Eroare de compilare: main.cpp: In function 'void build_dfa(nod*)': main.cpp:98:9: error: 'dot' was not declared in this scope 98 | dot.close(); | ^~~ main.cpp: In function 'int main()': main.cpp:129:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 129 | for(int i = 1; i <= kc.size(); ++i) | ~~^~~~~~~~~~~~ Non zero exit status: 1