Compilare: main.cpp: In function 'node* addWord(std::string&, int, node*)': main.cpp:29:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In function 'int countWord(std::string&, int, node*)': main.cpp:45:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In function 'void eraseWord(std::string&, int, node*, bool&)': main.cpp:55:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In function 'int countPrefix(std::string&, int, node*)': main.cpp:71:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | if(poz==cuv.size()){ | ~~~^~~~~~~~~~~~