OOP LV1 - 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.

#include <iostream>

using namespace std;

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.

#include <iostream>

using namespace std;

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;
}