Compilare: main.cpp: In member function 'void Graf::AddEdge(int, int, int)': main.cpp:59:43: warning: narrowing conversion of '(&((Graf*)this)->Graf::G.std::vector<std::vector<Muchie> >::operator[](((std::vector<std::vector<Muchie> >::size_type)y)))->std::vector<Muchie>::size()' from 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 59 | G[x].push_back({y, 0, c, G[y].size()}); | ~~~~~~~~~^~ main.cpp:60:46: warning: narrowing conversion of '((&((Graf*)this)->Graf::G.std::vector<std::vector<Muchie> >::operator[](((std::vector<std::vector<Muchie> >::size_type)x)))->std::vector<Muchie>::size() - 1)' from 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 60 | G[y].push_back({x, 0, 0, G[x].size() - 1}); | ~~~~~~~~~~~~^~~