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  1. #!/usr/bin/perl
  2. $chain="a";
  3. for($i=0;$i<10;$i++)
  4. {
  5.  if(($i%3)==0)
  6. {$chain=$chain."b";
  7.  print"$chain\n";}
  8.  else{
  9.  $chain=$chain."a";
  10. print"$chain\n";}
  11. }
Success #stdin #stdout 0.01s 0KB
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Standard input is empty
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ab
aba
abaa
abaab
abaaba
abaabaa
abaabaab
abaabaaba
abaabaabaa
abaabaabaab
https://ideone.com/fZ6p4
language:
Perl (perl 5.28.1)
created:
14 years ago
visibility:
public

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