Compilare: main.cpp: In member function 'bool grafMare::helsinki()': main.cpp:191:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 191 | if(x>hel.size())//destule elem | ~^~~~~~~~~~~ main.cpp: In member function 'void grafMare::citireDFS()': main.cpp:374:9: warning: unused variable 'start' [-Wunused-variable] 374 | int start=1; | ^~~~~