riki zamara

#include <iostream>
#include <cstring>

using namespace std;

class Recipe {
private:
    int number_ingredients;
    char name[100];
    char* contents;
    void copyy(const Recipe &r) {
        number_ingredients = r.number_ingredients;
        strncpy(name, r.name, 99);
        contents = new char[100];
        strncpy(contents, r.contents, 99);
        name[99] = '\0';
        contents[99] = '\0';
    }
public:
    Recipe(int ni = 0, const char* n = "none", const char* c = "none") {
        number_ingredients = ni;
        strncpy(name, n, 99);
        contents = new char[100];
        strncpy(contents, c, 99);
        name[99] = '\0';
        contents[99] = '\0';
    }
    Recipe(const Recipe &r) {
        copyy(r);
    }
    Recipe& operator= (const Recipe &r) {
        if(this == &r) return *this;
        delete[] contents;
        copyy(r);
        return *this;
    }

    friend ostream& operator<< (ostream &out, Recipe &r) {
        return out << r.number_ingredients << "\n" <<
        r.name << "\n" << r.contents << endl;
    }

    bool operator== (const Recipe &r) {
        return (strcmp(name, r.name) == 0);
    }

    Recipe& operator++ () {
        ++number_ingredients;
        return *this;
    }
    Recipe operator++ (int) {
        Recipe temp = *this;
        number_ingredients++;
        return temp;
    }

    int getNum_Ingredients() {
        return number_ingredients;
    }

    void setIngredients(int number_ingredients) {
        this->number_ingredients = number_ingredients;
    }
    void setName(char* name) {
        strcpy(this->name, name);
    }
    void setContents (char* contents) {
        strcpy(this->contents, contents);
    }

    ~Recipe() {
        delete[] contents;
    }
};

class RecipesBook {
private:
    char name[100];
    Recipe *recipes;
    int number_elements;
public:
    RecipesBook(const char* name = "none", Recipe *recipes = 0, int number_elements = 0) {
        strncpy(this->name, name, 99);
        this->recipes = new Recipe [number_elements + 1];
        this->number_elements = number_elements;
    }
    RecipesBook(const RecipesBook &rb) {
        strncpy(this->name, rb.name, 99);
        this->number_elements = rb.number_elements;
        this->recipes = new Recipe [rb.number_elements + 1];
        for (int i = 0; i < number_elements; i++) {
            recipes[i] = rb.recipes[i];
        }

    }
    RecipesBook& operator= (const RecipesBook &rb) {
        if(this == &rb) return *this;
        strncpy(name, rb.name, 99);
        number_elements = rb.number_elements;
        delete[] recipes;
        recipes = new Recipe[rb.number_elements + 1];
        for (int i = 0; i < number_elements; i++) {
            recipes[i] = rb.recipes[i];
        }
        return *this;
    }

    RecipesBook& operator+= (const Recipe &r) {
        for (int i = 0; i < number_elements; i++) {
            if (recipes[i] == r)
                return *this;
        }
        Recipe *temp = new Recipe[number_elements + 1];
        for (int i = 0; i < number_elements; i++) {
            temp[i] = recipes[i];
        }
        delete[] recipes;
        temp[number_elements++] = r;
        recipes = temp;
        return *this;
    }

    RecipesBook newBook(Recipe &r) {
        RecipesBook rb ;
        strncpy(rb.name, name, 99);
        for (int i = 0; i < number_elements; i++) {
            if (recipes[i].getNum_Ingredients() < r.getNum_Ingredients())
                rb += recipes[i];
        }
        for (int i = 0; i < rb.number_elements; i++)
            rb.recipes[i]++;
        return rb;
    }

    friend ostream& operator<< (ostream &out, RecipesBook &rb) {
        out << rb.name << endl;
        for (int i = 0; i < rb.number_elements; i++)
            out << rb.recipes[i] << endl;
        return out;
    }


    ~RecipesBook() {
        delete[] recipes;
    }

};

int main()
{
    Recipe rec;
    int n;
    char name[100], contents[200];
    int num_ing;
    cin >> name >> n;
    RecipesBook b1(name);
    Recipe last;
    for (int i = 0; i < n; i++) {
        cin >> num_ing >> name >> contents;
        Recipe r(num_ing, name, contents);
        b1 += r;
        last = r;
    }
    cout << b1;
    cin >> num_ing >> name >> contents;
    rec.setIngredients(num_ing);
    rec.setName(name);
    rec.setContents(contents);
    b1 += rec;
    //cout << "TESTtaaa" << endl;
    cout << b1;
    //cout << "TESTttttttttt" << endl;
    RecipesBook b2 = b1.newBook(rec);
    //cout << "TEST0" << endl;
    cout << b2;
    //cout << "TEST1" << endl;
    // testing copy constructor
    cout << "b2 copy" << endl;
    //cout << "TEST3" << endl;
    RecipesBook rb = b2;
    //cout << "TEST4" << endl;
    last.setName("changed-name");
    //cout << "TEST5" << endl;
    rb += last;
    //cout << "TEST6" << endl;
    cout << rb;
    //cout << "TEST7" << endl;
    cout << "original" << endl;
    //cout << "TEST8" << endl;
    cout << b2;
    //cout << "TEST9" << endl;
    return 0;
}