Cały kod

#include <iostream>
#include <memory>
#include <vector>
#include <time.h>

struct List
{
	std::unique_ptr<List> next;
	int value;
	List(int value) : value(value) {};
};
void drukujListe(List * head)
{
	if (head->next) {
		std::cout << head->value << " ";
		return drukujListe(head->next.get());

	}
	else std::cout << head->value<<" ";
}
void addBackToList(std::unique_ptr<List>& list, int value)
{
	if (list) {
		addBackToList(list->next, value);
	}
	else {
		list = std::make_unique<List>(value);
	}
}
void addFrontToList(std::unique_ptr<List>& list, int value)
{

	std::unique_ptr<List>& tmp = std::make_unique<List>(value);
	if (list) {
		tmp->next = std::move(list);
	}
	list = std::move(tmp);
}
bool isMember(std::unique_ptr<List>& list, int value) {

	if (list->next) {
		if (list->value == value) {
			return isMember(list->next, value) + 1;
		}
		else return isMember(list->next, value);
			}
	else {
		if (list->value == value) {
			return 1;
		}
		else return 0;
	}
}
void oneElement(std::unique_ptr<List>& list, int number) {
	if (number==1){
		std::cout << list->value;
	}
	if (list->next) {

		oneElement(list->next, number - 1);
	}
}

std::vector<std::vector<int>> gnp(int n, float p, std::vector<std::vector<int>>& v)
{
	float wynik = 0;
	srand(time(NULL));
	for (int i = 0; i<n; i++)
	{
		std::vector<int>pom;
		for (int j = 0; j<n; j++)
		{
			int x = 0;
			pom.push_back(x);
		}
		v.push_back(pom);
	}
	for (int i = 0; i < n; i++)
		for (int j = i + 1; j < n; j++)
		{
			wynik = rand() % 10;
			if ((wynik / 10) < p)
			{
				v[i][j] = 1;
				v[j][i] = 1;
			}
		}
	return v;
}
void displayGNP(const std::vector<std::vector<int>> & matrix)
{
	for (int i = 0; i<matrix.size(); i++)
	{
		for (int j = 0; j<matrix[0].size(); j++)
		{
			std::cout << matrix[i][j] << " ";
		}
		std::cout << std::endl;
	}
}

std::vector<List*> GNPtoLIST(const std::vector<std::vector<int>> & matrix) {
	std::vector<List*> vlist;
	std::unique_ptr<List> list;

	for (int i = 0; i<5; i++)

	{
	addBackToList(list, 5);
	}

	vlist.push_back(list.get());
	list.reset(nullptr);
	return vlist;
}
void wyswietlGNP(std::vector<List*>vlist) {
	for (int i = 0; i<vlist.size(); i++)
	{
		drukujListe(vlist[i]);
		std::cout << std::endl;
	}
}

void zadanie1() {
	std::cout << std::endl << "Zadanie 1" << std::endl << std::endl;

	std::unique_ptr<List> list;
	addBackToList(list, 4);
	addBackToList(list, 2);
	addBackToList(list, 7);
	addBackToList(list, 11);
	drukujListe(list.get());
}
void zadanie2() {
	std::cout << std::endl << std::endl << "Zadanie 2" << std::endl << std::endl;

	std::unique_ptr<List> list;
	addBackToList(list, 4);
	addBackToList(list, 2);
	addBackToList(list, 7);
	addBackToList(list, 11);
	drukujListe(list.get());
}
void zadanie3() {
	std::cout << std::endl << std::endl << "Zadanie 3" << std::endl << std::endl;

	std::unique_ptr<List> list;

	addFrontToList(list, 4);
	addFrontToList(list, 2);
	addFrontToList(list, 7);
	addFrontToList(list, 11);

	drukujListe(list.get());
}
void zadanie4(){
	std::cout << std::endl << std::endl << "Zadanie 4" << std::endl << std::endl;
	std::unique_ptr<List> list;

	addFrontToList(list, 4);
	addFrontToList(list, 2);
	addFrontToList(list, 7);
	addFrontToList(list, 11);

	drukujListe(list.get());
	int x = 11;
	if (isMember(list, x)) {
		std::cout << "Liczba " << x << " nalezy do tej listy";
	}
	else {
		std::cout << "Liczba " << x << " nie nalezy do tej listy";

	}
}
void zadanie5() {
	std::cout << std::endl << std::endl << "Zadanie 5" << std::endl << std::endl;

	std::vector<std::vector<int>>v;
	gnp(5, 0.5, v);
	displayGNP(v);
	std::cout << std::endl;
	GNPtoLIST(v);
	//wyswietlGNP(GNPtoLIST(v));


}
void zadanie6() {
	std::cout << std::endl << std::endl << "Zadanie 5" << std::endl << std::endl;

	std::vector<std::vector<int>>v;
	gnp(5, 0.5, v);
	displayGNP(v);
	std::cout << std::endl;
	GNPtoLIST(v);
	wyswietlGNP(GNPtoLIST(v));
}
int main() {
	zadanie1();
	//zadanie2();
	//zadanie3();
	//zadanie4();
	//zadanie5();
	//zadanie6();
	std::cin.ignore(2);

	return 0;
}