#include <iostream>

#include <string>

#include <iterator>

#include <vector>

#include <algorithm>

void output(const std::string & s){std::cout << s << " ";}

int main()

{

    using namespace std;

    string s1[4]={"fine", "fish", "fashion", "fate"};

    string s2[2]={"busy", "bats"};

    string s3[2]={"silly", "singers"};

    vector<string> words(4);

    copy(s1,s1+4,words.begin());

    for_each(words.begin(),words.end(),output);

    cout << endl;

    copy(s2,s2+2,back_insert_iterator<vector<string> >(words));

    for_each(words.begin(),words.end(),output);

    cout << endl;

    copy(s3,s3+2,insert_iterator<vector<string> >(words,words.begin()));

    for_each(words.begin(),words.end(),output);

    cout << endl;

    return 0;

}