Alocação Dinâmica - Matriz MxN

#include<stdio.h>
#include <conio.h>
#include <stdlib.h>


main ()
{


    int **M;
    int i, j, m, n;



    printf ("\n Numero de linhas: ");
    scanf ("%d", &m);
    printf ("\n Numero de colunas: ");
    scanf ("%d", &n);

    M = (int**) malloc (m * sizeof (int*));

    for (int i=0; i<m; i++)
    { M[i] = (int *) malloc (n*sizeof (int));
    }


    for (i=0; i<m; i++){
    for (j=0; j<n; j++)
    {
        printf ("\n [%d][%d] = ", i, j);
        scanf ("%d", &M[i][j]);
    }}

        for (i=0; i<m; i++){
    for (j=0; j<n; j++)
    {
        printf ("\n [%d][%d] = %d ", i, j, M[i][j]);

    }}


    getch ();
    return 0;

}