anthem/examples/graph-coloring.lp

#external color(1).
#external edge(2).
#external vertex(1).
#show color/2.

{color(V,C)} :- vertex(V), color(C).
covered(V) :- color(V, _).
:- vertex(V), not covered(V).
:- color(V1,C), color(V2,C), edge(V1,V2).
Update graph coloring example with placeholders This replaces the former graph coloring example with a new formulation that makes use of the newly supported placeholders. 2018-04-08 20:28:04 +02:00			`#external color(1).`
			`#external edge(2).`
			`#external vertex(1).`
			`#show color/2.`
Added graph coloring example. 2017-06-12 02:43:19 +02:00
Update graph coloring example with placeholders This replaces the former graph coloring example with a new formulation that makes use of the newly supported placeholders. 2018-04-08 20:28:04 +02:00			`{color(V,C)} :- vertex(V), color(C).`
			`covered(V) :- color(V, _).`
			`:- vertex(V), not covered(V).`
			`:- color(V1,C), color(V2,C), edge(V1,V2).`