Верны ли мои записи.матрицы

 A=new double[M%2][N];
 for (i=0; i<=(M%2);i++)
 for (j=0; j<=N;j++)
{*(A+i*N+j)=rand() % 100;}
 
        cout<<" Matrica:\n";
    for ( i = 0; i < (M/2); i++) // вывод 
    {for ( j = 0; j < N; j++) 
     cout<<*(A+i*N+j)<<' ';
    printf("\n");
    }

 cin<<n;
 printf("\n");
 int x=pow(2,n);
A=new double[M/x][N];
 for (i=0; i<=(M/x);i++)
 for (j=0; j<=N;j++)
{*(A+i*N+j)=rand() % 100;}

#include <iostream>
#include <cmath>
#include<ctime>
using namespace std;
int main(int argc, char* argv[])
{
srand((unsigned int)time(0));
int what_range(1);
cout<<"What matrix range will be applied 1 - 2n * k  otherwise - 2^n * k ";
cin>>what_range;
int n, m, k, M, N;
if(what_range==1)
{
cout<<"Input n=M/2 ";
cin>>n;
m=2*n;
}
else
{
cout<<"Input n=log2(M) ";
cin>>n;
m=pow(2.0,n);
}
cout<<"Input k ";
cin>>k;
 M=m*k;
cout<<"Input N ";
cin>>N;
cout<<"Creating matrix "<<M<<"X"<<N<<endl;
double **diablo = new double * [M];
for(int i=0; i<M; ++i) diablo[i] = new double[N];
for(int i=0; i<M; ++i)
for(int j=0; j<N; ++j)
diablo[i][j]=rand()%100;
 
for(int i=0; i<M; ++i)
{
for(int j=0; j<N; ++j)
{
cout<<diablo[i][j]<<'\t';
}
cout<<endl;
}
cout<<endl;
system("pause");
return 0;
}