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  1. -module(prog).
  2. -export([main/0, play/1]).
  3.  
  4. -define(RULES, [{spock, [scissors, stone]},
  5. 				{lizard, [spock, paper]},
  6. 				{paper, [spock, stone]},
  7. 				{stone, [lizard, scissors]},
  8. 				{scissors, [lizard, paper]}]).
  9.  
  10.  
  11. main() ->
  12. 	play(spock),
  13. 	play(pizda_tvoei_mamki),
  14. 	play(scissors),
  15. 	play(scissors).
  16.  
  17.  
  18. play(Item) ->
  19. 	Members = proplists:get_keys(?RULES),
  20. 	case lists:member(Item, Members) of
  21. 		false ->
  22. 			io:format("Wrong item passed ~n");
  23. 		_ ->
  24. 			random:seed(now()),
  25. 			EnemyItem = lists:nth(random:uniform(length(Members)), Members),
  26. 			case fight(Item, EnemyItem) of
  27. 				draw ->
  28. 					io:format("Draw ~n");
  29. 				{win, Item} ->
  30. 					io:format("You win with ~p against ~p~n", [Item, EnemyItem]);
  31. 				_ ->
  32. 					io:format("You loose with ~p against ~p~n", [Item, EnemyItem])
  33. 			end
  34. 	end.
  35.  
  36.  
  37. fight(X, X) -> draw;
  38. fight(X, Y) -> 
  39. 	case lists:member(Y, proplists:get_value(X, ?RULES)) of
  40. 		true ->
  41. 			{win, X};
  42. 		_ ->
  43. 			{win, Y}
  44. 	end.
Success #stdin #stdout 0.22s 8448KB
comments (?)
stdin
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Standard input is empty
stdout
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You loose with spock against paper
Wrong item passed 
You loose with scissors against stone
You loose with scissors against stone
https://ideone.com/oZUjEy
language:
Erlang (erl 21.3.8)
created:
11 years ago
visibility:
public

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