hdu 2014 java 青年歌手大奖赛_评委会打分

http://acm.hdu.edu.cn/showproblem.php?pid=2014

package second;

import java.text.DecimalFormat;
import java.util.Arrays;
import java.util.Scanner;

public class j2014 {
	public static void main(String args[]) {
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNext()){
			int n = scanner.nextInt();
			int cnt = 0;
			int[] arr = new int[n];
			while((n--)>0){
				arr[cnt++] = scanner.nextInt();
			}
			Arrays.sort(arr);
			int sum = 0;
			for(int i=0;i<arr.length;i++){
				sum += arr[i];
			}
			double ans;
			ans = (sum - arr[0] - arr[arr.length-1])/((arr.length-2)*1.00);
			DecimalFormat df = new DecimalFormat("#0.00");
			System.out.println(df.format(ans));
		}
	}
}