[C/C++] Example / Double Pointer

//
//  main.cpp
//
//  Created by gchoi on 2014. 5. 20..
//  Copyright (c) 2014년 gchoi. All rights reserved.
//

#include <iostream>
#include <iomanip>

using namespace std;

void fill(int **p, int rowSize, int columnSize);
void print(int **p, int rowSize, int columnSize);


int main(int argc, const char * argv[])
{
    int** board;
   
    int rows;
    int columns;
   
    rows = 5;
    columns = 7;
   
    board = new int* [rows];
   
    for(int row = 0 ; row < rows ; row++) {
        board[row] = new int[columns];
    }
   
    fill(board, rows, columns);
    print(board, rows, columns);
   
    return 0;
}

void fill(int **p, int rowSize, int columnSize) {
    for (int row = 0; row < rowSize; row++)
        for (int col = 0; col < columnSize; col++)
            p[row][col] = row*col;
}

void print(int **p, int rowSize, int columnSize) {
    for (int row = 0; row < rowSize; row++)
        for (int col = 0; col < columnSize; col++)
            cout << "p[" << row << "]" << "[" << col << "] = " << p[row][col] << endl;
}