#include <bits/stdc++.h>
#include <execution>

using namespace std;

int main() {
    std::vector<int> from_vector(10);
    std::iota(from_vector.begin(), from_vector.end(), 0);
    std::vector<int> to_vector(10);
    auto tmp = std::copy_if(execution::parallel_policy, from_vector.begin(), from_vector.end(),
                            std::back_inserter(to_vector),
                            [](int x) { return x % 2 == 0; });
    to_vector.resize(std::distance(to_vector.begin(), tmp));
    return 0;
}