4f381f6d07
* bump abseil to 20250814 * bump protobuf to v32.0 * cmake: add ccache auto support * backport flatzinc, math_opt and sat update
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
#!/usr/bin/env python3
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# Copyright 2010-2025 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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# [START program]
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"""Rabbits and Pheasants quizz."""
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from ortools.sat.python import cp_model
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def rabbits_and_pheasants_sat():
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"""Solves the rabbits + pheasants problem."""
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model = cp_model.CpModel()
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r = model.new_int_var(0, 100, "r")
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p = model.new_int_var(0, 100, "p")
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# 20 heads.
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model.add(r + p == 20)
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# 56 legs.
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model.add(4 * r + 2 * p == 56)
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# Solves and prints out the solution.
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solver = cp_model.CpSolver()
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status = solver.solve(model)
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if status == cp_model.OPTIMAL:
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print(f"{solver.value(r)} rabbits and {solver.value(p)} pheasants")
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rabbits_and_pheasants_sat()
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# [END program]
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