graph-algorithms/weighted_graph.h

37 lines
943 B
C++

#ifndef C___WEIGHTEDGRAPH_H
#define C___WEIGHTEDGRAPH_H
#include <list>
#include <vector>
#include <algorithm>
struct Node {
// todo: introduce neighbor struct and use it instead of std::pair
std::list<std::pair<int, double>> neighbours;
Node() = default;
explicit Node(std::list<std::pair<int, double>> neighbours);
void add_edge(int node_id, double weight);
[[nodiscard]] int deg() const;
};
class WeightedGraph {
public:
explicit WeightedGraph(size_t num_nodes);
void add_edge(int from, int to, double weight);
[[nodiscard]] std::list<std::pair<int, double>> adjList(int node_id) const;
[[nodiscard]] size_t num_nodes() const;
[[nodiscard]] int num_edges() const;
[[nodiscard]] int deg(int v) const;
[[nodiscard]] std::pair<int,double> min_neighbour(int node_id) const;
[[nodiscard]] WeightedGraph remove_parallel() const;
private:
std::vector<Node> nodes;
int edges;
};
#endif //C___WEIGHTEDGRAPH_H