ООП Лаб 5

1. Матрица
#include <iostream>
#include <cstring>

using namespace std;


class Matrica {
private:
    int brojNaElementi;
    float arr[10][10];
public:
    Matrica() {
        brojNaElementi = 10;
        for(int i=0; i<brojNaElementi; i++)
            for(int j=0; j<brojNaElementi; j++)
                arr[i][j] = 0;
    }
    Matrica(int brojNaElementi, float *arr[]) {
        this->brojNaElementi = brojNaElementi;
        for(int i=0; i<brojNaElementi; i++)
            for(int j=0; j<brojNaElementi; j++)
                this->arr[i][j] = arr[i][j];
    }
    Matrica& operator+(const int n) {
        for(int i=0; i < brojNaElementi; i++)
            for(int j=0; j < brojNaElementi; j++)
                arr[i][j] += n;
        return *this;
    }
    Matrica& operator-(const Matrica& m) {
        for(int i=0; i < brojNaElementi; i++)
            for(int j=0; j < brojNaElementi; j++)
                arr[i][j] -= m.arr[i][j];
        return *this;
    }
    Matrica operator*(const Matrica& m) {
        Matrica temp;
        for(int i=0; i < brojNaElementi; i++)
            for(int j=0; j < brojNaElementi; j++) {
                for(int l=0; l < brojNaElementi; l++)
                    temp.arr[i][j] += arr[i][l] * m.arr[l][j];
            }
        return temp;
    }
    friend ostream& operator<<(ostream &screamAndShout, const Matrica &m) {
        for(int i=0; i < m.brojNaElementi; i++) {
            for(int j=0; j < m.brojNaElementi; j++)
                screamAndShout << m.arr[i][j] << " ";
            screamAndShout << endl;
        }
        return screamAndShout;
    }
    friend istream& operator>>(istream&, Matrica&);
};

istream& operator>>(istream &takeItIn, Matrica &m) {
    takeItIn >> m.brojNaElementi >> m.brojNaElementi;
    for(int i=0; i < m.brojNaElementi; i++)
        for(int j=0; j < m.brojNaElementi; j++)
            takeItIn >> m.arr[i][j];
    return takeItIn;
    }


int main()
{
    Matrica A, B, C;
    cin >> A >> B >> C;
    Matrica D = B * C;
    Matrica R = A - D + 2;
    cout << R;
}

2. Планинарско друштво
#include <iostream>
#include <cstring>
using namespace std;

class PlDrustvo
{
private:
    char *name;
    int toursPassed, members;
public:
    PlDrustvo(const char *name="", const int toursPassed=0, const int members=0)
    {
        this->name=new char[strlen(name)+1];
        strcpy(this->name, name);
        this->toursPassed=toursPassed;
        this->members=members;
    }
    PlDrustvo(const PlDrustvo &r)
    {
        name=new char[strlen(r.name)+1];
        strcpy(name, r.name);
        toursPassed=r.toursPassed;
        members=r.members;
    }
    PlDrustvo &operator=(const PlDrustvo &r)
    {
        if(this!=&r)
        {
            delete [] name;
            name=new char[strlen(r.name)+1];
            strcpy(name, r.name);
            toursPassed=r.toursPassed;
            members=r.members;
        }
        return *this;
    }
    ~PlDrustvo()
    {
        delete [] name;
    }
    friend ostream &operator<<(ostream &out, const PlDrustvo &o)
    {
        return out<<"Ime: "<<o.name<<" Turi: "<<o.toursPassed<<" Clenovi: "<<o.members<<endl;
    }
    PlDrustvo operator+(const PlDrustvo &r)
    {
        PlDrustvo newDrustvo;
        newDrustvo.members=members+r.members;
        delete [] newDrustvo.name;
        if(members>r.members)
        {
            newDrustvo.name=new char[strlen(name)+1];
            strcpy(newDrustvo.name, name);
            newDrustvo.toursPassed=toursPassed;
        }
        else
        {
            newDrustvo.name=new char[strlen(r.name)+1];
            strcpy(newDrustvo.name, r.name);
            newDrustvo.toursPassed=r.toursPassed;
        }
        return newDrustvo;
    }
    bool operator>(const PlDrustvo &r) { return members>r.members; }
    bool operator<(const PlDrustvo &r) { return members<r.members; }
};

void najmnoguClenovi(PlDrustvo *dr, int n)
{
    PlDrustvo tmp=dr[0];
    for(int i=1; i<n; i++)
    {
        if(dr[i]>tmp)
        {
            tmp=dr[i];
        }
    }
    cout<<"Najmnogu clenovi ima planinarskoto drustvo: "<<tmp;
}

int main()
{
    PlDrustvo drustva[3];
    PlDrustvo pl;
    for (int i=0;i<3;i++)
    {
        char ime[100];
        int brTuri;
        int brClenovi;
        cin>>ime;
        cin>>brTuri;
        cin>>brClenovi;
        PlDrustvo p(ime,brTuri,brClenovi);
        drustva[i] = p;
    }
    pl = drustva[0] + drustva[1];
    cout<<pl;
    najmnoguClenovi(drustva, 3);
    return 0;
}

3. Автомобил
#include <iostream>
#include <cstring>
using namespace std;
class Automobile{
    char *marka;
    int *registracija;
    int maxSpeed;
public:
    Automobile(){marka=0;registracija=0;}
    Automobile(char *marka,int *registracija,int maxSpeed)
    {
        this->marka = new char[strlen(marka)+1];
            strcpy(this->marka,marka);
        this->registracija = new int[5];
        for(int i=0;i<5;i++)
        {
            this->registracija[i]=registracija[i];

        }
        this->maxSpeed=maxSpeed;
    }
    Automobile(const Automobile &a)
    {
        marka = new char[strlen(a.marka)+1];
        strcpy(marka,a.marka);
        registracija = new int[5];
        for(int i=0;i<5;i++)
        {
            registracija[i]=a.registracija[i];
        }
        maxSpeed=a.maxSpeed;
    }
    Automobile & operator =(const Automobile &a)
    {
        if(this!=&a)
        {
        marka = new char[strlen(a.marka)+1];
        strcpy(marka,a.marka);
        registracija = new int[5];
        for(int i=0;i<5;i++)
        {
            registracija[i]=a.registracija[i];
        }
        maxSpeed=a.maxSpeed;
        }
        return *this;
    }
    int getMax()
    {
        return maxSpeed;
    }
    ~Automobile(){
        delete [] marka;
        delete [] registracija;
    }
    bool operator ==(const Automobile &a)
    {
        for(int i=0;i<5;i++)
        {
            if(registracija[i]!=a.registracija[i])
            return false;
        }
        return true;
    }
    friend ostream & operator <<(ostream &out,const Automobile &a)
    {
        out<<"Marka\t"<<a.marka<<"\tRegistracija[ ";
        for(int i=0;i<5;i++)
        {
            out<<a.registracija[i]<<" ";
        }
        out<<"]";
        return out;
    }
};
class RentACar{
    char ime[100];
    Automobile *cars;
    int broj;
public:
    RentACar(){cars=0;broj=0;}
    RentACar(const char *ime)
    {
        strcpy(this->ime,ime);
        broj=0;
    }
    RentACar(const RentACar &r)
    {
        strcpy(ime,r.ime);
        cars = new Automobile[r.broj];
        for(int i=0;i<r.broj;i++)
        {
            cars[i]=r.cars[i];
        }
        broj = r.broj;
    }
    ~RentACar(){delete [] cars;}
    RentACar & operator +=(const Automobile &a)
    {
        Automobile *temp = cars;
        cars = new Automobile[broj+1];
        for(int i=0;i<broj;i++)
        {
            cars[i]=temp[i];
        }
        cars[broj]=a;
        broj++;
        return *this;
    }
    RentACar & operator -=(const Automobile &a)
    {
        for(int i=0;i<broj;i++)
        {
            if(cars[i]==a)
            {
                for(int j=i;j<broj-1;j++)
                {
                    cars[j]=cars[j+1];
                }
                broj--;
            }

        }
        return *this;
    }
    void pecatiNadBrzina(int max)
    {
        cout<<ime<<endl;
        for(int i=0;i<broj;i++)
        {
            if(cars[i].getMax()>max)
                cout<<cars[i];
        }
    }
};
int main()
{
   RentACar agencija("FINKI-Car");
   int n;
   cin>>n;

   for (int i=0;i<n;i++)
   {
        char marka[100];
        int regisracija[5];
        int maximumBrzina;

        cin>>marka;

        for (int i=0;i<5;i++)
            cin>>regisracija[i];

        cin>>maximumBrzina;

        Automobile nov=Automobile(marka,regisracija,maximumBrzina);

        //dodavanje na avtomobil
        agencija+=nov;

   }
    //se cita grehsniot avtmobil, za koj shto avtmobilot so ista registracija treba da se izbrishe
    char marka[100];
    int regisracija[5];
    int maximumBrzina;
    cin>>marka;
    for (int i=0;i<5;i++)
    cin>>regisracija[i];
    cin>>maximumBrzina;

    Automobile greshka=Automobile(marka,regisracija,maximumBrzina);

    //brishenje na avtomobil
    agencija-=greshka;

    agencija.pecatiNadBrzina(150);

    return 0;
}