// This program uses the return value of strcmp to
// alphabetically sort two strings entered by the user.
#include <iostream>
#include <cstring>              //also wrong in textbook
using namespace std;

int main()
{
   // Two arrays to hold two strings.
   const int NAME_LENGTH = 30;
   char name1[NAME_LENGTH], name2[NAME_LENGTH];

   // Read two strings.
   cout << "Enter a name (last name first): ";
   cin.getline(name1, NAME_LENGTH);
   cout << "Enter another name: ";
   cin.getline(name2, NAME_LENGTH);

   // Print the two strings in alphabetical order.
   cout << "Here are the names sorted alphabetically:\n";
   if (strcmp(name1, name2) < 0)
      cout << name1 << endl << name2 << endl;
   else if (strcmp(name1, name2) > 0)
      cout << name2 << endl << name1 << endl;
   else
      cout << "You entered the same name twice!\n";

   return 0;
}