Gitari so svirat

#include <iostream>
#include <cstring>

using namespace std;

class Gitara
{
private:
    char serial_number[25];
    float price;
    int year;
    char type[40];
public:
    Gitara()
    {
        strcpy(this->serial_number,"");
        this->price=0.0;
        this->year=0;
        strcpy(this->type,"");
    }
    Gitara(char *type,char *serial_number,int year,float price)
    {
        strcpy(this->serial_number,serial_number);
        this->price=price;
        this->year=year;
        strcpy(this->type,type);
    }
    Gitara(const Gitara &gt)
    {
        strcpy(this->serial_number,gt.serial_number);
        this->price=gt.price;
        this->year=gt.year;
        strcpy(this->type,gt.type);
    }
    bool daliIsti(Gitara &git)
    {
        if(strcmp(this->serial_number,git.serial_number)==0)
            return true;
        else return false;
    }
    void pecati()
    {
        cout<<serial_number<<" "<<type<<" "<<price<<endl;
    }
    int getGodina()
    {
        return year;
    }
    char * getSeriski()
    {
        return serial_number;
    }
    char * getTip()
    {
        return type;
    }
    float getNabavna()
    {
        return price;
    }

};

class Magacin
{
private:
    char name[30];
    char location[60];
    Gitara *guitars;
    int number;
    int year_opened;
public:
     Magacin(const char *name="",const char *location="",int year_opened=0)
    {
        strcpy(this->name,name);
        strcpy(this->location,location);
        this->year_opened=year_opened;
        this->guitars = new Gitara[0];
        this->number=0;
    }
    Magacin(const Magacin &m)
    {
        strcpy(this->name,m.name);
        strcpy(this->location,m.location);
        this->year_opened=m.year_opened;
        this->number=m.number;
        for(int i=0;i<m.number;i++)
        {
            this->guitars[i]=m.guitars[i];
        }

    }
    Magacin &operator=(const Magacin&m)
    {
        if(this!=&m)
        {
        strcpy(this->name,m.name);
        strcpy(this->location,m.location);
        this->year_opened=m.year_opened;
        this->number=m.number;
        for(int i=0;i<m.number;i++)
        {
            this->guitars[i]=m.guitars[i];
        }
        }
        return *this;
    }
    double vrednost()
    {
        double sum=0.0;
        for(int i=0;i<number;i++)
        {
            sum+=guitars[i].getNabavna();
        }
        return sum;
    }
    void dodadi(Gitara guitar)
    {
        Gitara *pok = new Gitara[number+1];
        for(int i=0;i<number;i++)
            pok[i] = guitars[i];
            pok[number++] = guitar;
        guitars = pok;

    }
    void prodadi(Gitara &guitar)
    {
        int brojac=0;
        for(int i=0;i<number;i++)
        {
            if((guitars[i].daliIsti(guitar))==false)
                brojac++;
        }
        Gitara *pok = new Gitara[brojac];
        brojac =0;
        for(int i=0;i<number;i++)
        {
            if((guitars[i].daliIsti(guitar))==false)
            {
                pok[brojac++] = guitars[i];

            }
        }

        //delete [] guitars;
        guitars = pok;
        number = brojac;
    }
    void pecati(bool daliNovi)
    {
        cout<<name<<" "<<location<<endl;
        for(int i=0;i<number;i++)
        {
            if(daliNovi==true)
            {
                if(guitars[i].getGodina()>year_opened)
                {
                    guitars[i].pecati();
                }
            }
            else
                guitars[i].pecati();
        }
    }

};

    int main() {
    // se testira zadacata modularno
    int testCase;
    cin >> testCase;

    int n, godina;
    float cena;
    char seriski[50],tip[50];

    if(testCase == 1) {
        cout << "===== Testiranje na klasata Gitara ======" << endl;
        cin>>tip;
        cin>>seriski;
        cin >> godina;
        cin >> cena;
        Gitara g(tip,seriski, godina,cena);
        cout<<g.getTip()<<endl;
        cout<<g.getSeriski()<<endl;
        cout<<g.getGodina()<<endl;
        cout<<g.getNabavna()<<endl;
    } else if(testCase == 2){
        cout << "===== Testiranje na klasata Magacin so metodot print() ======" << endl;
        Magacin kb("Magacin1","Lokacija1");
        kb.pecati(false);
    }
    else if(testCase == 3) {
        cout << "===== Testiranje na klasata Magacin so metodot dodadi() ======" << endl;
        Magacin kb("Magacin1","Lokacija1",2005);
        cin>>n;
            for (int i=0;i<n;i++){
                cin>>tip;
                cin>>seriski;
                cin >> godina;
                cin >> cena;
                Gitara g(tip,seriski, godina,cena);
                cout<<"gitara dodadi"<<endl;
                kb.dodadi(g);
            }
        kb.pecati(true);
    }

    else if(testCase == 4) {
        cout << "===== Testiranje na klasata Magacin so metodot prodadi() ======" << endl;
        Magacin kb("Magacin1","Lokacija1",2012);
            cin>>n;
            Gitara brisi;
            for (int i=0;i<n;i++){
                cin>>tip;
                cin>>seriski;
                cin >> godina;
                cin >> cena;

                Gitara g(tip,seriski, godina,cena);
                if(i==2)
                    brisi=g;
                cout<<"gitara dodadi"<<endl;
                kb.dodadi(g);
            }
        kb.pecati(false);
        kb.prodadi(brisi);
        kb.pecati(false);
    }
    else if(testCase == 5) {
        cout << "===== Testiranje na klasata Magacin so metodot prodadi() i pecati(true) ======" << endl;
        Magacin kb("Magacin1","Lokacija1",2011);
            cin>>n;
            Gitara brisi;
            for (int i=0;i<n;i++){
                cin>>tip;
                cin>>seriski;
                cin >> godina;
                cin >> cena;

                Gitara g(tip,seriski, godina,cena);
                if(i==2)
                    brisi=g;
                cout<<"gitara dodadi"<<endl;
                kb.dodadi(g);
            }
        kb.pecati(true);
        kb.prodadi(brisi);
        cout<<"Po brisenje:"<<endl;
        Magacin kb3;
        kb3=kb;
        kb3.pecati(true);
    }
   else if(testCase ==6)
        {
        cout << "===== Testiranje na klasata Magacin so metodot vrednost()======" << endl;
        Magacin kb("Magacin1","Lokacija1",2011);
            cin>>n;
            Gitara brisi;
            for (int i=0;i<n;i++){
                cin>>tip;
                cin>>seriski;
                cin >> godina;
                cin >> cena;

                Gitara g(tip,seriski, godina,cena);
                if(i==2)
                    brisi=g;
                kb.dodadi(g);
            }
        cout<<kb.vrednost()<<endl;
        kb.prodadi(brisi);
        cout<<"Po brisenje:"<<endl;
        cout<<kb.vrednost();
        Magacin kb3;
        kb3=kb;
        }
    return 0;
}