cppArrReverse

#include <iostream>

int main()
{
    const int arrSize{ 10 };
    int arr[arrSize]{1,2,3,4,5,6,7,8,9,10};
    int tmp{ 0 };

    for (int head{ 0 }, tail{ arrSize - 1 }; head<tail; ++head, --tail)
    {
        tmp = arr[head];
        arr[head] = arr[tail];
        arr[tail] = tmp;
    }
    std::cout << '\n';

    for (int i{ 0 }; i < arrSize; ++i)
    {
        std::cout << arr[i] << ' ';
    }
    std::cout << '\n';

    return 0;
}