算法提高 身份证号码升级

 1 import java.util.Arrays;
 2 import java.util.Scanner;
 3 
 4 public class Main{
 5     static int n;
 6     static int h;
 7     public static void main(String[] args) {
 8         Scanner input = new Scanner(System.in);
 9         String temp = input.next();
10         int[] a = new int[18];
11         int h = 0;
12         for(int i=0;i<temp.length();i++){
13             if(i==6){
14                 a[h++] = 1;
15                 a[h++] = 9;
16             }
17             a[h++] = temp.charAt(i)-‘0‘;
18         }
19         int[] b = {7 ,9 ,10 ,5, 8, 4 ,2, 1, 6, 3 ,7, 9, 10 ,5, 8, 4 ,2};
20         char c[] = {‘1‘ ,‘0‘ ,‘x‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘};
21         int sum = 0;
22         for(int i=0;i<17;i++){
23             sum = a[i]*b[i]+sum;
24         }
25         for(int i=0;i<17;i++){
26             System.out.print(a[i]);
27         }
28         System.out.println(c[sum%11]);
29         
30     }
31     
32 
33 }