36 lines
611 B
C++
36 lines
611 B
C++
#ifndef C___DIGRAPH_H
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#define C___DIGRAPH_H
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#include <list>
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#include <vector>
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#include <algorithm>
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struct Node {
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std::list<int> neighbours;
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Node() = default;
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Node(std::list<int> neighbours);
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void add_edge(int v);
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int outdeg() const;
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};
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class Digraph {
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public:
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Digraph(size_t num_nodes);
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void add_edge(int from, int to);
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std::list<int> adjList(int node_id) const;
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size_t num_nodes() const;
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Digraph transpose() const;
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bool isEdge(int from, int to) const;
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int outdeg(int v) const;
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std::vector<int> indegrees() const;
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private:
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std::vector<Node> nodes;
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};
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#endif //C___DIGRAPH_H
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