转自点击打开链接

#include<cstdio>
#include<vector>
#include<algorithm>
using namespace std;
int cmp1(double a,double b){return a>b;}
int main()
{
    int n,k,m;
    scanf("%d%d%d",&n,&k,&m);
    vector<double>total;
    for(int i=0;i<n;i++){
        vector<double>v(k);
        double maxn=-1,minn=101,average=0.0;
        for(int j=0;j<k;j++){
            scanf("%lf",&v[j]);
            maxn=max(maxn,v[j]);
            minn=min(minn,v[j]);
            average+=v[j];
        }
        average=(average-maxn-minn)/(k-2);
        total.push_back(average);
    }
     sort(total.begin(),total.end(),cmp1);
     if(m!=0)
        printf("%.3f",total[m-1]);
     for(int i=m-2;i>=0;i--)
        printf(" %.3f",total[i]);
     return 0;
}