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Added alternative to use the lex2(m) from the library #15

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Added alternative to use the lex2(m) from the library #15

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20 changes: 13 additions & 7 deletions symmetry/lamp/lamp-dl.mzn
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Original file line number Diff line number Diff line change
Expand Up @@ -5,19 +5,25 @@ set of int: COL = 1..b;
int: r;
int: k;
int: lambda;

array[ROW,COL] of var bool: m;
solve satisfy;

constraint forall(i in ROW)(sum(j in COL)(m[i,j]) = r);
constraint forall(j in COL)(sum(i in ROW)(m[i,j]) = k);
constraint forall(i1, i2 in ROW where i1 < i2)
(sum(j in COL)
(m[i1,j] /\ m[i2,j]) = lambda);

include "double_lex.mzn";
constraint double_lex(m);


% Use the accompanying file "double_lex.mzn"
% include "double_lex.mzn";
% constraint double_lex(m);

% Or use the MiniZinc library
% https://www.minizinc.org/doc-2.5.5/en/lib-globals.html?highlight=lex2#index-39
include "lex2.mzn";
constraint lex2(m);

output [ if fix(m[i,j]) then "1" else "0" endif ++
if j = b then "\n" else "" endif
| i in ROW, j in COL ];
| i in ROW, j in COL ];