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feat: implement Extra credit II

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Renge 2024-02-22 00:27:41 -05:00
parent 5433ee3959
commit 26687ea775
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#const n = 20.
#const k = 5.
% n-Queens encoding
{ q(I,1..n) } == 1 :- I = 1..n.
{ q(1..n,J) } == 1 :- J = 1..n.
:- { q(D-J,J) } >= 2, D = 2..2*n.
:- { q(D+J,J) } >= 2, D = 1-n..n-1.
:- q(X1, Y1), q(X2, Y2), X1 != X2, |(X1 - X2)| + |(Y1 - Y2)| <= k.