Compilare: main.cpp: In function 'void inserare(noduri*, std::string, int)': 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 == s.size() ) { | ~~~~^~~~~~~~~~~ main.cpp: In function 'int distrugere(noduri*, std::string, int)': main.cpp:40:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | if( poz == s.size() ) { | ~~~~^~~~~~~~~~~ main.cpp: In function 'int nraparitii(noduri*, std::string, int)': main.cpp:62:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | if( poz == s.size() ) | ~~~~^~~~~~~~~~~ main.cpp: In function 'int prefix(noduri*, std::string, int)': main.cpp:72:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | if( poz == s.size() ) | ~~~~^~~~~~~~~~~