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  1. /* package whatever; // don't place package name! */
  2.  
  3.  
  4. class Main{
  5.     public static void main(String[] a){
  6.         System.out.println("2: " + c(2));
  7.         System.out.println("8: " + c(8));
  8.         System.out.println("12: " + c(12));
  9.         System.out.println("16: " + c(16));
  10.         System.out.println("18: " + c(18));
  11.         System.out.println("24: " + c(24));
  12.         System.out.println("32: " + c(32));
  13.     }
  14.  
  15.     static String c(int n) {
  16.         return "" +
  17.             (n > 9
  18.                 ? (n % 9) + s(n)
  19.                 : n + 9);
  20.     }
  21.  
  22.     static String s(int n) {
  23.         String s = "";
  24.         for (int i = 0; i < (n / 9); i++) {
  25.             s += "9";
  26.         }
  27.         return s;
  28.     }
  29. }
Success #stdin #stdout 0.1s 320512KB
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stdin
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Standard input is empty
stdout
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2: 11
8: 17
12: 39
16: 79
18: 099
24: 699
32: 5999
https://ideone.com/n6drjz
language:
Java (12.0.1)
created:
7 years ago
visibility:
public

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