Popravena

#include <iostream>
#include <cstring>
#include<string.h>
#include<string>
using namespace std;

class AlcoholicDrink
{
protected:
    char name[100];
    char country[100];
    float percent;
    float baseprice;
public:
    static int discount;
    virtual float computePrice();
    AlcoholicDrink(){}
    AlcoholicDrink(float percent, char *name, char *country,  float baseprice)
    {
        strcpy(this->name,name);
        strcpy(this->country, country);
        this->percent=percent;
        this->baseprice=baseprice;
    }
    ~AlcoholicDrink(){}
   static void total(AlcoholicDrink **ad, int n)
{
    int totalp=0;
    int totald=0;
   /* for(int i=0;i<n;i++)
    {
        if(discount==0)
        {
            totalp+=ad[i]->computePrice();
        }
        else
            totald+=ad[i]->computePrice();
    }*/

}
    static void changeDiscount(int d)
{
    discount=d;
}
};
int discount=5;


class Beer : public AlcoholicDrink
{
private:
     bool ingridient;//BARLEY, WHEAT
public:
    Beer(){}
    Beer(float percent, char *name, char *country, float baseprice, bool ingridient): AlcoholicDrink(percent,name,country, baseprice)
    {

        this->ingridient=ingridient;
    }
    ~Beer()
    {}
    friend ostream &operator<<(ostream &out, Beer &b)
    {
        out<<b.name<<" "<<b.country<<" "<<b.computePrice()<<endl;
        return out;
    }
   float computePrice()
    {
        float price=0;
        if(strcmp(country,"Germany")==0)
        {
            price+=baseprice*5/100;
            return price;
        }
        else
            return baseprice;

    }
};
class Wine: public AlcoholicDrink
{
private:
    int year;
    char gtype[20];
public:
    Wine(float percent,char *name, char *country, float baseprice, int year, char *gtype)
    {
        this->year=year;
        strcpy(this->gtype,gtype);
    }
    ~Wine(){}
    float computePrice()
    {
        float price=0;
        if(strcmp(country,"Italy")==0)
        {
            price+=baseprice*5/100;
        }
        else if(year<2005)
        {
            price+=baseprice*15/100;
        }
        return price;
    }
    friend ostream &operator<<(ostream &out, Wine &w)
    {
        out<<w.name<<" "<<w.country<<" "<<w.computePrice()<<endl;
        return out;
    }
};

void lowestPrice(AlcoholicDrink **a, int n)
{
    int minn=a[0]->computePrice();
    int index;
    for(int i=0;i<n;i++)
    {
        if(a[i]->computePrice()<minn)
        {
            minn=a[i]->computePrice();
            index=i;
        }
        // cout<<a[index]->AlcoholicDrink::name;
        cout<<minn;
    }
}

int main() {
    int testCase;
    cin >> testCase;
    float p;
    char name[100];
    char country[100];
    float price;
    bool mainI;
    int year;
    char grape [20];
    if(testCase == 1) {
        cout << "===== TESTING CONSTRUCTORS ======" << endl;
        cin >> p;
        cin >> name;
        cin >> country;
        cin >> price;
        cin >> mainI;
        Beer b(p, name, country, price, mainI);
        cout << b << endl;
        cin >> p;
        cin >> name;
        cin >> country;
        cin >> price;
        cin >> year;
        cin >> grape;
        Wine w(p, name, country, price, year, grape);
        cout << w << endl;

    } else if(testCase == 2) {
        cout << "===== TESTING LOWEST PRICE ======" << endl;
        int n;
        cin >> n;
        AlcoholicDrink** ad = new AlcoholicDrink*[n];
        for(int i = 0; i < n; ++i) {
            cin >> p;
            cin >> name;
            cin >> country;
            cin >> price;

            if(i % 2 == 1){
                cin >> mainI;
                ad[i] = new Beer(p, name, country, price, mainI);
            }
            else {
                cin >> year;
                cin >> grape;
                ad[i] = new Wine(p, name, country, price, year, grape);
            }
        }

        lowestPrice(ad, n);
        for(int i = 0; i < n; ++i) {
            delete ad[i];
        }
        delete [] ad;
    } else if(testCase == 3) {
        cout << "===== TESTING DISCOUNT STATIC ======" << endl;
        int n;
        cin >> n;
        AlcoholicDrink** ad = new AlcoholicDrink*[n];
        for(int i = 0; i < n; ++i) {
            cin >> p;
            cin >> name;
            cin >> country;
            cin >> price;
            if(i % 2 == 1){
                cin >> mainI;
                ad[i] = new Beer(p, name, country, price, mainI);
            }
            else {
                cin >> year;
                cin >> grape;
                ad[i] = new Wine(p, name, country, price, year, grape);
            }
        }
        AlcoholicDrink::total(ad, n);
        int d;
        cin >> d;
        AlcoholicDrink::changeDiscount(d);
        AlcoholicDrink::total(ad, n);
        for(int i = 0; i < n; ++i) {
            delete ad[i];
        }
        delete [] ad;
    }

}