#include "num.h"
#define ll long long
Num::Num(int value, int modulo) : value(value), modulo(modulo) {
if (modulo != 0)
this->value = value % modulo;
}
Num& Num::operator=(const Num& other) {
this->value = other.value;
this->modulo = other.modulo;
return *this;
}
Num Num::operator+(const Num& other) {
Num n(this->value, this->modulo);
n += other;
return n;
}
Num Num::operator-(const Num& other) {
Num n(this->value, this->modulo);
n -= other;
return n;
}
Num Num::operator*(const Num& other) {
Num n(this->value, this->modulo);
n *= other;
return n;
}
Num Num::operator+(int num) {
Num n(this->value, this->modulo);
n += num;
return n;
}
Num Num::operator-(int num) {
Num n(this->value, this->modulo);
n -= num;
return n;
}
Num Num::operator*(int num) {
Num n(this->value, this->modulo);
n *= num;
return n;
}
Num& Num::operator+=(const Num& other) {
if (this->modulo != 0)
this->value = ((ll)this->value % this->modulo + other.value % this->modulo) % this->modulo;
else
this->value = this->value + other.value;
return *this;
}
Num& Num::operator-=(const Num& other) {
if (this->modulo != 0) {
this->value = ((ll)this->value % this->modulo - other.value % this->modulo) % this->modulo;
if (this->value < 0) {
this->value = this->modulo + this->value;
}
} else
this->value = this->value - other.value;
return *this;
}
Num& Num::operator*=(const Num& other) {
if (this->modulo != 0)
this->value = ((ll)this->value % this->modulo * other.value % this->modulo) % this->modulo;
else
this->value = this->value * other.value;
return *this;
}
Num& Num::operator+=(int num) {
if (this->modulo != 0)
this->value = ((ll)this->value % this->modulo + num % this->modulo) % this->modulo;
else
this->value = this->value + num;
return *this;
}
Num& Num::operator-=(int num) {
if (this->modulo != 0) {
this->value = ((ll)this->value % this->modulo - num % this->modulo) % this->modulo;
if (this->value < 0) {
this->value = this->modulo + this->value;
}
} else {
this->value = this->value - num;
}
return *this;
}
Num& Num::operator*=(int num) {
if (this->modulo != 0)
this->value = ((ll)this->value % this->modulo * num % this->modulo) % this->modulo;
else
this->value = this->value * num;
return *this;
}