Compilare: user.cpp: In member function ‘void TrieNode::AddWord(const char*)’: user.cpp:44:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!cont[c]) ^ user.cpp:45:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] cont[c] = new TrieNode(); ^ user.cpp:46:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] cont[c]->AddWord(word + 1); ^ user.cpp: In member function ‘void TrieNode::RemWord(const char*)’: user.cpp:59:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] cont[c]->RemWord(word + 1); ^