Compilare: user.cpp: In function ‘void BFS(int)’: user.cpp:49:9: warning: variable ‘C’ set but not used [-Wunused-but-set-variable] int C[NMAX], x, prim, ultim; ^ user.cpp: In function ‘int main()’: user.cpp:56:19: warning: ‘x’ is used uninitialized in this function [-Wuninitialized] for(q=L[x]; q; q=q->urm) ^ user.cpp:49:18: note: ‘x’ was declared here int C[NMAX], x, prim, ultim; ^ user.cpp: In function ‘void BFS(int)’: user.cpp:56:19: warning: ‘x’ is used uninitialized in this function [-Wuninitialized] for(q=L[x]; q; q=q->urm) ^