Różnice między wybraną wersją a wersją aktualną.
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pl:prolog:pllib:abc_language_recognition [2019/06/27 15:50] (aktualna) |
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| + | ====== Abc language recognition ====== | ||
| + | {{tag>language rules}} | ||
| + | ===== Description ===== | ||
| + | Recognizing the language a^Nb^Nc^N | ||
| + | |||
| + | **Source**: The Art of Prolog | ||
| + | ===== Download ===== | ||
| + | Program source code: {{prolog:pllib:abc_language_recognition.pl}} | ||
| + | ===== Listing ===== | ||
| + | <code prolog> | ||
| + | s(N) --> a(N), b(N), c(N). | ||
| + | |||
| + | a(N) --> [a], a(N1), {N is N1+1}. | ||
| + | a(0) --> [ ]. | ||
| + | |||
| + | b(N) --> [b], b(N1), {N is N1+1}. | ||
| + | b(0) --> [ ]. | ||
| + | |||
| + | c(N) --> [c], c(N1), {N is N1+1}. | ||
| + | c(0) --> [ ]. | ||
| + | |||
| + | % Program 19.2: Recognizing the language a^Nb^Nc^N | ||
| + | </code> | ||
| + | ===== Comments ===== | ||
