Compilare: main.cpp: In function 'node* addWord(std::string&, int, node*)': main.cpp:27:12: 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 'void eraseWord(std::string&, int, node*, bool&)': main.cpp:51:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In function 'int countPrefix(std::string&, int, node*)': main.cpp:66:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~