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

int main() {
    string s1;
    cout << "s1: " << s1 << endl;//OUTPUT: s1:
    
    string s2("al doilea string");
    cout << "s2: " << s2 << endl;//OUTPUT: s2: al doilea string
    
    string s3(s2);
    cout << "s3, copia celui de-al doilea string: " << s3 << endl;
    //OUTPUT: s3, copia celui de-al doilea string: al doilea string
    
    string s4(5, 'o');
    cout << "s4: " << s4;//OUTPUT: s4: ooooo
    
    string  s5 = "al 5-lea";//Observam ca operator= este supradefinit pentru tipul de date string
    cout << "s5: " << s5 << endl;//OUTPUT: s5: al 5-lea
    
    string s6(s5, 3, 5);
    cout << "s6: " << s6;//OUTPUT: 5-lea
    
    string s7(s5, 3, 10);//se opreste la ultimul caracter din s5
    cout << "s7: " << s7;//OUTPUT: 5-lea
    
    return 0;
}