jimweirich / sudoku

A Simple Sudoku Solver

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Updated test to cover solver.
jimweirich (author)
Wed Oct 07 12:31:33 -0700 2009
commit  2147dc66086d61bfd76afdb116db8164955cce41
tree    9c18a24cf52a64caf0d48957eb4f7a39c08e95bb
parent  face3e482fd15bc6ef874c4ed5b5917db12af1bb
sudoku / smin.rb
100755 4 lines (3 sloc) 0.217 kb
raw blame history 
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def r;(0..80).each{|i|next if A[i]>0;((1..9).to_a-(0..80).map{|j|(j/9==
i/9||j%9==i%9||j/27==i/27&&j%9/3==i%9/3)?A[j]:0}).each{|g|A[i]=g;r;A[i]=
0};return};puts A.join;exit;end;A=gets.strip.split(//).map{|n|n.to_i};r