#include <iostream>
#include <cstring>
#include <cmath>

using namespace std;

class ZicanInstrument{
protected:
    char ime[50];
    int brojZici;
    int cena;
public:
    ZicanInstrument(char *ime="",int brojZici=0,int cena=0)
    {
        strcpy(this->ime,ime);
        this->brojZici=brojZici;
        this->cena=cena;
    }
    bool operator ==(ZicanInstrument &zi)
    {
        if(brojZici==zi.brojZici)return true;
        else return false;
    }
    friend ostream &operator<<(ostream &out,ZicanInstrument &z)
    {
        out<<z.ime<<" "<<z.brojZici<<" "<<z.cena;
        return out;
    }
    virtual int get_cena()
    {
        return cena;
    }
    virtual int get_brZici(){
        return brojZici;
    }
};
class Mandolina:public ZicanInstrument{
private:
    char forma[20];
public:
    Mandolina(char *ime="",int brojZici=0,int cena=0,char *forma="")
                :ZicanInstrument(ime,brojZici,cena)
    {
        strcpy(this->forma,forma);
    }
    int get_cena()
    {
        char test[20]={"Neapolitan"};
        if(strcmp(forma,test)==0)
        {
            return cena+(cena*0.15);
        }
        else return cena;
    }
};
class Violina:public ZicanInstrument{
private:
    float golemina;
public:
    Violina(char *ime="",int brojZici=0,int cena=0,float golemina=0)
    :ZicanInstrument(ime,brojZici,cena)
    {
        this->golemina=golemina;
    }
    int get_cena()
    {

        if(golemina==0.25)
        {
            return cena+(cena*0.10);
        }
        else if(golemina==1.00)
        {
            return cena+(cena*0.20);
        }
        else
            return cena;
    }

};
void pecatiInstrumenti(ZicanInstrument &zi,ZicanInstrument **x,int n)
{
   for(int i=0;i<n;i++)
    if(zi == x[i])
    cout<<x[i]->cena()<<endl;
}





int main()
{


    return 0;
}