[OOP] LV1 - Zadaci + Analiza

// Zadaci
// 1. zadatak
class Die {
private:
    int mDice[6];
    int RollDice();
    void SetDice(int, int);

public:
    int GetDice(int);
    Die();
    Die(int, int, int, int, int, int);
};

int Die::RollDice()
{
    int random = rand() % 6 + 1;

    return random;
}

void Die::SetDice(int n, int number)
{
    mDice[n] = number;
}

int Die::GetDice(int n)
{
    return mDice[n];
}

Die::Die()
{
    int i;

    std::srand((unsigned int)std::time(0));
    for (i = 0; i < 6; i++)
    {
        SetDice(i, RollDice());
    }
}

Die::Die(int dice1, int dice2, int dice3, int dice4, int dice5, int dice6)
{
    mDice[0] = dice1;
    mDice[1] = dice2;
    mDice[2] = dice3;
    mDice[3] = dice4;
    mDice[4] = dice5;
    mDice[5] = dice6;
}

int main()
{
    Die Igrac1;
    Die Igrac2(1, 2, 3, 4, 5, 6);
    int i, sum1 = 0, sum2 = 0;

    for (i = 0; i < 6; i++)
    {
        sum1 += Igrac1.GetDice(i);
    }

    for (i = 0; i < 6; i++)
    {
        sum2 += Igrac2.GetDice(i);
    }

    if (sum1 > sum2)
    {
            cout << "Igrac1 wins!" << endl;
    }
    else if (sum2 > sum1)
    {
            cout << "Igrac2 wins!" << endl;
    }
}

// 2. zadatak
class Kompleksni
{
private:
    int realni;
    int imaginarni;
    friend Kompleksni Zbroj(Kompleksni, Kompleksni);
public:
    float Modul();
    int getRealni();
    int getImaginarni();
    Kompleksni();
    Kompleksni(int, int);
    void setRealni(int);
    void setImaginarni(int);
};

Kompleksni::Kompleksni()
{
}

Kompleksni::Kompleksni(int a, int b)
{
    realni = a;
    imaginarni = b;
}

float Kompleksni::Modul()
{
    float modul;
    modul = sqrt(pow(realni, 2) + pow(imaginarni, 2));

    return modul;
}

int Kompleksni::getRealni()
{
    return realni;
}

int Kompleksni::getImaginarni()
{
    return imaginarni;
}

void Kompleksni::setRealni(int a)
{
    realni = a;
}

void Kompleksni::setImaginarni(int b)
{
    imaginarni = b;
}

Kompleksni Zbroj(Kompleksni a, Kompleksni b)
{
    Kompleksni zbroj(a.getRealni() + b.getRealni(), a.getImaginarni() + b.getImaginarni());

    return zbroj;
}

int main()
{
    Kompleksni prvi;
    Kompleksni drugi(5, 2);
    int a, b;

    cin >> a;
    cin >> b;
    prvi.setRealni(a);
    prvi.setImaginarni(b);
    cout << Zbroj(prvi, drugi).getRealni() << "+" << Zbroj(prvi, drugi).getImaginarni() << "i" << endl;
    cout << prvi.Modul() << endl;
    cout << drugi.Modul() << endl;

    system("PAUSE");
    return 0;
}

// 3. zadatak
class Point2D {
private:
    int mX;
    int mY;
public:
    int GetX();
    int GetY();
    void SetX(int);
    void SetY(int);
    Point2D();
    Point2D(int, int);
};

int Point2D::GetX() {
    return mX;
}

int Point2D::GetY() {
    return mY;
}

void Point2D::SetX(int x) {
    mX = x;
}

void Point2D::SetY(int y) {
    mY = y;
}

Point2D::Point2D() {
}

Point2D::Point2D(int x, int y) : mX(x), mY(y) {
}

class Line {
private:
    Point2D Dot;
public:
    void SetDot(int, int);
    int GetDotX();
    int GetDotY();
    void PrintLine(Point2D, Point2D);
};

void Line::PrintLine(Point2D D1, Point2D D2)
{
    float k = ((D2.GetX() - D1.GetX()) / (D2.GetY() - D1.GetY()));
    float l = D1.GetY() - k * (D1.GetX());

    cout << k << "x +" << l << endl;
}

int Line::GetDotX() {
    return Dot.GetX();
}

int Line::GetDotY() {
    return Dot.GetY();
}

int main()
{
    Line Line;
    Point2D D1(4, 2);
    Point2D D2(5, 3);

    Line.PrintLine(D1, D2);

    return 0;
}

// Analiza
//1. Definirajte klasu koja predstavlja bankovni tekući račun s atributima za stanje,
//za postavljanje i dohvaćanje atributa, metode za uplatu i isplatu
//(voditi računa o limitu), metodu za pripis kamate te metodu za ispis stanja.
//Povesti računa o enkapsulaciji.

class BankAccount {
private:
    float mBalance;
    float mInterest;
    float mLimit;
public:
    float GetBalance() { return mBalance; }
    float GetInterest() { return mInterest; }
    float GetLimit() { return mLimit; }
    void SendPayment(float);
    void RequestPayment(float);
    void InterestAssignment(float);
    BankAccount();
    BankAccount(float, float, float);
};

void BankAccount::SendPayment(float payment) {
    int i, count = 0, status = 0;

    for (i = 0; i < payment; i++) {
        if (mBalance >= 0) {
            mBalance += 1;
        }
        else if (mBalance < 0) {
            mBalance += 1;
            count++;
            status = 1;
        }
    }

    if (status) {
        mBalance -= count * (mInterest / 100);
    }
}

void BankAccount::RequestPayment(float payment) {
    int i, count = 0, status = 0;
    float balance = mBalance;

    for (i = 0; i < payment; i++) {
        if (balance >= 0) {
            balance -= 1;
        }
        else if (balance < 0) {
            balance -= 1;
            count++;
            status = 1;
        }
    }

    if (status) {
        balance -= count * (mInterest / 100);
    }

    count = 0;
    status = 0;

    if (balance > mLimit) {
        for (i = 0; i < payment; i++) {
            if (mBalance >= 0) {
                mBalance -= 1;
            }
            else if (mBalance < 0) {
                mBalance -= 1;
                count++;
                status = 1;
            }
        }

        if (status) {
            mBalance -= count * (mInterest / 100);
        }
    }
    else
        cout << "Error!" << endl;
}

void BankAccount::InterestAssignment(float interest) {
    mInterest += interest;
}

BankAccount::BankAccount() : mBalance(0), mInterest(0), mLimit(0)
{
}

BankAccount::BankAccount(float balance, float interest, float limit) : mBalance(balance), mInterest(interest), mLimit(limit)
{
}

int main() {
    BankAccount N(500, 4, -1000);
    int menu;
    float payment;
    float interest;

    cout << "Welcome to your Bank Account menu." << endl;
    cout << "1 - Check balance, interest and limit." << endl;
    cout << "2 - Send payment." << endl;
    cout << "3 - Request payment." << endl;
    cout << "4 - Change interest assignment." << endl;
    cout << "0 - Exit." << endl;

    do {
        cout << endl << "Please enter specific number: ";
        cin >> menu;
        switch (menu) {
        case 0:
            break;
        case 1:
            cout << "Balance: " << N.GetBalance() << "$" << endl;
            cout << "Interest: " << N.GetInterest() << "%" << endl;
            cout << "Limit: " << N.GetLimit() << "$" << endl;
            break;
        case 2:
            do {
                cout << "Enter payment amount: ";
                cin >> payment;
            } while (payment < 0);
            N.SendPayment(payment);
            cout << "New balance: " << N.GetBalance() << "$" << endl;
            break;
        case 3:
            do {
                cout << "Enter payment amount: ";
                cin >> payment;
            } while (payment < 0);
            N.RequestPayment(payment);
            cout << "New balance: " << N.GetBalance() << "$" << endl;
            break;
        case 4:
            do {
                cout << "Enter interest assignment: ";
                cin >> interest;
            } while (interest < 0);
            N.InterestAssignment(interest);
            cout << "New interest: " << N.GetInterest() << "%" << endl;
            break;
        default:
            cout << "1 - Check balance, interest and limit." << endl;
            cout << "2 - Send payment." << endl;
            cout << "3 - Request payment." << endl;
            cout << "4 - Change interest assignment." << endl;
            cout << "0 - Exit." << endl;
            break;
        }
    } while (menu != 0);

    return 0;
}

//2. Definirajte klasu koja predstavlja pravokutnik, omogućuje pristup atributima
//te nudi mogućnost računanja površine i opsega pravokutnika.Napisati
//funkciju koja uspoređuje tri pravokutnika po veličini i ispisuje površinu
//najvećeg.Povesti računa o enkapsulaciji.

class Rectangle {
private:
    int mA, mB;
public:
    float CalculateArea();
    float CalculateExtent();
    Rectangle();
    Rectangle(int, int);
};

float Rectangle::CalculateArea() {
    return (mA * mB);
}

float Rectangle::CalculateExtent() {
    return (2 * mA + 2 * mB);
}

Rectangle::Rectangle() : mA(0), mB(0)
{
}

Rectangle::Rectangle(int a, int b) : mA(a), mB(b)
{
}

int main() {
    Rectangle N1(4, 5);
    Rectangle N2(3, 7);
    Rectangle N3(9, 6);

    if (N1.CalculateExtent() > N2.CalculateExtent() && N1.CalculateExtent() > N3.CalculateExtent()) {
        cout << N1.CalculateExtent() << endl;
    }
    else if (N2.CalculateExtent() > N3.CalculateExtent()) {
        cout << N2.CalculateExtent() << endl;
    }
    else {
        cout << N3.CalculateExtent() << endl;
    }

    return 0;
}