int NWD(int a, int b) {
if (a != b) {
if (a < b) {
NWD(a, b - a);
}
else {
NWD(a - b, b);
}
}
else {
return a;
}
}
class Ulamek {
public:
int Licznik;
int Mianownik;
Ulamek() {
}
Ulamek(int licznik, int mianownik) {
Licznik = licznik;
if (mianownik != 0)
Mianownik = mianownik;
}
static Ulamek Suma(Ulamek one, Ulamek two) {
Ulamek ret = Ulamek();
if (one.Mianownik == two.Mianownik) {
ret.Licznik = one.Licznik + two.Licznik;
ret.Mianownik = one.Mianownik;
}
else {
ret.Licznik = one.Licznik * two.Mianownik + two.Licznik * one.Mianownik;
ret.Mianownik = one.Mianownik * two.Mianownik;
}
return ret;
}
static Ulamek Roznica(Ulamek one, Ulamek two) {
Ulamek ret = Ulamek();
if (one.Mianownik == two.Mianownik) {
ret.Licznik = one.Licznik - two.Licznik;
ret.Mianownik = one.Mianownik;
}
else {
ret.Licznik = one.Licznik * two.Mianownik - two.Licznik * one.Mianownik;
ret.Mianownik = one.Mianownik * two.Mianownik;
}
return ret;
}
static Ulamek Iloczyn(Ulamek one, Ulamek two) {
return Ulamek(one.Licznik * two.Licznik, two.Mianownik * one.Mianownik);
}
static Ulamek Iloraz(Ulamek one, Ulamek two) {
return Ulamek(one.Licznik * two.Mianownik, two.Licznik * one.Mianownik);
}
static Ulamek Skroc(Ulamek One) {
int a = NWD(One.Licznik, One.Mianownik);
return Ulamek(One.Licznik / a, One.Mianownik / a);
}
};
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