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ortools-clone/ortools/sat/samples/simple_sat_program.py
Mizux Seiha 8bb54b04ef Bump Copyright to 2021
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find ortools \( -type d -name .git -prune \) -o -type f -print0 | xargs -0 sed -i 's/\(Copyright 2010\)-2018/\1-2021/g'
2021-04-01 21:00:53 +02:00

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Python

# Copyright 2010-2021 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.
"""Simple solve."""
# [START program]
from ortools.sat.python import cp_model
def SimpleSatProgram():
"""Minimal CP-SAT example to showcase calling the solver."""
# Creates the model.
# [START model]
model = cp_model.CpModel()
# [END model]
# Creates the variables.
# [START variables]
num_vals = 3
x = model.NewIntVar(0, num_vals - 1, 'x')
y = model.NewIntVar(0, num_vals - 1, 'y')
z = model.NewIntVar(0, num_vals - 1, 'z')
# [END variables]
# Creates the constraints.
# [START constraints]
model.Add(x != y)
# [END constraints]
# Creates a solver and solves the model.
# [START solve]
solver = cp_model.CpSolver()
status = solver.Solve(model)
# [END solve]
if status == cp_model.OPTIMAL:
print('x = %i' % solver.Value(x))
print('y = %i' % solver.Value(y))
print('z = %i' % solver.Value(z))
SimpleSatProgram()
# [END program]