60 lines
1.8 KiB
Java
60 lines
1.8 KiB
Java
// Copyright 2010-2018 Google LLC
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// [START program]
|
|
import com.google.ortools.sat.CpModel;
|
|
import com.google.ortools.sat.CpSolver;
|
|
import com.google.ortools.sat.CpSolverStatus;
|
|
import com.google.ortools.sat.IntVar;
|
|
|
|
/** Minimal CP-SAT example to showcase calling the solver. */
|
|
public class SimpleSolveSampleSat {
|
|
static {
|
|
System.loadLibrary("jniortools");
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
// Create the model.
|
|
// [START model]
|
|
CpModel model = new CpModel();
|
|
// [END model]
|
|
|
|
// Create the variables.
|
|
// [START variables]
|
|
int numVals = 3;
|
|
|
|
IntVar x = model.newIntVar(0, numVals - 1, "x");
|
|
IntVar y = model.newIntVar(0, numVals - 1, "y");
|
|
IntVar z = model.newIntVar(0, numVals - 1, "z");
|
|
// [END variables]
|
|
|
|
// Create the constraints.
|
|
// [START constraints]
|
|
model.addDifferent(x, y);
|
|
// [END constraints]
|
|
|
|
// Create a solver and solve the model.
|
|
// [START solve]
|
|
CpSolver solver = new CpSolver();
|
|
CpSolverStatus status = solver.solve(model);
|
|
// [END solve]
|
|
|
|
if (status == CpSolverStatus.FEASIBLE) {
|
|
System.out.println("x = " + solver.value(x));
|
|
System.out.println("y = " + solver.value(y));
|
|
System.out.println("z = " + solver.value(z));
|
|
}
|
|
}
|
|
}
|
|
// [END program]
|