cppOddEvenArrElemSumAdvanced

#include <iostream>
#include <chrono>


int main()
{
    const int arrSize{ 10 };
    int arr[arrSize]{ 4,1,2,7,9,0,1,4,7,2 }; //12 even, 25 odd

    enum sums{even, odd, size};
    int sum[sums::size]{};

//    for (int i{ 0 }; i < arrSize; sum[arr[i] % 2] += arr[i], ++i);
    for (int i{ 0 }; i < arrSize; ++i)
    {
        //arr[i] % 2 ? sum[sums::odd] += arr[i] : sum[sums::even] += arr[i];
        //arr[i] % 2 ? sum[1] += arr[i] : sum[0] += arr[i];
        sum[arr[i] % 2] += arr[i];
    }

    std::cout << "Summ of even array elements is: " << sum[sums::even] << '\n';
    std::cout << "Summ of odd array elements is: " << sum[sums::odd] << '\n';

    return 0;
}

//int main()
//{
//    const int arrSize{ 10 };
//    int arr[arrSize]{ 4,1,2,7,9,0,1,4,7,2 }; //12 even, 25 odd
//
//    int sumEven{ 0 };
//    int sumOdd{ 0 };
//
//    for (int i{ 0 }; i < arrSize; ++i)
//    {
//        arr[i] % 2 ? sumOdd += arr[i] : sumEven += arr[i];
//    }
//
//    std::cout << "Summ of even array elements is: " << sumEven << '\n';
//    std::cout << "Summ of odd array elements is: " << sumOdd << '\n';
//
//    return 0;
//}