Untitled

#include <iostream>
#include <cstring>
#include <list>

using namespace std;


class List {
private:
    int *niza;
    int n;
    void copy(const List & other) {
        this->n = other.n;
        this->niza = new int [this->n];
        for (int i=0;i<n;i++) {
            this->niza[i] = other.niza[i];
        }
    }
public:
    List() {
       this->n=0;
        this->niza = new int [n];
    }
    List(const List & other) {
        copy(other);
    }
    ~List() {
        delete [] niza;
    }
    List operator=(const List & other) {
        if (this!=&other) {
            delete [] niza;
            copy(other);
        }
        return *this;
    }
    void pecati() {
        cout<<" List info: ";
        for (int i=0;i<n;i++) {
            cout<<niza[i]<<" ";
        }
        cout<<" sum:" << sum()<<" average: "<< average()<<endl;
    }
    int sum() {
        int zbir= 0;
        for (int i=0;i<n;i++) {
            zbir+=niza[i];
        }
        return  zbir;
    }
    double average() {
        float avg = 0;
        for (int i=0;i<n;i++) {
            avg+=niza[i];
        }
        return (avg*1.0/n);
    }

};

class ListContainer {
private:
    List * listi;
    int size_listi;
    int attempt;
    void copy(const ListContainer & li) {
        this->size_listi = li.size_listi;
        this->attempt = 0;
        this->listi = new List[li.size_listi];
        for (int i=0;i<size_listi;i++) {
            this->listi[i] = li.listi[i];
        }
    }
public:
    ListContainer() {
        this->size_listi = size_listi;
        this->attempt = 0;
        this->listi = new List[size_listi];
        for (int i=0;i<size_listi;i++) {
            this->listi[i] = listi[i];
        }
    }
    ListContainer(const ListContainer & li) {
        copy(li);
    }
    ~ListContainer() {
        delete [] listi;
    }
    ListContainer operator=(const ListContainer & li) {
        if (this!=&li) {
            delete [] listi;
            copy(li);
        }
        return *this;
    }
    void pecati() {
        if (size_listi==0) {
            cout<<"nema"<<endl;
            return;
        }
        for (int i=0;i<size_listi;i++) {
            cout<<"List number: "<<i+1<<" List info: ";
            listi[i].pecati();
        }
        
    }

};

int main() {

    return 0;
}