Compilare: user.cpp: In function ‘int verif(long long int)’: user.cpp:25:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[nod].size();i++){ ^ user.cpp: In function ‘int main()’: user.cpp:66:42: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘long long int’ [-Wformat=] fprintf (fout,"%lld.%d",dr/100,dr%100); ^ user.cpp:51:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&m); ^ user.cpp:53:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d",&x,&y,&cst); ^ user.cpp:55:20: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] dr+=cst*100; ^