Compilare: main.cpp: In member function 'void TrieNode::insert(std::string&, int, int)': main.cpp:31:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | if (currentPos == cuv.size()) | ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:110:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<TrieNode*> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 110 | for (int i = 0; i < stramosi.size(); i++) | ~~^~~~~~~~~~~~~~~~~