#include <vector>
#include <stdexcept>   // out_of_range
#include <iostream>
#include <string>
using namespace std;

int main(void) {
    vector<string> vs;

    vs.push_back("Ola");
    vs.push_back("Ula");
    vs.push_back("Ela");
    vs.push_back("Ala");
    vs.push_back("Kasia");
    vs.push_back("Ula");
    vs.push_back("Magdalena");
    try {
        for ( int i = 0; i < vs.size(); i++ )
            cout << vs.at(i) << " " ;
    } catch(out_of_range) {
        cout << "\n*** Zly indeks! *** "
            << " wektor ma tylko " << vs.size()
            << " elementy!" << endl;
    }
    cout << endl;

    for ( int i = 0; i < 4 /* BLAD */; i++ )
        cout << vs.at(i) << " " ;




    cout << "Pierwszy element: " << vs.front() << endl;
    cout << "Ostatni  element: " << vs.back()  << endl;

    //vs.pop_back();

    // cout << "Po pop_back: ";
    int size = (int)vs.size();



    //vs.erase( vs.begin() + 2 );



    for ( int i = 0; i < size; i++){
        if(vs[i]=="Ula"){
            vs.erase( vs.begin() +i );
            size--;

        }

    }





    for ( int i = 0; i < size; i++)
        cout << vs[i] << " " ;
    cout << endl;


    getchar();
    getchar();

}