Compilare: main.cpp: In function 'node* addWord(std::string&, int, node*)': main.cpp:27:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In function 'int countWord(std::string&, int, node*)': main.cpp:41:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In function 'node* eraseWord(std::string&, int, node*)': main.cpp:57:11: 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(poz==cuv.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In function 'int countPrefix(std::string&, int, node*)': main.cpp:68:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~