#include <bits/stdc++.h> using namespace std; int a[11]; int sum=0; int maxm=-1,minm=1001; int main(){ for(int i=1;i<=10;i++){ cin>>a[i]; if(a[i]>maxm){ maxm=a[i];//a[i] 比max大，a[i]为max } if(a[i]<minm){ minm=a[i];//a[i]比min小，a[i]为min } sum+=a[i]; } cout<<maxm<<", "<<minm<<", "; cout<<fixed<<setprecision(2)<<sum*1.0/10;//平均值保留两位小数 }