Created
May 1, 2013 18:30
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readable golf
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use v6; | |
sub uq(*@vals) { so @vals.bag.values.all == 1 } | |
sub rowN($n, *@vals) { | |
return say "[{@vals.join(',')}]" if $n > 8; | |
for 1..8 -> $new { | |
my @vnew = @vals, $new; | |
my ($i1, $i2) = 0, 0; | |
next if !uq(@vnew) | |
or !uq(@vnew.map: { $_ - ++$i1 }) | |
or !uq(@vnew.map: { $_ + ++$i2 }); | |
rowN($n+1, @vnew); | |
} | |
} | |
rowN(1,()); |
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[1,5,8,6,3,7,2,4] | |
[1,6,8,3,7,4,2,5] | |
[1,7,4,6,8,2,5,3] | |
[1,7,5,8,2,4,6,3] | |
[2,4,6,8,3,1,7,5] | |
[2,5,7,1,3,8,6,4] | |
[2,5,7,4,1,8,6,3] | |
[2,6,1,7,4,8,3,5] | |
[2,6,8,3,1,4,7,5] | |
[2,7,3,6,8,5,1,4] | |
[2,7,5,8,1,4,6,3] | |
[2,8,6,1,3,5,7,4] | |
[3,1,7,5,8,2,4,6] | |
[3,5,2,8,1,7,4,6] | |
[3,5,2,8,6,4,7,1] | |
[3,5,7,1,4,2,8,6] | |
[3,5,8,4,1,7,2,6] | |
[3,6,2,5,8,1,7,4] | |
[3,6,2,7,1,4,8,5] | |
[3,6,2,7,5,1,8,4] | |
[3,6,4,1,8,5,7,2] | |
[3,6,4,2,8,5,7,1] | |
[3,6,8,1,4,7,5,2] | |
[3,6,8,1,5,7,2,4] | |
[3,6,8,2,4,1,7,5] | |
[3,7,2,8,5,1,4,6] | |
[3,7,2,8,6,4,1,5] | |
[3,8,4,7,1,6,2,5] | |
[4,1,5,8,2,7,3,6] | |
[4,1,5,8,6,3,7,2] | |
[4,2,5,8,6,1,3,7] | |
[4,2,7,3,6,8,1,5] | |
[4,2,7,3,6,8,5,1] | |
[4,2,7,5,1,8,6,3] | |
[4,2,8,5,7,1,3,6] | |
[4,2,8,6,1,3,5,7] | |
[4,6,1,5,2,8,3,7] | |
[4,6,8,2,7,1,3,5] | |
[4,6,8,3,1,7,5,2] | |
[4,7,1,8,5,2,6,3] | |
[4,7,3,8,2,5,1,6] | |
[4,7,5,2,6,1,3,8] | |
[4,7,5,3,1,6,8,2] | |
[4,8,1,3,6,2,7,5] | |
[4,8,1,5,7,2,6,3] | |
[4,8,5,3,1,7,2,6] | |
[5,1,4,6,8,2,7,3] | |
[5,1,8,4,2,7,3,6] | |
[5,1,8,6,3,7,2,4] | |
[5,2,4,6,8,3,1,7] | |
[5,2,4,7,3,8,6,1] | |
[5,2,6,1,7,4,8,3] | |
[5,2,8,1,4,7,3,6] | |
... still running ...this takes a long time for me |
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