structers one linked list

 laba spiski

#include<string>
#include <iostream>
#include <iomanip>
using namespace std;
struct info
{
   int year=0; string name="" ; int  diameter=0, frequency=0;
   info():year(0), name(""), diameter(0), frequency(0) { }
  /* info(info* data) :year(data->year), name(data->name),
       diameter(data->diameter), frequency(data->frequency)*/
 info(info* data) {
       year = data->year;
       name = data->name;
       diameter = data->diameter;
       frequency = data->frequency;
   }
   info(int year, string name, int  diameter,int frequency) {
       this->year =year;
       this->name = name;
       this->diameter = diameter;
       this->frequency = frequency;
    }
};
struct List {
   info listInfo;
   List* next;
   List* head;
   int size;
   List(): head(nullptr), size(0), next(0){}
   List(info data, List* next = nullptr){
       this->listInfo.year = data.year;
       this->listInfo.name = data.name;
       this->listInfo.diameter = data.diameter;
       this->listInfo.frequency = data.frequency;
       this->next = next;
   }//?
   info& operator [](const int index) {
       List* current(head);
       int counter = 0;
       while (current != nullptr)
       {
           if (counter == index)
           {
               return current->listInfo;
           }
           current = current->next;
           counter++;
       }
   }
  void operator =(const List &list){
      this->listInfo = (list.listInfo);
      // return *this;
   }
   void PushBack(info data){
       if (head == nullptr) {
           head = new List;
           head->listInfo = new info(data);
       }
       else {
           List* temp = this->head;
           while (next) {
               next = temp->next;
           }
           temp->next = new List(data);
       }
       size++;
   }
   List(List* data) {
      List* temp = data->head;
      while (temp != nullptr) {
          this->PushBack(data->listInfo);
          temp = temp->next;
      }
   }
 /*  void Sethead(int year, string name, int diameter, int frequency) {
       this->head->listInfo.year = year;
       this->head->listInfo.name = name;
       this->head->listInfo.diameter = diameter;
       this->head->listInfo.frequency = frequency;
       this->head->next = NULL;
   }*/
  /* List* Sortby(int parameter, List* list) { НУЖЕН ИТЕРАТОР
       if (parameter == 1){
               for (int i = n - 1; i >= 0; i--)
                   for (int j = 0; j < i; j++)
                       if (list->listInfo.name >list->listInfo.name)
                           swap(Tables[j], Tables[j + 1]);
               cout << endl;
               print(list);
           }
       }
   }*/
   List* AddList(int year, string name, int diameter, int frequency, List* previous) {
       List* input = new List;
       if (previous==NULL) {
          // Sethead(year, name, diameter, frequency);
      }
       input->listInfo.year = year;
       input->listInfo.name = name;
       input->listInfo.diameter = diameter;
       input->listInfo.frequency = frequency;
       input->next = previous->next;
       previous->next = input;
       return input;
   }
};
void print(List* list);
void AddLast(List **list);
int main()
{
   List* list = new List;
   info data;
   data.year = 1955;
   data.name = "Michael Anatolievych";
   data.diameter = 50;
   data.frequency = 12;
   list->PushBack(data);
   info data2(1999, "Storch ", 70, 13);
   list->PushBack(data2);
   List* list2(list);
   print(list2);
   list[1].listInfo.year = 554455;
   print(list);
       return 0;
}
void print(List* list) {
   List* Print = list->head;
   cout << "|  Year |        Name               |  Diameter | Frequency |\n";
   if (Print)
       while (Print) {
           cout << "|" << setw(7) << Print->listInfo.year << "|" << setw(27) << Print->listInfo.name << "|"
               << setw(11) << Print->listInfo.diameter << "|" << setw(11) << Print->listInfo.frequency << "|\n";
           Print = Print->next;
       }
   else {