BUP_Ass

#include<iostream>
#include<math.h>

using namespace std;

class Triangle{
    double side1, side2, side3;
public:
    Triangle()
    {
        this->side1 = this->side2 = this->side3 = 0;
    }
    Triangle(int side1, int side2 = 0, int side3 = 0)
    {
        this->side1 = side1;
        this->side2 = side2;
        this->side3 = side3;
    }
    double getSide1()
    {
        return this->side1;
    }
    double getSide2()
    {
        return this->side2;
    }
    double getSide3()
    {
        return this->side3;
    }
    void setSide1(int side1)
    {
        this->side1 = side1;
    }
    void setSide2(int side2)
    {
        this->side2 = side2;
    }
    void setSide3(int side3)
    {
        this->side3 = side3;
    }
    double getArea()
    {
        double s = getPerimeter();
        if(s == 0)
            return 0;
        s /= 2.0;
        return sqrt(s * (s - this->side1) * (s - this->side2) * (s - this->side3));
    }
    double getPerimeter()
    {
        return (this->side1 + this->side2 + this->side3);
    }
};

class Fraction
{
    int numerator, denominator;
public:
    Fraction()
    {
        this->numerator = 0;
        this->denominator = 1;
    }
    Fraction(int numerator, int denominator)
    {
        this->numerator = numerator;
        this->denominator = denominator == 0 ? 1 : denominator;
    }
    int getNumerator()
    {
        return this->numerator;
    }
    int getDenominator()
    {
        return this->denominator;
    }
    void setNumerator(int numerator)
    {
        this->numerator = numerator;
    }
    void setDenominator(int denominator)
    {
        this->denominator = denominator == 0 ? 1 : denominator;
    }
};

int main()
{
    Triangle t1, t2(3, 4, 5);
    t1.setSide1(6);
    t1.setSide2(8);
    t1.setSide3(10);
    cout << "Perimeter of first triangle: " << t1.getPerimeter()
         << "\nArea of first triangle: " << t1.getArea() << "\n\n";
    cout << "Perimeter of second triangle: " << t2.getPerimeter()
         << "\nArea of second triangle: " << t2.getArea() << "\n\n";

    Fraction f1, f2(5, 3);
    f1.setNumerator(7);
    f1.setDenominator(0);
    cout << "First fraction: " << f1.getNumerator() << "/" << f1.getDenominator() << "\n\n";
    cout << "Second fraction: " << f2.getNumerator() << "/" << f2.getDenominator() << "\n\n";

    return 0;
}