Compilare: main.cpp: In member function 'bool grafMare::helsinki(std::vector<int>&)': main.cpp:314:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 314 | if(x>hel.size())//destule elem | ~^~~~~~~~~~~ main.cpp: In member function 'void grafMare::bellman(std::istream&, std::ofstream&)': main.cpp:527:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 527 | if(x==0) | ^