华为上机测试题（水仙花数升级版-java）

 1 import java.util.Scanner;
 2 
 3 public class Main {
 4 
 5     public static void main(String[] args) {
 6         
 7         int a = 0;
 8         int b = 0;
 9         int count = 0;
10         
11         Scanner s = new Scanner(System.in);
12         String str = s.nextLine();
13         String[] strArray = str.split(" ");
14         a = Integer.parseInt(strArray[0]);
15         b = Integer.parseInt(strArray[1]);
16         s.close();
17         if((a < 100 || a > 1000000) || (b < 100 || b > 1000000))
18         {
19             throw new RuntimeException();
20         }
21         
22         count = getNum(a, b);
23         
24         System.out.println(count);
25     }
26 
27     public static int getNum(int a, int b) {
28         
29         int result = 0;
30         
31         for(int i = a; i <= b; i++)
32         {
33             int m = i;
34             int tmp = 0;
35             int value = 0;
36             
37             while(0 != m)
38             {
39                 
40                 tmp = m%10;
41                 value += Math.pow(tmp, 3);
42                 m /= 10;
43             }
44             
45             if(value == i)
46             {
47                 result++;
48             }
49         }
50         return result;
51     }
52     
53 }