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  1. #!/usr/bin/perl
  2.  
  3. my $count = 0;
  4. my %dict = ();
  5. while (scalar keys %dict < 10) {
  6. 	$dict{int(rand(10))} = 1;
  7. 	$count ++;
  8. }
  9.  
  10. print $count;
Success #stdin #stdout 0s 6000KB
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stdin 
Standard input is empty
stdout 
16
https://ideone.com/ArYQNU
language:
Perl (perl 5.28.1)
created:
10 years ago
visibility:
public

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