Compilare: user.cpp: In function ‘void ReadAndBuildGraph()’: user.cpp:80:9: warning: unused variable ‘x’ [-Wunused-variable] int x, y; ^ user.cpp:80:12: warning: unused variable ‘y’ [-Wunused-variable] int x, y; ^ user.cpp: In function ‘bool Dijkstra()’: user.cpp:239:34: warning: narrowing conversion of ‘CC.std::vector<_Tp, _Alloc>::operator[]<double, std::allocator<double> >(((std::vector<double>::size_type)y))’ from ‘__gnu_cxx::__alloc_traits<std::allocator<double> >::value_type {aka double}’ to ‘int’ inside { } [-Wnarrowing] Q.push({y, CC[y]}); ^ user.cpp: In function ‘double Minim()’: user.cpp:183:12: warning: ‘rez’ may be used uninitialized in this function [-Wmaybe-uninitialized] return rez; ^