#include <iostream.h>
#include <unistd.h>    //For getpid()

extern "C" {int rand();
            void srand();}  //Tells compiler rand() & srand() 
                            //is external C code

const LIMIT=100;

main()
{
srand(getpid());  //Give the random number generator a seed
bool cont=true;
cout<<"Welcome to Alan's guessing game!\n\n";
int total = 0;
int plays = 0;
while (cont) {
   cout<<"I am thinking of a number between 1 and 100...."<<endl;
   int guess=0;
   int num=(rand() % LIMIT) + 1;
   int count=1;
   while (guess!=num) {
      cout<<"Guess # "<<count<<":";
      cin>>guess;
      count++;
      total++;
      if (guess!=num) {
         if (guess > num)
            cout<<"Lower!"<<endl;
         else
            cout << "Higher!"<<endl;
      }
   }
   plays++;
   if (guess!=num) 
      cout<<"You missed it, my number was "<<num<<"."<<endl;
   else
   cout<<"Right...you got it!!"<<endl;
   cout << "After " << plays << " games, your average number of guesses "
        << "is " << total/float(plays) << endl;
   cout<<"Play again? (y/n) :";
   char again;
   cin>> again;
   if (again!='y' && again!='Y')
      cont=false;
   cout<<endl;
   }
cout<<"Thanks for playing...."<<endl;
}