#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
#include <deque>
#include <functional>
 
#define BEGIN_TO_END(container) container.begin(), container.end()
 
template <template<typename...> class OutputContainerType, class InContainer>
OutputContainerType<typename InContainer::value_type, std::allocator<typename InContainer::value_type>> convertContainer(const InContainer& in)
{
    OutputContainerType<typename InContainer::value_type, std::allocator<typename InContainer::value_type>> result;
    std::transform(BEGIN_TO_END(in), std::back_inserter(result), [](typename InContainer::value_type value) {return value;});
    return result;
}
 
int main() {
    std::deque<int> d {1, 2, 3};
    const auto v = convertContainer<std::vector>(d);
    std::cout << v.size() << std::endl;
}

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