import java.util.Scanner;
class Main {
    public static void main(String[] args) {
       Scanner scanner=new Scanner(System.in);
       int numberC=scanner.nextInt();
       double[]output=new double[numberC];
       for(int i=0;i<numberC;i++)
       {   int numberN=scanner.nextInt();
           int[]input=new int[numberN];
           int sum=0,counter=0;
           for(int j=0;j<numberN;j++)
           {input[j]=scanner.nextInt();
            sum+=input[j];}
           for(int k=0;k<numberN;k++)
           {if(input[k]*numberN>sum)counter++;}
         output[i]=counter*1000000/numberN/1000000.0;
       }
       for(int h=0;h<numberC;h++)System.out.printf("%.3f%c\n",output[h]*100,'%');
           }
       }

• Re:大牛们，帮忙找找错误，谢谢！ (26) loveKid 2008-12-17 00:22:52
  • Re:大牛们，帮忙找找错误，谢谢！ (109) loveKid 2008-12-17 00:24:14