结构体相关

#include <bits/stdc++.h>
using namespace std;


// 运算符重载
struct Point {
    int x, y;


    // 构造函数
    Point() : x(0), y(0) {}
    Point(int x, int y) : x(x), y(y) {}

    // 算术运算符
    Point operator+(const Point& other) const {
        return Point(x + other.x, y + other.y);
    }
    friend Point operator-(const Point& a, const Point& b) {
        return Point(a.x - b.x, a.y - b.y);
    }

    // 比较运算符
    bool operator==(const Point& other) const {
        return x == other.x && y == other.y;
    }
    bool operator<(const Point& other) const {
        return x < other.x || (x == other.x && y < other.y);
    }

    // 赋值运算符
    Point& operator=(const Point& other) {
        x = other.x;
        y = other.y;
        return *this;
    }

    // 输入输出
    friend ostream& operator<<(ostream& os, const Point& p) {
        os << "(" << p.x << ", " << p.y << ")";
        return os;
    }
    friend istream& operator>>(istream& is, Point& p) {
        is >> p.x >> p.y;
        return is;
    }
};

int main() {
   
    return 0;
}