cppArrayBasics

#include <iostream>

int main()
{
    const int daysCount{ 7 };
    int days[daysCount];

    const int arrSize{ 5 };
    int arr[arrSize]{56, 25, 34, 0, 0};


    int arr0;//25
    int arr1;//12
    int arr2;//89
    int arr3;//100
    int arr4;//44

    //mem([2 ][6 ] [10][14][18][24][30] [34][38])
    //arr([??][??] [56][25][34][0 ][0 ] [??][??])
    //arr([-2][-1] [ 0][1 ][2 ][3 ][4 ] [5 ][6 ])
    //mem([-8][-4] [0 ][4 ][8 ][12][16] [20][24])

    int idx{/*some complex expression with unpredictable int result */ };

    if (idx >= 0 and idx <= arrSize)
    {
        arr[idx] = 333;
    }


    int index{ 0 };

    /*arr[index++] = 56;
    arr[index++] = 25;
    arr[index++] = 34;
    arr[index++] = 0;
    arr[index++] = 0;*/

    arr0 = 56;
    arr1= 25;
    arr2 = 34;
    arr3 = 0;
    arr4 = 0;

    //index = 0;
    //std::cout << arr[index++] << '\n';
    //std::cout << arr[index++] << '\n';
    //std::cout << arr[index++] << '\n';
    //std::cout << arr[index++] << '\n';
    //std::cout << arr[index++] << '\n';

    for (int index{ 0 }; index < arrSize; ++index)
    {
        //if (index >= 0 and index <= arrSize)
        //{
        //    std::cout << arr[index] << '\n';
        //}

        std::cout << arr[index] << '\n';
    }

    std::cout << arr0 << '\n';
    std::cout << arr1 << '\n';
    std::cout << arr2 << '\n';
    std::cout << arr3 << '\n';
    std::cout << arr4 << '\n';

    //{ 6, 1, 4, 2, 8, 9, 11, 3, 2, 1 };

    //int date{ 2607 };
    int day{ (26,12)};
    day = 17;

    int month{ 7 };

    return 0;
}