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#include <IOStream.h>
//Base Class 
class Player {
 
public:
    virtual int getGuess(){
    return 0;
  }
}
 
//Human Class to accept the value from human by using getGuess() method
class HumanPlayer : public Player {
 
public:
int getGuess(){
	cout<<"Guess the number"
	int guess;
	cin>>guess;
	return guess;
	}
}
 
 
// Class to choose the value by Computer by using getGuess() method
class ComputerPlayer : public Player {
 
public:
int getGuess(){
	int guess2=rand()%100;
            return guess2;
	}
}
 
 
class GamePlay {
 
bool checkForWin( int guess, int answer ) 
{ 
	cout<< “You guessed ” << guess << “.”; 
	if ( answer == guess ) 
   	{ 
		cout<< “You’re right! You win!” <<endl; 
		return true; 
   	} 
	else if (answer < guess ) 
	cout<< “Your guess is too high.” <<endl; 
	else
	cout<< “Your guess is too low.”  <<endl; 
	return false; 
} 
 
 
 
void play( Player &player1, Player &player2 ) 
{ 
	int answer = 0, guess = 0; 
	answer = rand( ) % 100;   // requires <cstdlib>
	bool win = false; 
 
	while( !win ) 
   	      { 
	           cout<< “Player 1’s turn to guess.” <<endl; 
		guess = player1.getGuess(); 
		win = checkForWin( guess, answer ); 
		if ( win ) return; 
		cout<< “Player 2’s turn to guess.” <<endl; 
		guess = player2.getGuess(); 
		win = checkForWin( guess, answer ); 
   	       } 
}  
 
char ch;
 
 int main() {
 
 
    cout<<"choose 1 :playing game between Human and Computer"
    cout<<"choose 2 :playing game between computer and Computer"
    cout<<"choose 3 :playing game between Human and Computer"    
 
    switch(ch) {
     case '1' :
                         HumanPlayer player1;
                         ComputerPlayer player2;
                         GamePlay gp;        
                         gp.play(player1,player2);
                         break;
 
     case '2' :
                         ComputerPlayer player1;
                         ComputerPlayer player2;
                         GamePlay gp;        
                         gp.play(player1,player2);
                         break;
 
 
 
     case '3' :
                         HumanPlayer player1;
                         HumanPlayer player2;
                         GamePlay gp;        
                         gp.play(player1,player2);
                         break;
     default:  cout<<"u are not specified the correct option"
 
}
 
 }

prog.cpp:2:22: error: IOStream.h: No such file or directory
prog.cpp:40: error: stray ‘\342’ in program
prog.cpp:40: error: stray ‘\200’ in program
prog.cpp:40: error: stray ‘\234’ in program
prog.cpp:40: error: stray ‘\342’ in program
prog.cpp:40: error: stray ‘\200’ in program
prog.cpp:40: error: stray ‘\235’ in program
prog.cpp:40: error: stray ‘\342’ in program
prog.cpp:40: error: stray ‘\200’ in program
prog.cpp:40: error: stray ‘\234’ in program
prog.cpp:40: error: stray ‘\342’ in program
prog.cpp:40: error: stray ‘\200’ in program
prog.cpp:40: error: stray ‘\235’ in program
prog.cpp:43: error: stray ‘\342’ in program
prog.cpp:43: error: stray ‘\200’ in program
prog.cpp:43: error: stray ‘\234’ in program
prog.cpp:43: error: stray ‘\342’ in program
prog.cpp:43: error: stray ‘\200’ in program
prog.cpp:43: error: stray ‘\231’ in program
prog.cpp:43: error: stray ‘\342’ in program
prog.cpp:43: error: stray ‘\200’ in program
prog.cpp:43: error: stray ‘\235’ in program
prog.cpp:47: error: stray ‘\342’ in program
prog.cpp:47: error: stray ‘\200’ in program
prog.cpp:47: error: stray ‘\234’ in program
prog.cpp:47: error: stray ‘\342’ in program
prog.cpp:47: error: stray ‘\200’ in program
prog.cpp:47: error: stray ‘\235’ in program
prog.cpp:49: error: stray ‘\342’ in program
prog.cpp:49: error: stray ‘\200’ in program
prog.cpp:49: error: stray ‘\234’ in program
prog.cpp:49: error: stray ‘\342’ in program
prog.cpp:49: error: stray ‘\200’ in program
prog.cpp:49: error: stray ‘\235’ in program
prog.cpp:63: error: stray ‘\342’ in program
prog.cpp:63: error: stray ‘\200’ in program
prog.cpp:63: error: stray ‘\234’ in program
prog.cpp:63: error: stray ‘\342’ in program
prog.cpp:63: error: stray ‘\200’ in program
prog.cpp:63: error: stray ‘\231’ in program
prog.cpp:63: error: stray ‘\342’ in program
prog.cpp:63: error: stray ‘\200’ in program
prog.cpp:63: error: stray ‘\235’ in program
prog.cpp:67: error: stray ‘\342’ in program
prog.cpp:67: error: stray ‘\200’ in program
prog.cpp:67: error: stray ‘\234’ in program
prog.cpp:67: error: stray ‘\342’ in program
prog.cpp:67: error: stray ‘\200’ in program
prog.cpp:67: error: stray ‘\231’ in program
prog.cpp:67: error: stray ‘\342’ in program
prog.cpp:67: error: stray ‘\200’ in program
prog.cpp:67: error: stray ‘\235’ in program
prog.cpp: In member function ‘virtual int HumanPlayer::getGuess()’:
prog.cpp:17: error: ‘cout’ was not declared in this scope
prog.cpp:18: error: expected `;' before ‘int’
prog.cpp:19: error: ‘cin’ was not declared in this scope
prog.cpp:19: error: ‘guess’ was not declared in this scope
prog.cpp: In member function ‘virtual int ComputerPlayer::getGuess()’:
prog.cpp:30: error: ‘rand’ was not declared in this scope
prog.cpp: At global scope:
prog.cpp:109: error: expected `}' at end of input
prog.cpp: In member function ‘bool GamePlay::checkForWin(int, int)’:
prog.cpp:40: error: ‘cout’ was not declared in this scope
prog.cpp:40: error: ‘You’ was not declared in this scope
prog.cpp:40: error: expected `;' before ‘guessed’
prog.cpp:43: error: expected `;' before ‘re’
prog.cpp:47: error: ‘Your’ was not declared in this scope
prog.cpp:47: error: expected `;' before ‘guess’
prog.cpp:49: error: ‘Your’ was not declared in this scope
prog.cpp:49: error: expected `;' before ‘guess’
prog.cpp: In member function ‘void GamePlay::play(Player&, Player&)’:
prog.cpp:58: error: ‘rand’ was not declared in this scope
prog.cpp:63: error: ‘cout’ was not declared in this scope
prog.cpp:63: error: expected primary-expression before numeric constant
prog.cpp:63: error: expected `;' before numeric constant
prog.cpp:67: error: expected primary-expression before numeric constant
prog.cpp:67: error: expected `;' before numeric constant
prog.cpp: In member function ‘int GamePlay::main()’:
prog.cpp:78: error: ‘cout’ was not declared in this scope
prog.cpp:79: error: expected `;' before ‘cout’
prog.cpp:109: warning: no return statement in function returning non-void
prog.cpp: At global scope:
prog.cpp:109: error: expected unqualified-id at end of input

Standard output is empty