Compilare: user.cpp: In function ‘int main()’: user.cpp:26:56: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf (fin,"%lld%lld",&v[i].first,&v[i].second); ^ user.cpp:22:21: warning: variable ‘pmax’ set but not used [-Wunused-but-set-variable] long long dr,st,pmax,nr,pc; ^ user.cpp:23:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&p); ^ user.cpp:26:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld%lld",&v[i].first,&v[i].second); ^