Różnice między wybraną wersją a wersją aktualną.
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pl:prolog:pllib:variation [2019/06/27 15:50] |
pl:prolog:pllib:variation [2019/06/27 15:50] (aktualna) |
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| + | ====== Variation ====== | ||
| + | {{tag>combinatorics lists}} | ||
| + | ===== Description ===== | ||
| + | Program create variation without repeated list elements | ||
| + | |||
| + | **Source**: Guide to Prolog Programming (on-line tutorial) | ||
| + | ===== Download ===== | ||
| + | Program source code: {{variation.pl}} | ||
| + | ===== Listing ===== | ||
| + | <code prolog> | ||
| + | varia(0,_,[]). | ||
| + | varia(N,L,[H|Varia]):-N>0,N1 is N-1,delete(H,L,Rest),varia(N1,Rest,Varia). | ||
| + | |||
| + | delete(X,[X|T],T). | ||
| + | delete(X,[H|T],[H|NT]):-delete(X,T,NT).</code> | ||
| + | ===== Comments ===== | ||
