5 lines
128 B
Text
5 lines
128 B
Text
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allmasks=: 2 #:@i.@^ #
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firstend=:1 0 i.&1@E."1 ]
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laststart=: 0 1 {:@I.@E."1 ]
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noncont=: <@#~ (#~ firstend < laststart)@allmasks
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