#pragma once

//Edge类
class Edge {
public:
	int line;
	int weight;    //weight是边的权
	int from;      //from是边的始点
	int to;        //to是边的终点
	Edge() {		// 构造函数
		from = -1;  to = -1;  weight = 0; line = 0;
	}
	Edge(int l, int f, int t, int w) { // 构造函数
		from = f;   to = t;   weight = w; line = l;
	}
	bool operator < (const Edge& arg) { return (this->weight < arg.weight); };
	bool operator == (const Edge& arg) { return (this->weight == arg.weight); };
	bool operator > (const Edge& arg) { return (this->weight > arg.weight); };
	bool operator <= (const Edge& arg) { return (this->weight <= arg.weight); };
	bool operator >= (const Edge& arg) { return (this->weight >= arg.weight); };
};