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  1. #!/usr/bin/perl -a
  2. use 5.10.0;
  3. $n++while pop@F;say$n
Success #stdin #stdout 0s 6048KB
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1 1 1 1 1 0 0 1 1 1 1
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4
https://ideone.com/SaIsrK
language:
Perl (perl 5.28.1)
created:
7 years ago
visibility:
public

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