Динамические массивы

#include <conio.h>
#include <iostream.h>
#include <stdlib.h>
#include <time.h>
#include <iomanip.h>

class Matr
{
public:
	int* matr;
   int* matrI;

   int Mrow;
   int Mcol;
   int Mlast;

   Matr(int r, int c);
   ~Matr();
   void Init(void);
   void Print(void);
   void Del(int el);
   void Add(int ee);
};
///////////////////////////////////////
Matr::Matr(int r, int c)
{
Mrow= r; Mcol= c; Mlast= Mrow*Mcol;
matr= new int [Mrow*Mcol];
matrI= new int [Mrow*Mcol];
}
///////////////////////////////////////
Matr::~Matr()
{
delete [] matr;
delete [] matrI;
}
///////////////////////////////////////
void Matr::Del(int el)
{
Mlast= Mrow*Mcol-el;

delete [] matrI;
matrI= new int[Mlast];

for (int q=0; q< Mlast; q++)
	{ matrI[q]= matr[q]; }

delete [] matr;
matr= new int[Mlast];

for (int q=0; q< Mlast; q++)
	{ matr[q]= matrI[q]; }

}
///////////////////////////////////////
void Matr::Add(int ee)
{
delete [] matrI;
matrI= new int[Mlast+ee];

for (int q=0; q< Mlast; q++)
	{ matrI[q+ee]= matr[q]; }
for (int q=0; q<ee; q++)
	{ matrI[q]= '0'; }

delete [] matr;
Mlast= Mlast+ee;
matr= new int[Mlast];
for (int q=0; q< Mlast; q++)
	{ matr[q]= matrI[q]; }
}
///////////////////////////////////////
void Matr::Init(void)
{
randomize();

for (int q=0; q< Mrow*Mcol; q++)
	{ matr[q]= rand()%100; }
}
///////////////////////////////////////
void Matr::Print(void)
{
int clmn=0;
for (int q=0; q< Mlast; q++)
	{
   cout<<setw(3)<<matr[q]; clmn++;
	if (clmn==Mcol) { clmn=0; cout<<endl; }
      }
}
///////////////////////////////////////
int main (void)
{
int row; int col;
cout<<"Input ROW= "; cin>>row;
cout<<"Input COL= "; cin>>col;
cout<<endl<<endl;

cout<<"Matrix is burn"<<endl<<endl;
Matr Matr0(row, col);
Matr0.Init();
Matr0.Print();
cout<<endl<<endl<<"Deleting Matrix"<<endl<<endl;
Matr0.Del(5);
Matr0.Print();

cout<<endl<<endl<<"Adding Matrix"<<endl<<endl;
Matr0.Add(3);
Matr0.Print();

getch();
return 0;
}