Можете пожалуста проверить правильно ли написана программа

[Ксения love]

Задача1: Найти и составить и отнять две матрици А и Б с одинаковой размерностью m x n за формулами:
cij=aij+bij; dij=aij−bij; де i=1,2,....m, j=1,2,....n.

#include <QtCore/QCoreApplication>
#include <cstdlib>
#include <iostream>
#include <stdio.h>
#include <math.h>

using namespace std;

int main(int argc, char *argv[])
{
    int m,n = 0;

    cout << "Enter the number of rows: ";
    cin >> m;
    cout << "\n\n";
    cout << "Enter the number of columns: ";
    cin >> n;
    cout << "\n\n";

    if ( m > 0 && n > 0 )
    {
        int A [m][n];
        int B [m][n];
        int C [m][n];
        int D [m][n];
        cout << "Matrix A: ";
        cout << "\n\n";
        int buf;
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                printf("Element A[%i][%i]: ",i,j);
                cin>>buf;
                A[i][j] = buf;
                cout<<"\n";
            }
        }
        cout << "Matrix B: ";
        cout << "\n\n";
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                printf("Element B[%2i][%2i]: ",i,j);
                cin>>buf;
                B[i][j] = buf;
                cout << "\n\n";
            }
        }
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                C[i][j] = A[i][j] + B[i][j];
            }
        }
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                D[i][j] = A[i][j] - B[i][j];
            }
        }

        //print
        cout << "Matrix A:\n";
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                printf("%i  ",A[i][j]);
            }
            cout << "\n";
        }
        cout << "Matrix B:\n";
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                printf("%i  ",B[i][j]);
            }
            cout<<"\n";
        }
        cout << "Matrix C(A+B):\n";
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                printf("%i  ",C[i][j]);
            }
            cout<<"\n";
        }
        cout << "Matrix D(A-B):\n";
        for ( int i = 0; i < m; i++ )
        {
            for (int j = 0; j < n; j++ )
            {
                printf("%i  ",D[i][j]);
            }
            cout<<"\n";
        }



    }
    else
    {
        cout << "Error!";
        return -1;
    }

    //QCoreApplication a(argc, argv);
    


    return 0;
    //return a.exec();
}

[Stilet]

А что мешает ее запустить и проверить?