HDU 2015 （水）

 1 #include<iostream>
 2 #include<cmath>
 3 #include<iomanip>
 4 #include<algorithm>
 5 using namespace std;
 6 int num;
 7 int main()
 8 {
 9     int n;
10     while(cin >> n)
11     {
12         int x;
13         int max = -1;
14         int min = 200;
15         double sum = 0;
16         for(int i = 0; i < n; i ++)
17         {
18             cin >> x;
19             if(x > max)
20                 max = x;
21             if(x <min)
22                 min = x;
23             sum += x;
24         }
25         cout << fixed << setprecision(2) << (sum - max - min) / (n - 2) << endl;
26     }
27 }