Compilare: user.cpp: In function ‘void dijkstra(int)’: user.cpp:125:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < v [nodC]. size (); i ++) ^ user.cpp: In function ‘void bFS(int)’: user.cpp:182:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < v [aux]. size (); i ++) ^ user.cpp:173:14: warning: ‘pC’ may be used uninitialized in this function [-Wmaybe-uninitialized] pC ++; ^ user.cpp:189:25: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf ("\n%d", poz); ^