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  1. #!/usr/bin/perl
  2. $chain="a";
  3. print"$chain\n";
  4. for($i=1;$i<10;$i++)
  5. {
  6.  if(($i%3)==0)
  7. {$chain=$chain."b";
  8.  print"$chain\n";}
  9.  else{
  10.  $chain=$chain."a";
  11. print"$chain\n";}
  12. }
Success #stdin #stdout 0s 4596KB
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stdin
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Standard input is empty
stdout
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a
aa
aaa
aaab
aaaba
aaabaa
aaabaab
aaabaaba
aaabaabaa
aaabaabaab
https://ideone.com/9bENV
language:
Perl (perl 5.28.1)
created:
14 years ago
visibility:
public

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