C++ 代码
#include<bits/stdc++.h>
using namespace std;
int main()
{
int arr[10000],max,min,n;
double aver,sum=0;
cin >> n;
for(int i=0;i<n;i++)
{
cin >> arr[i];
sum += arr[i];
}
max = arr[0];
min = arr[0];
for(int i=1;i<n;i++)
{
max = max > arr[i] ? max : arr[i];
min = min < arr[i] ? min : arr[i];
}
aver = sum / n;
cout << max << endl;
cout << min << endl;
printf("%.2f",aver);
return 0;
}