Passing a 2D array to a C++ function

There are three ways to pass a 2D array to a function:

  1. The parameter is a 2D array

    int array[10][10];
    void passFunc(int a[][10])
    {
        // ...
    }
    passFunc(array);
    
  2. The parameter is an array containing pointers

    int *array[10];
    for(int i = 0; i < 10; i++)
        array[i] = new int[10];
    void passFunc(int *a[10]) //Array containing pointers
    {
        // ...
    }
    passFunc(array);
    
  3. The parameter is a pointer to a pointer

    int **array;
    array = new int *[10];
    for(int i = 0; i <10; i++)
        array[i] = new int[10];
    void passFunc(int **a)
    {
        // ...
    }
    passFunc(array);
    

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