alg ucty

#include <iostream>
#include <ctime>

using namespace std;

const int N=10; //pocet uctu
const int M=100000; //generovani cash
const int P=10;//urok
const int Y=1;//pocet let

class Ucet
{
private:
    static int m_Count;//aktualni pocet uctu
    int m_Urok;
    int m_CisloUctu;
    int m_Cash;
public:
    Ucet();
    int Cislo();
    int Urok();
    void Vlozit(int x);
    void Vybrat(int x);
    int AktualniStav();
    void PripsatUrok();
    virtual ~Ucet();
};

int Ucet::m_Count=0;//nastaven na 0 defaultne


class List
{
private:
    int m_items;//pocet items v seznamu
    struct Node
    {
        Ucet *data;
        Node *next;
        Node *prev;
    };
    Node *head;
    Node *current;
public:
    List();
    void Uroceni();
    void Vklad();
    void Vyber();
    void Report();
    bool isEmpty();
    void Insert(Ucet *X);
    virtual ~List();
};

List::List()
{
    m_items=0;
    head=current=NULL;
}

List::~List()
{
        while (head!=NULL)
        {
                Node *tmp = head;
                head=head->next;
                delete tmp;
        }
        current=NULL;
}

bool List::isEmpty()
{
    return head==NULL;
}

void List::Insert(Ucet *item)
{
    Node *add=new Node;
    m_items++;
    add->data=item;
    add->next=NULL;
    add->prev=NULL;
    if(head == NULL)
        {
            head=add;
        }
    else
        {
            current->next=add;
            add->prev=current;
        }
    current=add;
}

void List::Uroceni()
{
    Node *tmp;

    for(tmp=head;tmp!=NULL; tmp=tmp->next)
    {
        cout << "U" <<tmp->data->Cislo() <<"[" << tmp->data->AktualniStav() <<"]" << "[";
        tmp->data->PripsatUrok();
        cout << tmp->data->AktualniStav()<<"]"<<endl;
    }
}

void List::Vklad()
{
    int x =rand()%1000+1;
    Node *tmp;

    for(tmp=head; tmp!=NULL; tmp=tmp->next)
    {
        cout << "V" <<tmp->data->Cislo() <<"[" << tmp->data->AktualniStav() <<"]" << "[" <<x << "]" << endl;
        tmp->data->Vlozit(x);
    }
}

void List::Vyber()
{
    int x =rand()%1000+1;
    Node *tmp;

    for(tmp=head; tmp!=NULL; tmp=tmp->next)
    {
        cout << "X" <<tmp->data->Cislo() <<"[" << tmp->data->AktualniStav() <<"]" << "[" <<x << "]" << endl;
        tmp->data->Vybrat(x);
    }
}

void List::Report()
{
        if (isEmpty())
        {
                cout << "list is empty" << endl;
        }
        else
        {
                cout << "---HEAD---" << endl;
                Node *tmp;
                for(tmp=head; tmp!=NULL; tmp=tmp->next)
                {
                    cout << tmp->data->AktualniStav() << endl;
                }
                cout << endl;
        }
}

Ucet::Ucet()
{
    m_Cash=rand()%M+1000;
    m_CisloUctu=m_Count+1;
    m_Urok=rand()%P+1;
    m_Count++;
    cout << "G" <<m_CisloUctu<<"["<< m_Urok << "]" << "[" << m_Cash << "]" << endl;
}

void Ucet::PripsatUrok()
{
    int x;
    x=m_Cash/100*m_Urok;
    m_Cash+=x;
}

int Ucet::Urok()
{
    return m_Urok;
}

int Ucet::Cislo()
{
    return m_CisloUctu;
}

void Ucet::Vlozit(int x)
{
    m_Cash+=x;
}

void Ucet::Vybrat(int x)
{
    if (x<m_Cash)
    {
        m_Cash-=x;
    }
    else
    {
        cout << "nelze vybrat vice, nez je na uctu" << endl;
    }
}

int Ucet::AktualniStav()
{
    return m_Cash;
}

Ucet::~Ucet()
{

}


int main()
{
    Ucet *p[N];//vytvorime pole N uctu
    for(int i=0;i<N;i++)
    {
        p[i]=new Ucet(); //priradime jim hodnoty
    }

    cout << endl;

    List L;//vytvorime seznam

    for(int i =0;i<N;i++)
    {
        L.Insert(p[i]);//vlozime postupne data z pole uctu do seznamu
    }

    int x=Y*12;

    while(x>=0)
    {
        if(x%2==1)
        {
            L.Vklad();
        }
        else
        {
            L.Vyber();
        }
        if (x%12==0)
        {
            L.Uroceni();
            cout << " -------- year --------" << endl;
        }
        x--;
    }

    for(int i=0;i<N;i++)
    {
        delete p[i]; //smazeme vsechny dynamicky vytvorene ucty
    }

    return 0;
}