gistfile1.txt

#include <iostream>
#include <string>
using namespace std;

// Электрочайник
class Electrochainik {
private:
    string brand;
    float volume;

public:
    Electrochainik(string b, float v) {
        SetBrand(b);
        SetVolume(v);
    }

    void SetBrand(string b) {
        if (b.empty()) cout << "Brand can't be empty!\n";
        else brand = b;
    }

    string GetBrand() { return brand; }

    void SetVolume(float v) {
        if (v <= 0 || v > 5.0) cout << "Volume must be between 0 and 5 liters.\n";
        else volume = v;
    }

    float GetVolume() { return volume; }

    void printInfo() {
        cout << "Electrochainik: " << brand << ", V: " << volume << " L\n";
    }
};

// Книга
class Kniga {
private:
    string title;
    string author;

public:
    Kniga(string t, string a) {
        SetTitle(t);
        SetAuthor(a);
    }

    void SetTitle(string t) {
        if (t.empty()) cout << "Title can't be empty!\n";
        else title = t;
    }

    string GetTitle() { return title; }

    void SetAuthor(string a) {
        if (a.empty()) cout << "Author can't be empty!\n";
        else author = a;
    }

    string GetAuthor() { return author; }

    void printInfo() {
        cout << "Kniga: \"" << title << "\" Autor: " << author << "\n";
    }
};

// Телефон
class Telephon {
private:
    string model;
    string os;

public:
    Telephon(string m, string o) {
        SetModel(m);
        SetOS(o);
    }

    void SetModel(string m) {
        if (m.empty()) cout << "Model can't be empty!\n";
        else model = m;
    }

    string GetModel() { return model; }

    void SetOS(string o) {
        if (o != "iOS" && o != "Android") cout << "OS must be 'iOS' or 'Android'!\n";
        else os = o;
    }

    string GetOS() { return os; }

    void printInfo() {
        cout << "Telephon: " << model << ", OS: " << os << "\n";
    }
};

// Гелевая ручка
class Gelevayaruchka {
private:
    string color;
    float tipSize;

public:
    Gelevayaruchka(string c, float t) {
        SetColor(c);
        SetTipSize(t);
    }

    void SetColor(string c) {
        if (c.empty()) cout << "Color can't be empty!\n";
        else color = c;
    }

    string GetColor() { return color; }

    void SetTipSize(float t) {
        if (t <= 0 || t > 2.0) cout << "Tip size must be between 0 and 2 mm.\n";
        else tipSize = t;
    }

    float GetTipSize() { return tipSize; }

    void printInfo() {
        cout << "Gelevayaruchka: colour " << color << ", width: " << tipSize << " mm\n";
    }
};

// Купюра
class Cupura {
private:
    int value;
    string currency;

public:
    Cupura(int v, string c) {
        SetValue(v);
        SetCurrency(c);
    }

    void SetValue(int v) {
        if (v <= 0) cout << "Value must be greater than 0!\n";
        else value = v;
    }

    int GetValue() { return value; }

    void SetCurrency(string c) {
        if (c.empty()) cout << "Currency can't be empty!\n";
        else currency = c;
    }

    string GetCurrency() { return currency; }

    void printInfo() {
        cout << "Cupura: " << value << " " << currency << "\n";
    }
};

int main() {
    Electrochainik kettle("Philips", 1.7);
    Kniga book("Мартин Иден", "Джек Лондон");
    Telephon phone("iPhone 14", "iOS");
    Gelevayaruchka pen("синяя", 0.5);
    Cupura money(1000, "грн");

    kettle.printInfo();
    book.printInfo();
    phone.printInfo();
    pen.printInfo();
    money.printInfo();
}