2023-01-29 21:20:58 +01:00
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#!/usr/bin/env python3
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2022-06-17 08:40:20 +02:00
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# Copyright 2010-2022 Google LLC
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2018-09-09 15:20:46 +02:00
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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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2018-09-09 18:08:31 +02:00
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"""CP-SAT model for task allocation problem.
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2018-09-09 15:20:46 +02:00
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2023-01-29 21:20:58 +01:00
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see http://yetanothermathprogrammingconsultant.blogspot.com/2018/09/minizinc-
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cpsat-vs-mip.html
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"""
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2018-11-19 20:42:23 -08:00
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2023-01-29 21:20:58 +01:00
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from typing import Sequence
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from absl import app
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2018-09-09 15:20:46 +02:00
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from ortools.sat.python import cp_model
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2023-01-29 21:20:58 +01:00
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def task_allocation_sat():
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2018-09-09 18:08:31 +02:00
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"""Solves the task allocation problem."""
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# Availability matrix.
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2018-11-11 09:39:59 +01:00
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available = [[
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0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0
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2023-01-29 21:20:58 +01:00
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 1, 1, 1, 1, 1, 1, 1, 1
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
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1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 1, 1, 1, 1, 1, 1, 1, 0
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],
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[
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0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
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1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
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1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
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1, 1, 1, 1, 1, 1, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 1, 1, 1, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
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1, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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],
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[
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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|
|
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
|
|
|
|
|
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
|
|
|
|
|
1, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
],
|
|
|
|
|
[
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
|
|
|
|
|
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
|
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
|
|
|
|
]]
|
2018-09-09 18:08:31 +02:00
|
|
|
|
|
|
|
|
ntasks = len(available)
|
|
|
|
|
nslots = len(available[0])
|
|
|
|
|
|
|
|
|
|
# sets
|
|
|
|
|
all_tasks = range(ntasks)
|
|
|
|
|
all_slots = range(nslots)
|
|
|
|
|
|
|
|
|
|
# max tasks per time slot
|
|
|
|
|
capacity = 3
|
|
|
|
|
|
|
|
|
|
# Model
|
|
|
|
|
model = cp_model.CpModel()
|
|
|
|
|
assign = {}
|
|
|
|
|
for task in all_tasks:
|
|
|
|
|
for slot in all_slots:
|
|
|
|
|
assign[(task, slot)] = model.NewBoolVar('x[%i][%i]' % (task, slot))
|
|
|
|
|
count = model.NewIntVar(0, nslots, 'count')
|
|
|
|
|
slot_used = [model.NewBoolVar('slot_used[%i]' % s) for s in all_slots]
|
|
|
|
|
|
|
|
|
|
for task in all_tasks:
|
2018-11-11 09:39:59 +01:00
|
|
|
model.Add(
|
2023-01-29 21:20:58 +01:00
|
|
|
sum(assign[(task, slot)]
|
|
|
|
|
for slot in all_slots
|
2018-11-11 09:39:59 +01:00
|
|
|
if available[task][slot] == 1) == 1)
|
2018-09-09 18:08:31 +02:00
|
|
|
|
|
|
|
|
for slot in all_slots:
|
2018-11-11 09:39:59 +01:00
|
|
|
model.Add(
|
2023-01-29 21:20:58 +01:00
|
|
|
sum(assign[(task, slot)]
|
|
|
|
|
for task in all_tasks
|
2018-11-11 09:39:59 +01:00
|
|
|
if available[task][slot] == 1) <= capacity)
|
|
|
|
|
model.AddBoolOr([
|
2023-01-29 21:20:58 +01:00
|
|
|
assign[(task, slot)]
|
|
|
|
|
for task in all_tasks
|
2018-11-11 09:39:59 +01:00
|
|
|
if available[task][slot] == 1
|
|
|
|
|
]).OnlyEnforceIf(slot_used[slot])
|
2018-09-09 18:08:31 +02:00
|
|
|
for task in all_tasks:
|
|
|
|
|
if available[task][slot] == 1:
|
|
|
|
|
model.AddImplication(slot_used[slot].Not(),
|
|
|
|
|
assign[(task, slot)].Not())
|
|
|
|
|
else:
|
|
|
|
|
model.Add(assign[(task, slot)] == 0)
|
|
|
|
|
|
|
|
|
|
model.Add(count == sum(slot_used))
|
|
|
|
|
# Redundant constraint. This instance is easier if we add this constraint.
|
|
|
|
|
# model.Add(count >= (nslots + capacity - 1) // capacity)
|
|
|
|
|
|
|
|
|
|
model.Minimize(count)
|
|
|
|
|
|
|
|
|
|
# Create a solver and solve the problem.
|
|
|
|
|
solver = cp_model.CpSolver()
|
|
|
|
|
# Uses the portfolion of heuristics.
|
2019-04-29 17:49:44 +02:00
|
|
|
solver.parameters.log_search_progress = True
|
2023-01-29 21:20:58 +01:00
|
|
|
solver.parameters.num_search_workers = 16
|
2018-09-09 18:08:31 +02:00
|
|
|
status = solver.Solve(model)
|
|
|
|
|
|
|
|
|
|
print('Statistics')
|
|
|
|
|
print(' - status =', solver.StatusName(status))
|
|
|
|
|
print(' - optimal solution =', solver.ObjectiveValue())
|
|
|
|
|
print(' - wall time : %f s' % solver.WallTime())
|
2018-09-09 15:20:46 +02:00
|
|
|
|
|
|
|
|
|
2023-01-29 21:20:58 +01:00
|
|
|
def main(argv: Sequence[str]) -> None:
|
|
|
|
|
if len(argv) > 1:
|
|
|
|
|
raise app.UsageError('Too many command-line arguments.')
|
|
|
|
|
task_allocation_sat()
|
|
|
|
|
|
|
|
|
|
|
2018-09-09 15:20:46 +02:00
|
|
|
if __name__ == '__main__':
|
2023-01-29 21:20:58 +01:00
|
|
|
app.run(main)
|