5. Musician

#include <iostream>
#include <cstring>

using namespace std;

class Musician
{
protected:
    char name[100];
    float earnings;
    int performances;
    char gender;
public:
    virtual float performancePrice() = 0;
    virtual float danok() = 0;
    Musician(){}
    Musician(char *n, float e, int p, char g)
    {
        strcpy(name,n);
        earnings=e;
        performances=p;
        gender=g;
    }
    friend ostream &operator<<(ostream &output, const Musician &rhs)
    {
        output<<rhs.name<<endl<<rhs.earnings<<endl<<rhs.gender<<endl;
        return output;
    }
    bool operator> (Musician &rhs)
    {
        return this->performancePrice()>rhs.performancePrice();
    }
};

class Guitarist:public Musician
{
    float guitarPrice;
public:
    Guitarist(){}
    Guitarist(char *n, float e, int p, char g, float gp):Musician(n,e,p,g)
    {
        guitarPrice=gp;
    }
    float performancePrice()
    {
        return guitarPrice/10;
    }
    float danok()
    {
        return (performances>30)?earnings*0.08:earnings*0.1;
    }
};

class Drummer:public Musician
{
    int age;
public:
    Drummer(){}
    Drummer(char *n, float e, int p, char g, int a):Musician(n,e,p,g)
    {
        age=a;
    }
    float performancePrice()
    {
        return age*50;
    }
    float danok()
    {
        return (gender=='M')?0.12*earnings:0.1*earnings;
    }
};

void mostExpensiveMusician(Musician **arr, int n)
{
    float highestPrice=arr[0]->performancePrice();
    int id=0;
    for(int i=1;i<n;i++)
        if(highestPrice<arr[i]->performancePrice())
        {
            highestPrice=arr[i]->performancePrice();
            id=i;
        }
    cout<<*arr[id];
}

int main() {
    int n, x;
    cin >> n >> x;
    Musician **m = new Musician*[n];
    for(int i = 0; i < n; ++i) {
        char ime[100];
        float zarabotka;
        int nastapi;
        char pol;
        cin >> ime >> zarabotka >> nastapi >> pol;
        if(i < x) {
            float cena_gitara;
            cin >> cena_gitara;
            m[i] = new Guitarist(ime, zarabotka, nastapi, pol, cena_gitara);
        } else {
            int vozrast;
            cin >> vozrast;
            m[i] = new Drummer(ime, zarabotka, nastapi, pol, vozrast);
        }
    }
    cout << "=== TAX ===" << endl;
    for(int i = 0; i < n; ++i) {
        cout << *m[i];
        cout << m[i]->danok() << endl;
    }
    cout << "=== MOST EXPENSIVE ===" << endl;
    mostExpensiveMusician(m, n);

    for(int i = 0; i < n; ++i) {
        delete m[i];
    }
    delete [] m;
    return 0;
}