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  1. class Main{
  2.   static int c(int i){int n=0;while(!(i+++"").matches("^(.)\\1*$"))n++;return n;}
  3.  
  4.   public static void main(String[] a){
  5.     System.out.println(c(8));
  6.     System.out.println(c(100));
  7.     System.out.println(c(113));
  8.     System.out.println(c(87654321));
  9.     System.out.println(c(42));
  10.     System.out.println(c(20000));
  11.     System.out.println(c(11132));
  12.   }
  13. }
Success #stdin #stdout 0.57s 321152KB
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Standard input is empty
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0
11
109
1234567
2
2222
11090
https://ideone.com/WxwK24
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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