12пми / Vectormatrica1 (1)

#include	<iostream>
#include	<cstdlib>
using namespace std;
class Matrica;
/////////////////////////////////////////////
class Vector
{
	int *uk;
	int razmer;
 public:
	Vector() {razmer =0;}
	Vector(int s) {uk=new int[s];
		razmer=s;
		for (int i=0;i<s;i++)											///обнуляем элементы вектора
			uk[i]=0;
	}
 void show1()
	{cout << "vector: " << endl;
	 for (int i=0;i<razmer;i++)
		{
		 cout<<uk[i]<<" ";
		}
	 }
 void show3()
	{cout << "polu4enni vector: " << endl;
	 for (int i=0;i<razmer;i++)
		{
		 cout<<uk[i]<<" ";
		}
	 }
 friend Vector operator *(Vector, Matrica);
 friend bool sravnenie(Vector, Matrica);								
};
/////////////////////////////////////////////
class Matrica
{
	int **uk;
	int str,stl;
 public:
	Matrica() {str=0; stl=0;}
	Matrica(int str1,int stl1){str=str1;stl=stl1;uk=new int*[str];
	for(int i=0; i<str; i++)											///обнуляем элементы матрицы
	{
		uk[i]=new int[str];
		for(int j=0;j<stl;j++)
			uk[i][j]=0;
	}
	}

void show2()
	{cout << "matrica: " << endl;
	for (int i=0; i < str; i++)
		{
		for (int j=0; j < stl; j++)
			{
			cout << uk[i][j] << " ";
			}
		cout << endl;
		}
	}
 friend Vector operator *(Vector , Matrica );
 friend bool sravnenie( Vector vector,Matrica mat)
	{if (vector.razmer == mat.stl)										///проверка на количество столбцов матрицы
		return 1;														///и размера вектора
	 else
		return 0;}
	};
/////////////////////////////////////////////
Vector operator *(Vector vec, Matrica mat)
{for(int i=0; i < vec.razmer; i++)
	{for (int j=0; j < mat.stl; j++)
		vec.uk[i] = vec.uk[i] * mat.uk[j][i];
	}
return vec;
}
/////////////////////////////////////////////
int main()
{
	Vector vect(5);
	Matrica matr(5,5);
	vect.show1();
	cout << endl;
	matr.show2();

	if (sravnenie(vect, matr))
	{
		vect = vect * matr;
		vect.show3();}
	else
		cout << "Can`t do this!" << endl;
	system("pause");
}