#include <algorithm> // std::reverse_copy()
    #include <cstdint>   // std::int32_t
    #include <iostream>
    #include <iterator>  // std::ostream_iterator
    #include <vector>
 
    // you could use a typedef to save some typing
    // also to give more meaning to your vector
    typedef std::vector<int> SplitValues;
 
    SplitValues splitter(std::int32_t number)
    {
    	SplitValues values(8);
 
        // work on vector elements using iterators
        for (auto& iter : values)
        {
    	    iter = static_cast<int>(number & 0xF); // cast the C++ way
    	    number >>= 4; // shorter form
        }
 
        return values;
    }
 
    int main()
    {
        std::int32_t number = 432214123;
 
        // local vector assigned to one returned from function
    	SplitValues values = splitter(number);
 
        // display vector in reverse order using ostream iterator
        // this is done with one (wrapped) line and no loop
    	std::reverse_copy(values.begin(), values.end(),
            std::ostream_iterator<int>(std::cout, " "));
    }

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