15 lines
230 B
Ruby
15 lines
230 B
Ruby
srand
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ary = (1..20).to_a.shuffle.each_slice(4).to_a
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p ary
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catch :found_it do
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for row in ary
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for element in row
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print "%2d " % element
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throw :found_it if element == 20
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end
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puts ","
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end
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end
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puts "done"
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