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  1. color(赤).
  2. color(青).
  3. color(緑).
  4. color_map(Kngw, Trm, Kohk, Midr, Hdg, Nish, Tzk) :-
  5.     color(Kngw),
  6.     color(Trm),
  7.     color(Kohk),
  8.     color(Midr),
  9.     color(Hdg),
  10.     color(Nish),
  11.     color(Tzk),
  12.  
  13.     Kngw \= Trm,
  14.     Kngw \= Kohk,
  15.     Kngw \= Midr,
  16.     Kngw \= Hdg,
  17.     Kngw \= Nish,
  18.  
  19.     Trm \= Kohk,
  20.     Kohk \= Tzk,
  21.     Midr \= Tzk,
  22.     Midr \= Hdg,
  23.     Hdg \= Nish.
  24.  
  25. :- initialization(
  26.     ( color_map(Kngw, Trm, Kohk, Midr, Hdg, Nish, Tzk) ->
  27.       format('塗り分け可能~n')
  28.     ;
  29.       format('塗り分け不可~n')
  30.     )
  31. ).
Success #stdin #stdout #stderr 0.04s 7024KB
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stdin
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Standard input is empty
stdout
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塗り分け可能
stderr
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Warning: /home/bKdfMH/prog:25:
	Singleton variables: [Kngw,Trm,Kohk,Midr,Hdg,Nish,Tzk]
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/FiFrhF
language:
Prolog (swi 7.6.4)
created:
8 hours ago
visibility:
public

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