50 lines
1.6 KiB
C#
50 lines
1.6 KiB
C#
// Copyright 2010-2018 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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using System;
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using System.Collections.Generic;
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using Google.OrTools.ConstraintSolver;
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public class CpTestNewSearch {
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static void Main() {
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Solver solver = new Google.OrTools.ConstraintSolver.Solver("p");
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// creating dummy variables
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List<IntVar> vars = new List<IntVar>();
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for (int i = 0; i < 200000; i++) {
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vars.Add(solver.MakeIntVar(0, 1));
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}
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IntExpr globalSum = solver.MakeSum(vars.ToArray());
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DecisionBuilder db = solver.MakePhase(
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vars.ToArray(),
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Google.OrTools.ConstraintSolver.Solver.INT_VAR_SIMPLE,
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Google.OrTools.ConstraintSolver.Solver.INT_VALUE_SIMPLE);
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solver.NewSearch(db, new OptimizeVar(solver, true, globalSum.Var(), 100));
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// force Garbage Collector
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GC.Collect();
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GC.WaitForPendingFinalizers();
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// Try to read all solutions
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int count = 0;
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while (solver.NextSolution()) {
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count++;
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//Console.WriteLine("solution " + globalSum.Var().Value());
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}
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Console.WriteLine("Solutions: " + count);
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}
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}
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