A了，但是WA（就对了第一个）

TRFC @ 2024-08-11 18:13:33

#include <bits/stdc++.h>
using namespace std;
long long n;
double a[305],s,mx;
int main()
{
    cin>>n;for(int i=1;i<=n;i++){cin>>a[i];if(i>=2&&i<n)s+=a[i];}
    printf("%.2lf",s/(n-2));sort(a+1,a+n+1);
    for(int i=2;i<n;i++)if(abs(a[i]-s/(n-2))>mx)mx=abs(a[i]-s/(n-2));
    printf(" %.2lf",mx);
    return 0;
}

by LiuXuDong55555 @ 2024-08-11 18:42:20

@tuling_DZC

#include <bits/stdc++.h>
using namespace std;
double a[310];
double cnt, m, w, p;
int main() {
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    for (int i = 1; i < n; i++) {
        for (int j = 1; j < n; j++) {
            if (a[j] >= a[j+1]) {
                swap(a[j], a[j + 1]);
            }
        }
    }
    m = a[n-1];
    for (int i = 2; i < n; i++) {
        cnt+=a[i];
    }
    p=cnt/(n-2);
    double w=-1,q;
    for(int i=2;i<n;i++){
        q=fabs(a[i]-p);
        if(q>=w){
            w=q;
        }
    }
    printf("%.2f %.2f",p,w);
    return 0;
}

by TRFC @ 2024-08-11 19:50:40

@LiuXuDong55555 谢谢，已过