#include <iostream>
#include <cmath>

using namespace std;

class Vector
{
private:
    int amount;                 //Количество координат
    int coordinates [100];      //Координаты

public:
    Vector ()  //Конструктор
    {
    }
    ~Vector ()  //Деструктор
    {
    }
    void SetAmount (int n) //Методы для координат и необходимого количества
    {
        amount = n;
    }
    // void SetCoordinates (int value, int i)
    // {
    //     coordinates [i] = value;
    // }
    int& operator[](int i) {
        return coordinates[i];
    }

    int GetAmount () const
    {
        return amount;
    }
    int GetCoordinates (int i) const  //Координаты
    {
        return coordinates [i];
    }
    const Vector operator+ (const Vector& v)
    {
        int  i;

        Vector tmp=v;

        for (i=0; i<this->amount; i++)

            tmp.coordinates [i] = coordinates[i]+v.GetCoordinates(i);
        return tmp;
    }


    const Vector operator- (const Vector& v)
    {
        int  i;

        Vector tmp=v;

        for (i=0; i<this->amount; i++)

            tmp.coordinates [i] = coordinates[i]-v.GetCoordinates(i);
        return tmp;
    }

    bool operator== (const Vector& v)
    {
        int flag = 0;
        for (int i=0; i<this->amount; i++){

            if(this->coordinates[i] == v.coordinates[i]) {}
            else
                flag = 1;
        }
        if (flag != 0)
            return false;

        return true;
    }

    bool operator!= (const Vector& v)
    {
        int flag = 0;
        for (int i=0; i<amount; i++){

            if(coordinates[i] != v.coordinates[i]) {
                flag = 1;
            }
        }
        if (flag == 0)
            return false;

        return true;
    }
    double operator* (const Vector& v)
    {
        int  i;

        Vector tmp=v;
        double m=0;

        for (i=0; i<this->amount; i++){

            tmp.coordinates [i] = coordinates[i]*v.GetCoordinates(i);
            m=m+tmp.coordinates[i];

        }
        //m=sqrt(m);
        return m;
    }
};

ostream& operator<< (ostream& out , Vector& v) {
    for(int i = 0; i < v.GetAmount(); i++) {
        out << v[i] << " ";
    }
    return out;
}

istream& operator>> (istream& in, Vector& v) {
    for(int i = 0; i < v.GetAmount(); i++) {
        in >> v[i];
    }
    return in;
}

int main ()
{
    setlocale (LC_ALL,"rus");
    Vector Vector1;
    Vector Vector2;
    Vector Vector3;
    Vector Vector4;
    Vector Vector5;

    int n;
    int i;
    int value;
    cout << "Введите количество координат векторов:\n";
    cin >> n;
    Vector1.SetAmount (n);
    cout << "Введите координаты вектора 1:\n";
    cin >> Vector1;
    Vector2.SetAmount (n);
    cout << "Введите координаты вектора 2:\n";
    cin >> Vector2;
    Vector3=Vector1+Vector2;
    Vector4=Vector1-Vector2;
    cout << "\nВектор 1:\n" << Vector1 << "\n";
    cout << "Вектор 2:\n" << Vector2 << "\n";
    cout << "Вычитаем из вектора 1 вектор 2 = " << Vector4 << "\n";
    cout << "Складываем вектор 1 с вектором 2 = " <<Vector3 << endl;
    bool a = Vector2 == Vector1;
    bool b = Vector2 != Vector1;
    //cout<<a<<b;
    double m=Vector1*Vector2;
    cout << "Умножение векторов: " << m << endl;

    if (a == true && b == false)
        cout << "Векторы равны" << endl;
    else
        cout << "Векторы неравны" << endl;
    cout << b;



    return 0;
}