Задача 7 Блока 1

#include <iostream>
using namespace std;
int main()
{
    int n;
    cin >> n;
    int* arr = new int[n];

    int current = ((n % 2 == 0) ? n - 2 : n - 1);
    int position = 0;
    while (current >= 0) {//Слева направо до 0
        arr[position] = current;
        current -= 2;
        position++;
    }
    position = n - 1;
    current = ((n % 2 == 0) ? n - 1 : n - 2);
    while (current >= 1) {//Справа налево до 1
        arr[position] = current;
        current -= 2;
        position--;
    }


    for (int i = 0; i < n; i++) {
        cout << i << " - " << arr[i] << endl;
    }

    delete[] arr;


}