Compilare: main.cpp: In constructor 'Graf::Graf(const int&)': main.cpp:23:9: warning: 'Graf::n' will be initialized after [-Wreorder] int n; ^ main.cpp:21:26: warning: 'std::vector<std::vector<int> > Graf::G' [-Wreorder] vector<vector<int> > G, cap; ^ main.cpp:25:5: warning: when initialized here [-Wreorder] Graf (const int& __n) : n(__n), G(__n + 1), cap(__n + 1), dad(n + 1) ^~~~ main.cpp: In function 'void BUNA(const string&)': main.cpp:9:62: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen((task + ".out").c_str(), "w", stdout); ^ main.cpp:9:62: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]