#ifndef __EDGE_H__
#define __EDGE_H__

#include <iostream>
#include <string>
using std::string;
using std::ostream;

class edge {
public:
    int from, to;
    double weight;
    edge(const int v1, const int v2);
    edge(const int v1, const int v2, const double w);
    edge(const edge& e);
    edge& operator=(const edge& e);
    bool operator==(const edge& e) const;
    bool operator!=(const edge& e) const;
};

#endif