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

int main()
{
    string Hand = "Have a nice day";
    string hand = "have a nice day";
    string Have = "Have";
    string nice = "nice";

    cout << Hand.compare(Hand) << endl;
    cout << Hand.compare(hand) << endl;
    cout << Hand.compare(Have) << endl;
    cout << string("ABC").compare("ABD") << endl;
    cout << Hand.compare(7,4,nice) << endl;
    cout << Hand.compare(1,string::npos,hand,1,string::npos) << endl;
    cout << Have.compare(Have.c_str()) << endl << endl;

    char array[16];
    Hand.copy(array,4);
    cout << array << endl;

    cout << Hand.substr(5) << endl;
    cout << Hand.substr(5,6) << endl;
}