Compilare: user.cpp: In function ‘int main()’: user.cpp:30:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<Nod[Coada[k]].size()&&k<=q;i++) ^ user.cpp:13:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sate.in","r",stdin); ^ user.cpp:15:52: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i %i %i",&noduri,&muchi,&start,&fin); ^ user.cpp:19:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i %i",&x,&y,&d); ^