#include <bits/stdc++.h>

using namespace std;

template <typename T>
void print(vector<T> &v)
{
    typename vector<T>::iterator it = v.begin();
    while (it != v.end())
    {
        cout << *it << " ";
        it++;
    }
    cout << endl;
}

int main()
{
    int arr1[5] = {1, 2, 3, 4, 5};
    vector<double> v1(arr1, arr1 + 5);
    vector<double> v2(5, 1.2f);
    v1.swap(v2);

    print(v1);
    print(v2);

    return 0;
}