Sets of Elements

// 07. Set of elements.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <set>
#include <string>
#include <vector>
#include <algorithm> // std::find


using namespace std;


set<int> getSet(int size)
{
    set<int> numbers;
    int member;
    for (int i = 0; i < size; i++)
    {
        cin >> member; cin.ignore();
        numbers.insert(member);
    }

    return numbers;
}

void getVector(vector<int>& setNumbs, int size)
{
    vector<int> numbers;
    int member;
    vector<int>::iterator it;
    for (int i = 0; i < size; i++)
    {
        cin >> member; cin.ignore();
        //it = find(setNumbs.begin(), setNumbs.end(), member);
        //if (it == setNumbs.end())
        setNumbs.push_back(member);
    }
}

void repeatElements(vector<int> set1, set<int> set2)
{
    set<int>::iterator it;

    for (int num : set1)
    {
        it = set2.find(num);
        if (it != set2.end())
            cout << *it << " ";
    }
}

int main()
{
    set<int> set2;
    vector<int> set1;
    int sizeSet1, sizeSet2;
    vector<int> order;
    cin >> sizeSet1; cin >> sizeSet2;

    set2 = getSet(sizeSet2);
    getVector(set1, sizeSet1);

    repeatElements(set1, set2);

}