#include <iostream>
#include <vector>
#include <limits>
#include <cmath>
#include <algorithm>
#include <float.h>

using namespace std;

struct Monom
{
    int grad;
    float coeficient;

    Monom()
    {
        grad = 0;
        coeficient = 0;
    }
    Monom(float c, int g)
    {
        grad = g;
        coeficient = c;
    }
    Monom(const Monom& dreapta) {
        grad = dreapta.grad;
        coeficient = dreapta.coeficient;
    }
    friend bool operator==(const Monom& stanga, const Monom& dreapta) {
        return stanga.grad == dreapta.grad;
    }
    static bool comparatie(const Monom* stanga, const Monom* dreapta) {
        return stanga->grad >= dreapta->grad;
    }
    static bool esteZero(const Monom* m) {
        return abs(m->coeficient) <= FLT_EPSILON;
    }
};


class Polinom
{
    vector<Monom*> _poli;
public:
    Polinom();
    Polinom(const Polinom& dreapta);
    ~Polinom();

    int gradPolinom();

    void stergeZero();
    float evaluare(float x);
    void add(float c, int g);

    Polinom operator*(float scalar);
    Polinom operator+(const Polinom& dreapta);

    friend istream& operator>>(istream& is, Polinom& p);
    friend ostream& operator<<(ostream& os, Polinom& p);
};