Jip J. Dekker
fad1b07018
git-subtree-dir: software/minizinc git-subtree-split: 4f10c82056ffcb1041d7ffef29d77a7eef92cf76
10 lines
417 B
MiniZinc
10 lines
417 B
MiniZinc
include "tree.mzn";
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predicate fzn_dwst(int: N, int: E, array[int] of int: from, array[int] of int: to, array[int] of int: w,
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var int: r, array[int] of var bool: es, var int: K) =
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let { array[1..N] of bool: ns = [true | n in 1..N]; } in
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dtree(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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