Compilare: main.cpp: In function 'int main()': main.cpp:82:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < s.size(); ++i) ~~^~~~~~~~~~ main.cpp: In instantiation of 'Trie<Alphabet, Container>::Trie(int) [with Alphabet = short int; Container = std::vector<short int>]': main.cpp:77:84: required from here main.cpp:63:7: warning: 'Trie<short int, std::vector<short int> >::_size' will be initialized after [-Wreorder] int _size; ^~~~~ main.cpp:62:28: warning: 'std::vector<std::unique_ptr<Trie<short int, std::vector<short int> >, std::default_delete<Trie<short int, std::vector<short int> > > >, std::allocator<std::unique_ptr<Trie<short int, std::vector<short int> >, std::default_delete<Trie<short int, std::vector<short int> > > > > > Trie<short int, std::vector<short int> >::_leaves' [-Wreorder] vector<unique_ptr<Trie>> _leaves; ^~~~~~~ main.cpp:14:3: warning: when initialized here [-Wreorder] Trie(int size): _size(size), _leaves(size), _wordsEndingHere(0), _numberLeaves(0){} ^~~~