#include <iostream>
#include <vector>
#include <cmath>
using namespace std;


class punct
{
    int x, y;

public:
    punct();
    punct(int x_t, int y_t)
    {
        x = x_t;
        y = y_t;
    }
    punct operator=(punct z)
    {
        this->x = z.x;
        this->y = z.y;
        return *this;
    }
    vector<int> getter()  ///for point (convert point = vector<int>)
    {
        vector <int> temp;
        temp.push_back(x);
        temp.push_back(y);
        return temp;
    }
};


class patrat
{
    punct stanga_jos;
    float latura;

public:
    patrat();
    patrat(int lungime_temp, punct temp)
    {
        latura = lungime_temp;
        stanga_jos = temp;
    }
    float aria()
    {
        return latura * latura; ///O(1)
    }
    float perimetru()
    {
        return latura * 4; ///merge si la float
    }
    float getter()
    {
        return latura;
    }
};

class dreptunghi:protected patrat
{
    float latura2;
public:
    dreptunghi(int latura2_temp, int latura1_temp, punct temp):patrat(latura1_temp, temp), latura2() {}
    float aria()
    {
        return getter()*latura2;
    }
    float perimetru()
    {
        return 2 * (getter() + latura2);  ///static il implementam mai tarziu
    }
};


class romb:protected patrat
{
    punct punct2;
public:
    romb(punct temp1, int latura1_temp, punct temp):patrat(latura1_temp, temp), punct2() {}
    float perimetru()
    {
        return patrat::perimetru();
    }
    float aria()
    {
        return patrat::aria(); ///idee
    }
};


class paralelogram:protected dreptunghi, romb
{

public:
    paralelogram(int latura1, int latura2,  punct temp1, punct temp2):dreptunghi(latura1, latura2, temp2), romb(temp1, latura2, temp2) {}
    float perimetru()
    {
        return dreptunghi::perimetru();
    }
    float aria()
    {
        return dreptunghi::aria();
    }
};

class trapez:protected paralelogram
{

public:
    trapez(int latura1, int latura2, punct temp1, punct temp2):paralelogram(latura1, latura2, temp1, temp2) {}

};