Compilare: In file included from /usr/include/c++/4.2/backward/heap.h:58, from user.cpp:102: /usr/include/c++/4.2/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated. user.cpp: In function 'void afisare_Graf()': user.cpp:451: warning: comparison between signed and unsigned integer expressions user.cpp:458: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Dijkstra()': user.cpp:508: warning: comparison between signed and unsigned integer expressions user.cpp:521: warning: dereferencing type-punned pointer will break strict-aliasing rules user.cpp:532: warning: dereferencing type-punned pointer will break strict-aliasing rules user.cpp:476: warning: unused variable 'j'