RosettaCodeData/Task/Penneys-game/C++/penneys-game.cpp

87 lines
1.8 KiB
C++

#include <time.h>
#include <iostream>
#include <string>
using namespace std;
class penney
{
public:
penney()
{ pW = cW = 0; }
void gameLoop()
{
string a;
while( true )
{
playerChoice = computerChoice = "";
if( rand() % 2 )
{ computer(); player(); }
else
{ player(); computer(); }
play();
cout << "[Y] to play again "; cin >> a;
if( a[0] != 'Y' && a[0] != 'y' )
{
cout << "Computer won " << cW << " times." << endl << "Player won " << pW << " times.";
break;
}
cout << endl << endl;
}
}
private:
void computer()
{
if( playerChoice.length() == 0 )
{
for( int x = 0; x < 3; x++ )
computerChoice.append( ( rand() % 2 ) ? "H" : "T", 1 );
}
else
{
computerChoice.append( playerChoice[1] == 'T' ? "H" : "T", 1 );
computerChoice += playerChoice.substr( 0, 2 );
}
cout << "Computer's sequence of three is: " << computerChoice << endl;
}
void player()
{
cout << "Enter your sequence of three (H/T) "; cin >> playerChoice;
}
void play()
{
sequence = "";
while( true )
{
sequence.append( ( rand() % 2 ) ? "H" : "T", 1 );
if( sequence.find( playerChoice ) != sequence.npos )
{
showWinner( 1 );
break;
}
else if( sequence.find( computerChoice ) != sequence.npos )
{
showWinner( 0 );
break;
}
}
}
void showWinner( int i )
{
string s;
if( i ) { s = "Player wins!"; pW++; }
else { s = "Computer wins!"; cW++; }
cout << "Tossed sequence: " << sequence << endl << s << endl << endl;
}
string playerChoice, computerChoice, sequence;
int pW, cW;
};
int main( int argc, char* argv[] )
{
srand( static_cast<unsigned>( time( NULL ) ) );
penney game; game.gameLoop();
return 0;
}