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ortools-clone/examples/flatzinc/set_covering.fzn
2012-09-03 18:26:36 +00:00

12 lines
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MiniZinc

array [1..36] of int: distance = [0, 10, 20, 30, 30, 20, 10, 0, 25, 35, 20, 10, 20, 25, 0, 15, 30, 20, 30, 35, 15, 0, 15, 25, 30, 20, 30, 15, 0, 14, 20, 10, 20, 25, 14, 0];
array [1..6] of var 0..1: x :: output_array([1..6]);
var 0..6: z;
constraint int_lin_eq([-1, 1, 1, 1, 1, 1, 1], [z, x[1], x[2], x[3], x[4], x[5], x[6]], 0);
constraint int_lin_le([-1, -1], [x[1], x[2]], -1);
constraint int_lin_le([-1, -1], [x[3], x[4]], -1);
constraint int_lin_le([-1, -1, -1], [x[1], x[2], x[6]], -1);
constraint int_lin_le([-1, -1, -1], [x[2], x[5], x[6]], -1);
constraint int_lin_le([-1, -1, -1], [x[3], x[4], x[5]], -1);
constraint int_lin_le([-1, -1, -1], [x[4], x[5], x[6]], -1);
solve minimize z;