#pragma once
#include<string>
#include<algorithm>
#include<vector>
#include<utility>
using namespace std;

class BigInt {
private:
    string s;

    bool mai_mic_sau_egal(string s,string ss);
    bool mai_mic(string s,string ss);
    bool mai_mare(string s, string ss);
    bool mai_mare_sau_egal(string s,string ss);
    string sx(string s,string ss);
    string dx(string s,string ss);
    string px(string s,string ss);
    string pow(string s,string ss);
    pair<string,string> ddx(string s,string ss);

public:
    BigInt(string n);
    ~BigInt()=default;
    bool operator<(BigInt ss);
    bool operator<=(BigInt ss);
    bool operator==(BigInt ss);
    bool operator>(BigInt ss);
    bool operator>=(BigInt ss);
    void operator=(string ss);
    void operator=(BigInt ss);
    string operator+(BigInt ss);
    string operator-(BigInt ss);
    string operator*(BigInt ss);
    string operator^(BigInt ss);
    pair<string,string> operator/(BigInt ss); //returns a pair containing on first the quotient and on second the reminder of the division
    string sqrt();

};