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Re: The 15 Puzzle

by Eily (Monsignor)
on Jun 11, 2020 at 12:23 UTC ( #11117940=note: print w/replies, xml ) Need Help??


in reply to The 15 Puzzle

++ For your code. It's quite readable as well despite being dense IMHO.

About the number of permutations, rather than a loop wouldn't it be simpler to just have: @board[1,2] = @board[2,1] if $inversions %2; ?

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Re^2: The 15 Puzzle
by msh210 (Monk) on Jun 14, 2020 at 08:37 UTC

    Good idea; thanks!

    $_="msh210";$"=$\;@_=@{[split//,uc]}[2,0];$_="@_$\1";$\=$/;++$_[0]for$...1;print lc substr crypt($_,"@_"),1,6

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