#include <iostream>
#include <string>
#include <vector>
#include <ctime>
#include <iomanip>

using namespace std;
class Vector;
class Matrix
{
public:
  int matrix[100][100], // статический массив
    rows = 0,      // строки
    columns = 0;      // столбцы
  friend void mulData(Matrix& m, Vector& v);
  Matrix()
  {
    rows = 5;
    columns = 5;
    srand(time(0));
    for (int ix = 0; ix < rows; ix++)
      for (int jx = 0; jx < columns; jx++)
        matrix[ix][jx] = rand() % 10 + 1;
  }
  Matrix(int r, int c)
  {
    rows = r;
    columns = c;
    srand(time(0));
    for (int ix = 0; ix < rows; ix++)
      for (int jx = 0; jx < columns; jx++)
        matrix[ix][jx] = rand() % 10 + 1;
  }
  Matrix(const Matrix& m)
  {
   rows = m.rows;
   columns = m.columns;
   for (int ix = 0; ix < rows; ix++)
     for (int jx = 0; jx < columns; jx++)
       matrix[ix][jx] = m.matrix[ix][jx];
  }
  void cout_m()
  {
    for (int ix = 0; ix < rows; ix++)
    {
      for (int jx = 0; jx < columns; jx++)
      {
        cout << setw(4) << matrix[ix][jx];
      }
      cout << endl;
    }
    cout << endl;
  }
  ~Matrix()
  {
  }
};

class Vector
{
public:
  int vector[100];
  int vector_size = 0;
  friend void mulData(Matrix& m, Vector& v);
  Vector()
  {
    vector_size = 5;
    for (int jx = 0; jx < vector_size; jx++)
      vector[jx] = rand() % 10 + 1;
  }
  Vector(int v_sz)
  {
    vector_size = v_sz;
    for (int jx = 0; jx < vector_size; jx++)
      vector[jx] = rand() % 10 + 1;
  }
  Vector(const Vector& vec)
  {
    vector_size = vec.vector_size;
    for (int jx = 0; jx < vector_size; jx++)
      vector[jx] = vec.vector[jx];
  }
  void cout_v()
  {
    for (int ix = 0; ix < vector_size; ix++)
    {
      cout << setw(4) << vector[ix] << endl;
    }
    cout << endl;
  }
  ~Vector()
  {
  }
};

void mulData(Matrix& m, Vector& v)
{
  int out[100]; // выходной вектор
    // умножение элементов матрицы на вектор
  for (int ix = 0; ix < m.rows; ix++)
  {
    out[ix] = 0;
    for (int jx = 0; jx < m.columns; jx++)
      out[ix] += m.matrix[ix][jx] * v.vector[jx];
  }
  m.cout_m();
  v.cout_v();
  for (int ix = 0; ix < m.rows; ix++)
  {
    cout << out[ix] << " ";
  }
  cout << endl;
}

int main()
{

  Matrix m;
  Vector v;
  mulData(m, v);

  system("PAUSE");
  return 0;
}