#include <iostream> #include <iomanip> using namespace std; int main(){ int n ,sum=0,mxx=0,ndd=10000; double avg; cin>>n; int a[101]; for(int i=0;i<n;i++){ cin>>a[i]; sum+=a[i]; } avg=1.0*sum/n; for(int i=0;i<n;i++){ if(a[i]>mxx){ mxx=a[i]; } if(a[i]<ndd){ ndd=a[i]; } }cout<<sum<<" "<<fixed<<setprecision(2)<<avg<<" "<<mxx<<" "<<ndd; }