#pragma once
#include <iostream>
#include <fstream>
#include <string>
using namespace std;

struct Edge {
    int x1;
    int x2;
    Edge* next = nullptr;
};
struct AdjPoint {
    int value;
    AdjPoint* next = nullptr;
};

struct Point
{
    int number;
    AdjPoint* First = nullptr;
    AdjPoint* Last = nullptr;
    Point* NextPoint = nullptr;
};

class List
{
private:
    Point* Start = nullptr;
    Point* End = nullptr;
public:
    List();
    ~List();
    Point* getStart();
    int GetLast();
    void addPoint();
    void addAdjPoint(int);
    void Print(std::ofstream& file);
    void Read(std::ifstream& file);
};

class EdgeList {
private:
    Edge* Start = nullptr;
    Edge* End = nullptr;
public:
    EdgeList();
    ~EdgeList();
    bool find(int x1,int x2);
    void appendEdge(int x1,int x2);
    void readFromList(List& A);
    void print(std::ofstream& file);
};