acm 2014
1 #include <stdio.h> 2 #include <algorithm> 3 using namespace std; 4 5 int main () 6 { 7 int number,i; 8 double grades,avg,sum; 9 while(scanf("%d",&number)!=EOF) 10 { 11 sum = 0; 12 double *a; 13 a = (double*)malloc(sizeof(double)*number); 14 for(i = 0;i < number ;i++) 15 { 16 scanf("%lf",&grades); 17 a[i] = grades; 18 sum += a[i]; 19 } 20 sort(a,a+number); 21 avg = (sum - a[0] - a[number -1]) / (number -2.0); 22 printf("%.2lf\n",avg); 23 } 24 }
