#include <iostream>

using namespace std;
//ARRAYS
main()
{
    int a;

    //int a,b,c,d,e,f,g,h,i,j;

    //int var1,var2,var3,var4,var5...
    int x[100];
    int array[4]; //TYPE NAME[SIZE_NR_OF_ELEMENTS];

    array[0] = 10;
    array[1] = 50;
    array[2] = 256;
    array[3] = 512;
    //array[4] = 125125; we can't do it

    /*
        0 1 2 3 4 5 6 7 8 9 a b c d e f

        1 2 a = 1 * 16 ^ 2 + 2 * 16 ^ 1 + a * 16 ^ 0 = 256 + 32 + 10 = 298
    */

    cout << "array [0] = " << array[0] << ", address: " << &array[0] << endl;
    cout << "array [1] = " << array[1] << ", address: " << &array[1] <<  endl;
    cout << "array [2] = " << array[2] << ", address: " << &array[2] <<  endl;
    cout << "array [3] = " << array[3] << ", address: " << &array[3] <<  endl;

    cout << "array [0] = " << array[0] << ", address: " << array << endl;

    if (&array[0] == array)
        cout << "thats true";
}

#include <iostream>

using namespace std;
//multidimensional arrays
main()
{
    int biArray[3][4] = {0};
    //int biArray[2][3][2];


    cout << &biArray[0] << endl;
    cout << &biArray[0][0] << endl;
    cout << &biArray[0][1] << endl;
    cout << &biArray[0][2] << endl;
    cout << &biArray[0][3] << endl;
    cout << &biArray[1] << endl;
    cout << &biArray[1][0] << endl;
    cout << &biArray[1][1] << endl;

}

#include <iostream>

using namespace std;

main ()
{
    int arr[3][3];
    int xCoordinate, yCoordinate;

    arr[0][0] = 5;
    arr[0][1] = 3;
    arr[0][2] = 2;
    arr[1][0] = 1;
    arr[1][1] = 4;
    arr[1][2] = 15;
    arr[2][0] = 123;
    arr[2][1] = 12;
    arr[2][2] = 42;

    cout << "Input x coordinate: ";
    cin >> xCoordinate;

    cout << "Input y coordinate: ";
    cin >> yCoordinate;

    cout << arr[xCoordinate-1][yCoordinate-1];

}