Compilare: main.cpp: In function 'void Insert(Nod*, std::string&, int)': main.cpp:22:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | if(p==a.size()) | ~^~~~~~~~~~ main.cpp: In function 'void Erase(Nod*, std::string&, int)': main.cpp:37:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | if(p==a.size()) | ~^~~~~~~~~~ main.cpp: In function 'int Count(Nod*, std::string&, int)': main.cpp:57:9: 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(p==a.size()) | ~^~~~~~~~~~ main.cpp: In function 'int Lcp(Nod*, std::string&, int)': main.cpp:70:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | if(p==a.size()) | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:9: warning: unused variable 'q' [-Wunused-variable] 83 | int q, task; | ^