Compilare: main.cpp: In member function 'void TrieNode::addWord(const std::string&, int)': main.cpp:21:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | if(depth==s.size()) | ~~~~~^~~~~~~~~~ main.cpp: In member function 'void TrieNode::removeWord(const std::string&, int)': main.cpp:35:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | if(depth==s.size()) | ~~~~~^~~~~~~~~~ main.cpp: In member function 'int TrieNode::countWord(const std::string&, int)': main.cpp:46:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | if(depth==s.size()) | ~~~~~^~~~~~~~~~ main.cpp: In member function 'int TrieNode::lcp(const std::string&, int)': main.cpp:57:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | if(depth==s.size()) | ~~~~~^~~~~~~~~~