c 2b 2b allocate and free dynamic 2d array

1// allocate
2int** matrix = new int*[rowCount];
3for(int i = 0; i < rowCount; i++)
4    matrix[i] = new int[colCount];
5
6// free
7for(int i = 0 ; i < rowCount; i++)
8    delete[] matrix[i];	// delete array within matrix
9delete[] matrix;	// delete actual matrix