# Copyright 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]
from __future__ import print_function
from ortools.linear_solver import pywraplp

def main():
  solver = pywraplp.Solver('SolveSimpleSystem',
                           pywraplp.Solver.GLOP_LINEAR_PROGRAMMING)
  # Create the variables x and y.
  x = solver.NumVar(0, 1, 'x')
  y = solver.NumVar(0, 2, 'y')
  # Create the objective function, x + y.
  objective = solver.Objective()
  objective.SetCoefficient(x, 1)
  objective.SetCoefficient(y, 1)
  objective.SetMaximization()
  # Call the solver and display the results.
  solver.Solve()
  print('Solution:')
  print('x = ', x.solution_value())
  print('y = ', y.solution_value())

if __name__ == '__main__':
  main()
# [END program]