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pl:prolog:pllib:combinations_without_repeated [2019/06/27 15:50] (aktualna) |
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| + | ====== Combinations without repeated ====== | ||
| + | {{tag>combinatorics}} | ||
| + | ===== Description ===== | ||
| + | Program calculates combinations without repeated elements. | ||
| + | |||
| + | **Source**: Guide to Prolog Programming (on-line tutorial) | ||
| + | ===== Download ===== | ||
| + | Program source code: {{combinations_without_repeated.pl}} | ||
| + | ===== Listing ===== | ||
| + | <code prolog> | ||
| + | comb2(_,[]). | ||
| + | comb2([X|T],[X|Comb]):-comb2(T,Comb). | ||
| + | comb2([_|T],[X|Comb]):-comb2(T,[X|Comb]). | ||
| + | |||
| + | |||
| + | % use ?-comb2([1,2,3,4],[X,Y]) to generate combinations with two elements.</code> | ||
| + | ===== Comments ===== | ||
