Смирнов Михаил Александрович
23.09.2021 15:02 (8 д. 05:36)
[5404458]
#include "num.h"
// Mod that supports negative numbers
long long mod(long long x, int m) {
return (x % m + m) % m;
}
Num::Num(int value, int modulo) {
this->modulo = modulo;
this->value = modulo == 0 ? value : value % modulo;
}
Num &Num::operator=(const Num &other) {
this->value = other.value;
this->value = modulo == 0 ? value : value % modulo;
return *this;
}
Num Num::operator+(const Num &other) const {
long long sum = static_cast<long long> (other.value) + value;
return {static_cast<int>((modulo == 0 ? sum : sum % modulo)), this->modulo};
}
Num Num::operator*(const Num &other) const {
long long sum = static_cast<long long>(other.value) * value;
return {static_cast<int> (modulo == 0 ? sum : sum % modulo), this->modulo};
}
Num Num::operator-(int num) const {
long long sum = static_cast<long long>(value) - num;
return {static_cast<int> (modulo == 0 ? sum : mod(sum, modulo)), modulo};
}
Num Num::operator-(const Num &other) const {
long long sum = static_cast<long long>(value) - other.value;
return {static_cast<int> (modulo == 0 ? sum : mod(sum, modulo)), this->modulo};
}
Num Num::operator+(int num) const {
long long sum = static_cast<long long>(value) + num;
return {static_cast<int>(modulo == 0 ? sum : sum % modulo), modulo};
}
Num Num::operator*(int num) const {
long long sum = static_cast<long long>(num) * value;
return {static_cast<int> (modulo == 0 ? sum : sum % modulo), this->modulo};
}
Num &Num::operator+=(const Num &other) {
long long sum = static_cast<long long>( other.value) + value;
this->value = static_cast<int> (modulo == 0 ? sum : sum % modulo);
return *this;
}
Num &Num::operator-=(const Num &other) {
long long sum = static_cast<long long>(value) - other.value;
this->value = static_cast<int> (modulo == 0 ? sum : mod(sum, modulo));
return *this;
}
Num &Num::operator+=(int num) {
long long sum = static_cast<long long>( num) + value;
this->value = static_cast<int> (modulo == 0 ? sum : sum % modulo);
return *this;
}
Num &Num::operator*=(const Num &other) {
long long sum = static_cast<long long>( other.value) * value;
this->value = static_cast<int> (modulo == 0 ? sum : sum % modulo);
return *this;
}
Num &Num::operator-=(int num) {
long long sum = static_cast<long long>( value) - num;
this->value = static_cast<int> (modulo == 0 ? sum : mod(sum, modulo));
return *this;
}
Num &Num::operator*=(int num) {
long long sum = static_cast<long long>( num) * value;
this->value = static_cast<int> (modulo == 0 ? sum : sum % modulo);
return *this;
}