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  1. #!/usr/bin/perl
  2. # your code goes here
  3.  
  4. if("1x1" =~ m/(\d)x(\d)(?(?{$1 > $2})(?!))/){
  5. 	print "yes";
  6. }else{
  7. 	print "no";
  8. }
Success #stdin #stdout 0s 6044KB
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stdin
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Standard input is empty
stdout
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yes
https://ideone.com/Pc7QQn
language:
Perl (perl 5.28.1)
created:
8 years ago
visibility:
public

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