#include <iostream>
#include <string>
#include <vector>
#include <cctype>
#include <cstdlib>
#include <stdexcept>
#include <initializer_list>

using namespace std;

string s[10] = {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j"};

string (&f(int i))[10]
{
        return s;
}

int main(int argc, char *argv[])
{
        auto x = f(0);

        for (const auto it : *x)
                cout << it << " ";
        cout << endl;
}