Array – Two Dimensional Array

/*
  Arrays
  - Two Dimensional Arrays AKA [2D Array]

  Search For
  - Matrix Operations
  - 3D Array
*/

#include <iostream>
using namespace std;

int main()
{
  int points_a[3] = {1, 2, 3};
  int points_b[3] = {4, 5, 6};
  int points_c[3] = {7, 8, 9};

  // Good Practice

  const int rows = 3;
  const int columns = 3;
  int points[rows][columns] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
  cout << points[1][2] << "\n"; // 6
  cout << points[2][0] << "\n"; // 7
  cout << points[2][2] << "\n"; // 9

  // Bad Practice
  // int points[3][3] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
  // cout << points[1][2] << "\n"; // 6
  // cout << points[2][0] << "\n"; // 7
  // cout << points[2][2] << "\n"; // 9

  return 0;
}