Exer03_39.cpp

#include <iostream>
#include <string>
#include <cstring>
using std::cout;
using std::cin;
using std::endl;
using std::string;
int main()
{
    string st1 = "Like a thunderbolt he falls.";
    string st2 = "Do not go gentle into that good night.";
    if(st1 > st2)
        cout << "st1 is larger than st2." << endl;
    else if(st1 < st2)
        cout << "st1 is larger than st2." << endl;
    else
        cout << "st1 is equal to st2." << endl;
    char st3[] = {'T', 'e', 'n', 'd', 'e', 'r', '\0'};
    // If we do not add a null terminator, there'll be potential problems.
    // Keep it in mind.
    char st4[] = "Is The Night";
    if(strcmp(st3, st4) > 0)
        cout << "st3 is larger than st4." << endl;
    else if(strcmp(st3, st4) < 0)
        cout << "st3 is larger than st4." << endl;
    else
        cout << "st3 is equal to st4." << endl;
    return 0;
}