Compilare: user.cpp: In member function ‘void Trie::clear(Trie*)’: user.cpp:29:22: warning: deleting array ‘((Trie*)this)->Trie::edges’ [enabled by default] delete []edges; ^ user.cpp:29:22: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] user.cpp: In function ‘int main()’: user.cpp:93:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < cuv.size() ; i++) ^