Jip J. Dekker
f2a1c4e389
git-subtree-dir: software/mza git-subtree-split: f970a59b177c13ca3dd8aaef8cc6681d83b7e813
11 lines
449 B
MiniZinc
11 lines
449 B
MiniZinc
include "tree.mzn";
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predicate fzn_wst(int: N, int: E, array[int] of int: from, array[int] of int: to, array[int] of int: w,
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array[int] of var bool: es, var int: K) =
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let { var 1..N: r; /* root of tree */
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array[1..N] of bool: ns = [true | n in 1..N]; } in
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tree(N,E,from,to,r,ns,es) /\
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K = sum(e in 1..E)(es[e]*w[e]);
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%-----------------------------------------------------------------------------%
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