cppArrShiftNonZero

#include <iostream>


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

    int insertPos{ 0 };
    for (; arr[insertPos] != 0; ++insertPos);

    if (insertPos < arrSize)
    {
        //std::cout << "Found first zero index " << insertPos << '\n';
        for (int testPos{ insertPos + 1 }; testPos < arrSize; ++testPos)
        {
            if (arr[testPos] != 0)
            {
                arr[insertPos++] = arr[testPos];
            }
        }

        //for (; insertPos < arrSize; ++insertPos)
        //{
        //  arr[insertPos] = -1;
        //}
        for (; insertPos < arrSize; arr[insertPos++] = -1);
    }
    else
    {
        std::cout << "No ZEROES!!\n";
    }

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

    return 0;
}