Compilare: main.cpp: In member function 'void Trie::Add(int, std::__cxx11::string, int)': main.cpp:31:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l < cuvant.size()) ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Trie::Remove(std::__cxx11::string, int)': main.cpp:43:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (l < cuvant.size()) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:92:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l = 0; l < cuvant.size(); l++) ~~^~~~~~~~~~~~~~~ main.cpp:103:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l = 0; l < cuvant.size(); l++) ~~^~~~~~~~~~~~~~~