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Ruby sudoku solver

/ Published in: Ruby
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  1. #!/usr/bin/ruby
  2.  
  3. 10.times do
  4.   s = 0
  5.   1.upto(9) do |x|
  6.     1.upto(9) do |y|
  7.       1.upto(9) do |z|
  8.         if x + y + z == 15 && x != y && x != z && y != z
  9.           1.upto(9) do |a|
  10.             1.upto(9) do |b|
  11.               1.upto(9) do |c|
  12.                 if( ( a + b + c == 15) && ( ( a != b ) && ( a != c ) && ( b != c ) ) )
  13.                   1.upto(9) do |i|
  14.                     1.upto(9) do |o|
  15.                       1.upto(9) do |p|
  16.                         if( ( i + o + p == 15 ) && ( ( i != o ) && ( i != p ) && ( o != p ) ) ) 
  17.                           if( ( x + a + i == 15 ) && ( ( x != a ) && ( x != i ) && ( a != i ) ) )
  18.                             if( ( y + b + o == 15 ) && ( ( y != b ) && ( y != o ) && ( b != o ) ) )
  19.                               if( ( z + c + p == 15 ) && ( ( z != c ) && ( z != p ) && ( c != p ) ) )
  20.                                 if( ( x != b ) && ( x != c ) && ( x != o ) && ( x != p ) )
  21.                                   if( ( y != a ) && ( y != i ) && ( y != c ) && ( y != p ) )
  22.                                     if( ( z != b ) && ( z != a ) && ( z != o ) && ( z != i ) )
  23.                                       s += 1
  24.                                       $stdout.print "Solution ##{s}:\n"
  25.                                       $stdout.print "#{x} #{y} #{z}\n"
  26.                                       $stdout.print "#{a} #{b} #{c}\n"
  27.                                       $stdout.print "#{i} #{o} #{p}\n\n"
  28.                                     end
  29.                                   end
  30.                                 end
  31.                               end
  32.                             end
  33.                           end
  34.                         end
  35.                       end
  36.                     end
  37.                   end
  38.                 end
  39.               end
  40.             end
  41.           end
  42.         end
  43.       end
  44.     end
  45.   end
  46. end

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