67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
#pragma once
|
|
#ifndef SJTU_BIGINTEGER
|
|
#define SJTU_BIGINTEGER
|
|
|
|
#include <complex>
|
|
#include <cstdio>
|
|
#include <cstring>
|
|
#include <iostream>
|
|
#include <vector>
|
|
|
|
namespace sjtu {
|
|
class int2048 {
|
|
size_t buf_length = 0;
|
|
const static int kMod = 100000000, kNum = 8, kDefaultLength = 10;
|
|
const static int kMemAdditionScalar = 2, kMemDeleteScalar = 4;
|
|
int *val = nullptr;
|
|
signed char flag = +1;
|
|
int num_length = 0;
|
|
|
|
public:
|
|
int2048();
|
|
int2048(long long);
|
|
int2048(const std::string &);
|
|
int2048(const int2048 &);
|
|
|
|
void read(const std::string &);
|
|
void print();
|
|
|
|
int2048 &add(const int2048 &);
|
|
friend int2048 add(int2048, const int2048 &);
|
|
|
|
int2048 &minus(const int2048 &);
|
|
friend int2048 minus(int2048, const int2048 &);
|
|
|
|
int2048 operator+() const;
|
|
int2048 operator-() const;
|
|
|
|
int2048 &operator=(const int2048 &);
|
|
|
|
int2048 &operator+=(const int2048 &);
|
|
friend int2048 operator+(int2048, const int2048 &);
|
|
|
|
int2048 &operator-=(const int2048 &);
|
|
friend int2048 operator-(int2048, const int2048 &);
|
|
|
|
int2048 &operator*=(const int2048 &);
|
|
friend int2048 operator*(int2048, const int2048 &);
|
|
|
|
int2048 &operator/=(const int2048 &);
|
|
friend int2048 operator/(int2048, const int2048 &);
|
|
|
|
int2048 &operator%=(const int2048 &);
|
|
friend int2048 operator%(int2048, const int2048 &);
|
|
|
|
friend std::istream &operator>>(std::istream &, int2048 &);
|
|
friend std::ostream &operator<<(std::ostream &, const int2048 &);
|
|
|
|
friend bool operator==(const int2048 &, const int2048 &);
|
|
friend bool operator!=(const int2048 &, const int2048 &);
|
|
friend bool operator<(const int2048 &, const int2048 &);
|
|
friend bool operator>(const int2048 &, const int2048 &);
|
|
friend bool operator<=(const int2048 &, const int2048 &);
|
|
friend bool operator>=(const int2048 &, const int2048 &);
|
|
};
|
|
} // namespace sjtu
|
|
|
|
#endif |