fork download
copy 
  1. #!/usr/bin/perl
  2. $n=<>;$i=2;while($n){$b=qr/^(?=(.+)\1{2}$)((.+)(?=.*(?(2)(?=\2$)\3.+$|(?=\1$)\3.+$))(?=.*(?=\1$)\3+$))+/;$_='x'x3x$i;if(/$b/&&($+[0]>$i)&&!/$b\1{2}$/){print"$i\n";$n--}$i++}
  3.  
Success #stdin #stdout 0.69s 3564KB
comments (?)
stdin
copy 
1
stdout
copy 
70
https://ideone.com/akLq4W
language:
Perl (perl 5.28.1)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!