anthem-rs/examples/exact-cover.lp

{in(1..n)}.

:- I != J, in(I), in(J), s(X, I), s(X, J).
covered(X) :- in(I), s(X, I).
:- s(X, I), not covered(X).
Add exact cover problem example 2020-05-07 02:54:13 +02:00			`{in(1..n)}.`

			`:- I != J, in(I), in(J), s(X, I), s(X, J).`
			`covered(X) :- in(I), s(X, I).`
Rename variable in example for consistency 2020-05-18 01:09:15 +02:00			`:- s(X, I), not covered(X).`