#include<iostream>// cin\cout\endl #include<cstdio>//scanf()\printf() #include<cstring>// strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath>//sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a[101],n,s=0,max=-1,min=101; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; if(a[i]>max){ max=a[i]; } if(a[i]<min){ min=a[i]; } s+=a[i]; } printf("%d %.2lf %d %d",s,s*1.0/n,max,min); return 0; }