URAL 1025 Democracy in Danger

排个序

 1 import java.util.Arrays;
 2 import java.util.Scanner;
 3
 4 public class P1025
 5 {
 6     public static void main(String args[])
 7     {
 8         try (Scanner cin = new Scanner(System.in))
 9         {
10             while (cin.hasNext())
11             {
12                 int n = cin.nextInt();
13                 int a[] = new int[n];
14                 for (int i = 0; i < n; i++)
15                     a[i] = cin.nextInt();
16                 Arrays.sort(a);
17                 int result = 0;
18                 for (int i = 0; i <= n / 2; i++)
19                     result += a[i] / 2 + 1;
20                 System.out.println(result);
21             }
22         }
23     }
24 }