cppTwoSmallOneBigCompared

#include <iostream>


int main()
{
    const int arrSmallSize{ 5 };
    const int arrBigSize{ arrSmallSize * 2 };

    enum Conditions {greater, equal, less, maxConditions};

    int arrSmallA[arrSmallSize]{1,-4,-5,0,2};
    int arrSmallB[arrSmallSize]{-5,0,7,4,-1};
    int arrBig[arrBigSize]{}; //1 7 2 4 0 0 -5 -4 -5 -1
    int bigIdx{ 0 };


    for (int i{ 0 }; i < arrSmallSize; ++i) { std::cout << arrSmallA[i] << '\t'; } std::cout << '\n';
    for (int i{ 0 }; i < arrSmallSize; ++i) { std::cout << arrSmallB[i] << '\t'; } std::cout << '\n';

    //for (int smallIdx{ 0 }; smallIdx < arrSmallSize; ++smallIdx)
    //{
    //  if (arrSmallA[smallIdx] > 0) { arrBig[bigIdx++] = arrSmallA[smallIdx]; }
    //  if (arrSmallB[smallIdx] > 0) { arrBig[bigIdx++] = arrSmallB[smallIdx]; }
    //}

    //for (int smallIdx{ 0 }; smallIdx < arrSmallSize; ++smallIdx)
    //{
    //  if (arrSmallA[smallIdx] == 0) { arrBig[bigIdx++] = arrSmallA[smallIdx]; }
    //  if (arrSmallB[smallIdx] == 0) { arrBig[bigIdx++] = arrSmallB[smallIdx]; }
    //}

    //for (int smallIdx{ 0 }; smallIdx < arrSmallSize; ++smallIdx)
    //{
    //  if (arrSmallA[smallIdx] < 0) { arrBig[bigIdx++] = arrSmallA[smallIdx]; }
    //  if (arrSmallB[smallIdx] < 0) { arrBig[bigIdx++] = arrSmallB[smallIdx]; }
    //}


    for (int condition{ 0 }; condition < Conditions::maxConditions; ++condition)
    {
        for (int smallIdx{ 0 }; smallIdx < arrSmallSize; ++smallIdx)
        {
            if (condition == Conditions::greater)
            {
                if (arrSmallA[smallIdx] > 0) { arrBig[bigIdx++] = arrSmallA[smallIdx]; }
                if (arrSmallB[smallIdx] > 0) { arrBig[bigIdx++] = arrSmallB[smallIdx]; }
            }
            else if (condition == Conditions::equal)
            {
                if (arrSmallA[smallIdx] == 0) { arrBig[bigIdx++] = arrSmallA[smallIdx]; }
                if (arrSmallB[smallIdx] == 0) { arrBig[bigIdx++] = arrSmallB[smallIdx]; }
            }
            else if (condition == Conditions::less)
            {
                if (arrSmallA[smallIdx] < 0) { arrBig[bigIdx++] = arrSmallA[smallIdx]; }
                if (arrSmallB[smallIdx] < 0) { arrBig[bigIdx++] = arrSmallB[smallIdx]; }
            }
        }
    }


    for (int bigIdx{ 0 }; bigIdx < arrBigSize; ++bigIdx) { std::cout << arrBig[bigIdx] << '\t'; } std::cout << '\n';

    return 0;
}