Compilare: main.cpp: In function 'void Insert(std::string, int)': main.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for (int i=0; i<key.size(); i++) | ~^~~~~~~~~~~ main.cpp: In function 'void UpdateRelevance(trieNode*, std::string&, int, int)': main.cpp:58:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | if (depth == key.size()) | ~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'void Query(std::string)': main.cpp:82:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (int i=0; i<key.size(); i++) | ~^~~~~~~~~~~