oop

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
using namespace std;

void fill(vector<string>& vec)
{
    string buffer;
    cout << "Baga cuvinte neamule (nimic si enter daca vrei sa iesi din tiganie).\n";
    do {
        getline(cin, buffer);
        vec.push_back(buffer);
    } while (buffer.length());
    vec.pop_back();
}

void process(vector<string>& vec)
{
    sort(vec.begin(), vec.end());
}

void show(vector<string>& vec)
{
    cout << "Cuvintele in ordine lexicografica.\n";
    for (vector<string>::iterator it = vec.begin(); it != vec.end(); it++) {
        cout << *it << " ";
    }
    cout << "\n";
}

int main()
{
    vector<string> vec;
    fill(vec);
    process(vec);
    show(vec);
    return 0;
}