Compilare: user.cpp: In function ‘void sterg(short int, short int)’: user.cpp:12:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<G[a].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:35:11: warning: overflow in implicit constant conversion [-Woverflow] h[n+1]=INF; ^ user.cpp:25:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &n, &k); ^ user.cpp:28:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &x, &y); ^