3.42

#include<iostream>#include<cstring>#include<vector>using namespace std;int main(){vector<int> vec = { 0, 1, 2, 3, 4, 5 };int arr[6];for (int i = 0; i <= vec.size() - 1; i++)arr[i] = vec[i];for (auto i : arr)cout << i << " ";cout << endl;return 0;}