Compilare: user.cpp: In constructor ‘Trie::Trie()’: user.cpp:9:12: warning: ‘Trie::word’ will be initialized after [-Wreorder] string word; ^ user.cpp:8:9: warning: ‘int Trie::maxRelevance’ [-Wreorder] int maxRelevance; ^ user.cpp:22:5: warning: when initialized here [-Wreorder] Trie() : relevance(0), word(""), maxRelevance(0) ^ user.cpp: In member function ‘void Trie::increaseRelevance(const string&, int)’: user.cpp:32:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < name.size(); i++) ^ user.cpp:39:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < name.size(); i++) ^ user.cpp: In member function ‘void Trie::insertWord(const string&)’: user.cpp:50:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < name.size(); i++) ^ user.cpp: In member function ‘std::string Trie::searchWord(const string&)’: user.cpp:64:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < name.size(); i++) ^ user.cpp:91:5: warning: control reaches end of non-void function [-Wreturn-type] } ^