蓝桥杯备战11.歌唱比赛

P5738 【深基7.例4】歌唱比赛 - 洛谷 | 计算机科学教育新生态 (luogu.com.cn)

#include<bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;
const int N = 2e7+10,M = 1e3+10;
int a[N],sum[N];signed main()
{//std::ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);int n,m;double max = 0;scanf("%d %d",&n,&m);for(int i=1;i<=n;i++){double tmp[10010],sum = 0;for(int j=1;j<=m;j++){scanf("%lf",&tmp[j]);sum+=tmp[j];}sort(tmp+1,tmp+1+m);sum=sum-tmp[1]-tmp[m];sum/=(m-2);if(sum>max)max=sum;}printf("%.2lf",max);return 0;
}