PV913FractionPart1

#include <iostream>

class Fraction
{
    int numerator;
    int denominator;
public:
    Fraction(int num, int denom) : numerator{ num }, denominator{ denom ? denom : 1 } { std::cout << "Fraction constructed for " << this << '\n'; };
    Fraction() : Fraction(1, 1) {};
    ~Fraction() { std::cout << "Fraction destructed for " << this << '\n'; };
    void setNumerator(int num) { numerator = num; };
    int getNumerator() { return numerator; };
    void setDenominator(int denom) { denominator = denom ? denom : 1; };
    int getDenominator() { return denominator; };
    void print();
    void mul(const Fraction& fract) { numerator *= fract.numerator; denominator *= fract.denominator; };
    void mul(int num) { numerator *= num; };
    void div(const Fraction& fract) { numerator *= fract.denominator; denominator *= fract.numerator; };
    void div(int num) { denominator *= num; };
};

void Fraction::print()
{
    std::cout << '(' << numerator << " / " << denominator << ")";
};

int main()
{
    Fraction a{ 1,3 };
    Fraction b{ 2,5 };
    Fraction c;

    a.print(); std::cout << '\n';
    b.print(); std::cout << '\n';
    c.print(); std::cout << '\n';

    a.mul(b);
    a.print(); std::cout << '\n';

    b.div(4);
    b.print(); std::cout << '\n';

}