Compilare: main.cpp: In member function 'void NFA::isWordAccepted(const std::string&, int, int)': main.cpp:45:17: warning: comparison of integer expressions of different signedness: 'const int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | if(position == word.length()) { | ~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp:51:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i = 0; i < m_graph[startNode].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~