2D dynamic array in C++

//http://www.youtube.com/user/thecplusplusguy
#include <iostream>

int main()
{
    //create a 2D dynamic array, a 2D dynamic array is an array of array (3D is an array of array of array...)
    int rows=5;
    int cols=10;
    int **array=new int*[rows];
    for(int i=0;i<rows;i++)
        array[i]=new int[cols];

    //access a 2D dynamic array
    for(int i=0;i<rows;i++)
        for(int j=0;j<cols;j++)
            array[i][j]=i+j;

    //write out a 2D dynamic array
    for(int i=0;i<rows;i++)
    {
        for(int j=0;j<cols;j++)
            std::cout << array[i][j] << ' ';
        std::cout << std::endl;
    }

    //delete a 2D dynamic array
    for(int i=0;i<rows;i++)
        delete[] array[i];
    delete[] array;
}