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  1. class Ideone
  2. {
  3. public static void main(String[] args)
  4. {
  5. long mod = 10;
  6. for (int i = 1; i > 0; i++)
  7. {
  8. if (i == mod) mod *= 10;
  9. if ((long) i * i % mod == i) System.out.println(i);
  10. }
  11. }
  12. }
Time limit exceeded #stdin #stdout 5s 320512KB
stdin
Standard input is empty
stdout
1
5
6
25
76
376
625
9376
90625
109376
890625
2890625
7109376
12890625
87109376