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minitech/12378.rb

Last active December 21, 2015 16:29
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12378.rb
i=gets.split
s=i[0].to_i
(i[1]<?3?s.downto(1):1..s).map{|x|t=?x*x
puts /2|4/=~i[1]?t.rjust(s):t}
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