#include <iostream>
#include <cstring>
#include <cstdlib>
#include <ctime>

using namespace std;

class Game {
    private:
        int upper;
        int lower;
        int count;
        int answer;
    public:
        Game(void) {
            this->reset();
        }

        int get_upper() {
            return this->upper;
        }

        int get_lower() {
            return this->lower;
        }

        int get_count() {
            return this->count;
        }

        int get_answer() {
            return this->answer;
        }

        void reset() {
            this->upper = 999;
            this->lower = 0;
            this->count = 0;
            this->answer = rand() % 1000;
        }

        bool guess(int num) {
            this->count++;
            if (num == answer) return true;

            if (num > answer && num < this->upper) this->upper = num;
            else if (num < answer && num > this->lower) this->lower = num;

            return false;
        }
};

int main(int argc, char const *argv[]) {
    srand(time(nullptr));

    Game game;

    for (int i = 0; i < argc; i++) {
        if (strcmp("-debug", argv[i]) == 0) {
            cout << "[Debug] " << game.get_answer() << endl;
        }
    }

    while (true) {
        int guess;
        cout << "Guess: ";
        cin >> guess;
        if (game.guess(guess)) {
            cout << "Answer correct. You have guessed for " << game.get_count() << " times." << endl;
            break;
        } else {
            cout << "Answer is fewer than " << game.get_upper() << endl;
            cout << "Answer is more than " << game.get_lower() << endl;
            cout << "------------------------" << endl;
        }
    }

    return 0;
}