Compilare: main.cpp: In function 'void addWord(Element&, std::__cxx11::basic_string<char>::iterator, std::__cxx11::basic_string<char>::iterator, std::string)': main.cpp:36:9: warning: unused variable 'id' [-Wunused-variable] 36 | int id = toIndex(*it); | ^~ main.cpp: In function 'void deleteWord(Element&, std::__cxx11::basic_string<char>::iterator, std::__cxx11::basic_string<char>::iterator, std::string)': main.cpp:49:9: warning: unused variable 'id' [-Wunused-variable] 49 | int id = toIndex(*it); | ^~ main.cpp: In function 'int appearances(Element&, std::__cxx11::basic_string<char>::iterator, std::__cxx11::basic_string<char>::iterator, std::string)': main.cpp:63:9: warning: unused variable 'id' [-Wunused-variable] 63 | int id = toIndex(*it); | ^~ main.cpp: In function 'int longestPrefix(Element&, std::__cxx11::basic_string<char>::iterator, std::__cxx11::basic_string<char>::iterator)': main.cpp:81:9: warning: unused variable 'id' [-Wunused-variable] 81 | int id = toIndex(*it); | ^~ main.cpp: In function 'int main()': main.cpp:100:9: warning: unused variable 'i' [-Wunused-variable] 100 | int i, j, n, nr,k,a; | ^ main.cpp:100:12: warning: variable 'j' set but not used [-Wunused-but-set-variable] 100 | int i, j, n, nr,k,a; | ^ main.cpp:100:15: warning: unused variable 'n' [-Wunused-variable] 100 | int i, j, n, nr,k,a; | ^ main.cpp:100:21: warning: unused variable 'k' [-Wunused-variable] 100 | int i, j, n, nr,k,a; | ^