fork(1) download 
  1. @moves = qw(R U R' U' R' F R2 U' R' U' R U R' F');
  2. $state = "UF UR UB UL DF DR DB DL FR FL BR BL UFR URB UBL ULF DRF DFL DLB DBR";
  3.  
  4. sub move {
  5.   my ($pos) = @_;
  6.   eval "\$pos =~ y/$from/$to/";
  7.   $pos;
  8. }
  9.  
  10. print "Moves: @moves\nStart: $state\n";
  11. for $move (@moves) {
  12.   $move =~ s/'/3/;
  13.   ($side, $angle) = split //, $move . 1;
  14.   $from = $to = '';
  15.   for (split ' ', $state) {
  16.     if (/.../ && /$side/) {
  17.       ($t, $f) = split '', "$'$`";
  18.       $from .= $f;
  19.       $to .= $t;
  20.     }
  21.   }
  22.   $state =~ s/\w*$side\w*/move($&)/ge while $angle--;
  23. }
  24. print "End:   $state\n";
Success #stdin #stdout 0s 3564KB
comments (?)
stdin 
Standard input is empty
stdout 
Moves: R U R' U' R' F R2 U' R' U' R U R' F'
Start: UF UR UB UL DF DR DB DL FR FL BR BL UFR URB UBL ULF DRF DFL DLB DBR
End:   UF UL UB UR DF DR DB DL FR FL BR BL URB UFR UBL ULF DRF DFL DLB DBR
https://ideone.com/jkSdPM
language:
Perl (perl 5.28.1)
created:
12 years ago
visibility:
secret

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!