]) * (vector [vrows] [0]));
                vrows++;
                }
        result [i] [0] = res;
        }

for (int i = 0; i < mat_rows; i++)
        cout << result [i] [0] << endl;

return 0;
}