I've been obsessing with Tic Tac Toe recently, with my post of a bot that plays best-defense against a human player. Along the way I bumped into this thread from 4 years ago, which shows a somewhat golfed and obfuscated script that plays two humans.
Standard Tic Tac Toe rules must be followed (e.g., the board is 3x3, each square can be played only once, X and O alternate turns.)
A representation of the current game state (the board) must be displayed after each turn. This can take any form that is understandable. (Mine is the squares being numbered 1 through 9 and displayed on a 3x3 console grid)
An indicator of who's (X or O) turn it is must be displayed before each turn.
A mechanism to accept and validate input must be provided (e.g., it's X's turn until he picks a legal square).
A winning move must exit the game and display who won.
A "cat" game (tie) must exit and display "Tie" or "Cat" after the last square has been played.
I posted my own entry, but wasn't satisfied with it. After some more tinkering and an epiphany or two, I came up with this, measuring in at 159 characters:
The challenge: Create a script that follows the rules below, in as few characters as possible.$_="123 456 789 147,258,369,159,357";$p=X;sub d{/.{12}/s;print$&.$p;die$_ for@_} n:d;$m=<>until$m=~/\d/&&s/$&/$p/g;/$p{3}/?d$p:!/\d/?d"Tie":$p=~y/XO/OX +/;goto n
Rules:
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Re: (Golf) Tic Tac Toe
by ambrus (Abbot) on Jun 06, 2004 at 22:08 UTC | |
by jdhawke (Acolyte) on Jun 06, 2004 at 23:55 UTC | |
by QM (Parson) on Jun 06, 2004 at 23:56 UTC | |
by thospel (Hermit) on Jun 07, 2004 at 18:14 UTC | |
Re: (Golf) Tic Tac Toe
by belg4mit (Prior) on Jun 07, 2004 at 04:22 UTC | |
Re: (Golf) Tic Tac Toe
by Anonymous Monk on Jun 07, 2004 at 16:05 UTC | |
by thospel (Hermit) on Jun 07, 2004 at 16:17 UTC | |
by thospel (Hermit) on Jun 07, 2004 at 16:24 UTC | |
by thospel (Hermit) on Jun 07, 2004 at 17:11 UTC | |
by delirium (Chaplain) on Jun 08, 2004 at 11:52 UTC |
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Obfuscated Code