#pragma once
#include <fstream>
struct Element {
    int row;
    int col;
    int value;
    Element* next = nullptr;
    Element(int, int, int);
};

class SparseMatrix {
private:
    Element* Start = nullptr;
    Element* End = nullptr;
    int rows;
    int cols;
public:
    SparseMatrix(int, int);
    ~SparseMatrix();
    void addElement(int row, int col, int value);
    void Read(std::ifstream& file1);
    void Sort();
    void Print(std::ofstream& file2);
    SparseMatrix& operator+=(const SparseMatrix& other);
    SparseMatrix& operator-=(const SparseMatrix& other);
    SparseMatrix& operator=(const SparseMatrix& other);
    SparseMatrix& operator*=(const double a);
    SparseMatrix& operator*=(const SparseMatrix& other);
};