#include <fstream>
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;

struct node{
    int info;
    float price;
    struct node *next;
}*start;

class linked_list{
    public:
        node* create_node(int, float);
        void into_list(int, float);
        void delete_pos(int);
        int search(int);
        void sort();
        void reverse();
        void display();

    linked_list(){
        start = NULL;
    }
};