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advent-of-code/2021/ruby/day_08.mzn

38 lines
1.1 KiB

include "globals.mzn";
enum Signals = { A, B, C, D, E, F, G };
set of Signals: Zero = { A, B, C, E, F, G };
set of Signals: One = { C, F };
set of Signals: Two = { A, C, D, E, G };
set of Signals: Three = { A, C, D, F, G };
set of Signals: Four = { B, C, D, F };
set of Signals: Five = { A, B, D, F, G };
set of Signals: Six = { A, B, D, E, F, G };
set of Signals: Seven = { A, C, F };
set of Signals: Eight = { A, B, C, D, E, F, G };
set of Signals: Nine = { A, B, C, D, F, G };
array[1..10] of set of Signals: AllSignals = [ Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine ];
array[1..10] of set of Signals: Patterns;
% Patterns = [
% { A, C, E, D, G, F, B },
% { C, D, F, B, E },
% { G, C, D, F, A },
% { F, B, C, A, D },
% { D, A, B },
% { C, E, F, A, B, D },
% { C, D, F, G, E, B },
% { E, A, F, B },
% { C, A, G, E, D, B },
% { A, B },
% ];
array [Signals] of var Signals: Map;
constraint alldifferent(Map);
constraint forall(pattern in [ { Map[x] | x in pattern } | pattern in Patterns])(
exists(digit in AllSignals)(pattern = digit)
);
output [show(Map)];