#include <iostream>
using namespace std;

class Robot{
   public:
      Robot();
      ~Robot();
      static int TotalHPLeft() { return TotalHP; };
      int getHP() { return leftHP; };
      bool is_alive() { return leftHP>0; };
      void got_hit() { leftHP--; };
   private:
      static int TotalHP;
      int initHP;
      int leftHP;
};

int Robot::TotalHP = 30;

Robot::Robot()
{
   int r = rand()%5 + 1;
   if( r <= TotalHP ){
      initHP = leftHP = r;
      TotalHP -= r;
   }
   else if( TotalHP > 0 ){
      initHP = leftHP = TotalHP;
      TotalHP = 0;
   }
}

Robot::~Robot()
{
   TotalHP += initHP;
}


void main()
{
   Robot *robot[30];
   int    n = 0;
   int    target;

   while( Robot::TotalHPLeft() ){
      robot[n] = new Robot();
      cout<<"Created robot #"<<n
          <<" with "<<robot[n]->getHP()
          <<"HP. Total HP left: "<<Robot::TotalHPLeft()<<endl;
      n++;
   }

   cout<<"\nLet's start hunting the robots ...\n";

   while( Robot::TotalHPLeft() < 30 ){
      target = rand() % n;
      if( robot[target] ){
         cout<<"\nRobot #"<<target<<" got hit.";
         robot[target]->got_hit();
         if( ! robot[target]->is_alive() ){
            delete robot[target];
            robot[target] = NULL;
            cout<<" Poor thing is Killed.";
         }
      }
      else{
         cout<<"\nMissed.";
      }
   }
}