30 lines
889 B
C++
30 lines
889 B
C++
// Copyright 2010-2022 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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#include "ortools/graph/util.h"
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#include <vector>
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namespace util {
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bool IsSubsetOf0N(const std::vector<int>& v, int n) {
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std::vector<bool> mask(n, false);
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for (const int i : v) {
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if (i < 0 || i >= n || mask[i]) return false;
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mask[i] = true;
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}
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return true;
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}
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} // namespace util
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