10 lines
417 B
MiniZinc
10 lines
417 B
MiniZinc
include "tree.mzn";
|
|
|
|
predicate fzn_dwst(int: N, int: E, array[int] of int: from, array[int] of int: to, array[int] of int: w,
|
|
var int: r, array[int] of var bool: es, var int: K) =
|
|
let { array[1..N] of bool: ns = [true | n in 1..N]; } in
|
|
dtree(N,E,from,to,r,ns,es) /\
|
|
K = sum(e in 1..E)(es[e]*w[e]);
|
|
|
|
%-----------------------------------------------------------------------------%
|