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Population count: Difference between revisions
→{{header|Crystal}}
Line 1,255:
end
puts "Powers of 3:", (0...30).map{|n| (3u64
puts "Evil:" , 0.step.select(&.evil?).first(30).join(' ')
puts "Odious:", 0.step.reject(&.evil?).first(30).join(' ')</lang>
| |||