#ifndef VECTOR_H #define VECTOR_H struct Vector final { Vector(int x = 0, int y = 0); void set(int x, int y); bool compare(int x, int y) const; Vector& operator+=(const Vector& other); Vector operator+(const Vector& other) const; Vector operator-(const Vector& other) const; bool operator==(const Vector& other) const; int x; int y; }; #endif