queue

#include <iostream>
#include <stdlib.h>
#include <vector>
// the problem with this program is in the stackTop not with the rest of it
using namespace std;

template <typename T>
class stackNode {
public:
	T data;
	stackNode<T> *nextNode = nullptr;
};

template <typename T>
class stackTop {
public:
	stackNode<T> *top, *bottom;
	int sizeOfList = 0;
	stackTop() {
		bottom = nullptr;
		top = nullptr;
	}

	void display()
	{
		stackNode<T> *temp = new stackNode<T>;
		temp = bottom;
		while (temp != NULL)
		{
			cout << temp->data << endl;
			temp = temp->nextNode;
		}
	}
	void addNode(T userData) {
		stackNode<T> *tempNode = new stackNode<T>;
		tempNode->data = userData;
		tempNode->nextNode = nullptr;
		if (bottom == nullptr) {
			bottom = tempNode;
			top = tempNode;
		}
		else {
			bottom->nextNode = tempNode;
			bottom = tempNode;
		}
		sizeOfList++;
	}

	void pop()
	{
		sizeOfList--;
		stackNode<T> *current = new stackNode<T>;
		stackNode<T> *previous = new stackNode<T>;
		current = top;
		while (current->nextNode != NULL)
		{
			previous = current;
			current = current->nextNode;
		}
		top = previous;
		previous->nextNode = nullptr;
		delete current;
	}
	T last() {
		stackNode<T> *temp = new stackNode<T>;
		temp = top;
		T returnObject = temp->data;
		return returnObject;
	}
};

struct personInLine {
public:
	int timeInLine;
	int timeLeft;
	int ID;
};
stackTop<personInLine> createPILVector(int numberOfPeople) {
	stackTop<personInLine> returnObject;
	int counter = 0;
	personInLine tempPerson;
	for (int i = 0; i < numberOfPeople; i++) {
		tempPerson.timeInLine = rand() % 4 + 1;
		cout << "[" << tempPerson.timeInLine << "]" << endl;
		tempPerson.timeLeft = tempPerson.timeInLine;
		tempPerson.ID = counter++;
		returnObject.addNode(tempPerson);
	}
	return returnObject;
}
struct envVariables {
	int time = 0;
	int maxTime = 120;
	int numberOfPeople = 0;
};

struct varPair {
	envVariables pairVariables;
	stackTop<personInLine> mainList;
};
varPair runTimer(stackTop<personInLine> userInput) {
	varPair returnObject;
	returnObject.mainList = userInput;
		while (returnObject.pairVariables.time < returnObject.pairVariables.maxTime) {
			if (returnObject.mainList.sizeOfList > 0) {
				returnObject.pairVariables.time = returnObject.pairVariables.time + returnObject.mainList.top->data.timeInLine;
				cout << returnObject.mainList.top->data.timeInLine << endl;
				returnObject.mainList.pop();
				returnObject.pairVariables.numberOfPeople++;

			}
		}

	return returnObject;
}


void main(){
	varPair main = runTimer(createPILVector(100));
	cout << main.pairVariables.time << endl << main.pairVariables.numberOfPeople << endl;
	system("pause");
}