程序代码：

#include<stdio.h>
void bubbleSort(float arr[], int n)
{
    int i, j, tmp;
    for(i = 0; i < n - 1; i++)
    {
        for(j = 1; j < n; j++)
        {
            if(arr[j] < arr[j - 1])
            {
                tmp = arr[j];
                arr[j] = arr[j - 1];
                arr[j - 1] = tmp;
            }
        }
    }
}

int main(){
    int n,k,m;
    scanf("%d %d %d",&n,&k,&m);
    float stu[10001];
    int i;
    float temp[101];
    float sum=0;
    
    int j;
    for(j=0; j<n; j++){
        sum = 0;//&Ccedil;§&Iacute;ò&frac14;&Ccedil;×&Aring;&Atilde;&iquest;&Acirc;&Ouml;&Ntilde;&shy;&raquo;·°&Ntilde;sum&sup1;é&Aacute;&atilde;&iexcl;&pound;&iexcl;&pound;&AElig;&oslash;&Euml;&Agrave;&Icirc;&Ograve;&Aacute;&Euml;&micro;÷&Ecirc;&Ocirc;&ordm;&Atilde;&frac34;&Atilde; 
        for(i=0; i<k; i++){
            scanf("%f",&temp[i]);//&cedil;&atilde;°&euml;&Igrave;ì&cedil;&ntilde;&Ecirc;&frac12;&iquest;&Oslash;&Ouml;&AElig;&Iacute;ü&cedil;&Auml;&Aacute;&Euml;&iexcl;&pound;&iexcl;&pound; 
            //sum+=temp[i];
        }
        bubbleSort(temp,k);
        int i2;
        for(i2=1; i2<k-1; i2++){
            sum+=temp[i2];
        }
        stu[j]=sum/(k-2);
    }
    bubbleSort(stu,n);
    for(i=n-m; i<n; i++){//&Iuml;&euml;&acute;&Oacute;×&icirc;&ordm;ó&Ecirc;&auml;&sup3;&ouml;&frac14;&cedil;&cedil;&ouml;&Ecirc;&yacute;&frac34;&Iacute;&Ouml;±&frac12;&Oacute;&frac14;&otilde;&frac14;&cedil;&pound;&not;&sup2;&raquo;&Oacute;&Atilde;&Ocirc;&Ugrave;&frac14;&otilde;&Ograve;&raquo;&iexcl;&pound; 
        printf("%.3f",stu[i]);
        if(i!=n-1){
            printf(" ");
        }
    }
    return 0;
}