Compilare: user.cpp: In function 'void dijkstra(Vertex**, int)': user.cpp:403: warning: comparison between signed and unsigned integer expressions user.cpp:438: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void dfsCV(Vertex**, int)': user.cpp:578: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:814: warning: deprecated conversion from string constant to 'char*' user.cpp:842: warning: deprecated conversion from string constant to 'char*'