vektor<thread::id>

#include <iostream>
#include <vector>
#include <thread>
using namespace std;

void f(thread::id &t_id){
    t_id=this_thread::get_id();
}

int main()
{
    int n;
    cout<<"Unesi n: "<<endl;
    cin>>n;

    vector<thread::id> a(n);
    thread t[n];

    for(int i=0; i<n; ++i){
       t[i]=thread(f,ref(a[i]));
    }

    for(int i=0; i<n; ++i) {
        t[i].join();
    }

    for(int i=0; i<n; ++i)
        cout<<a[i]<<endl;

    return 0;
}