7 lines
114 B
Text
7 lines
114 B
Text
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lcstr=:4 :0
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C=. ({.~ 1+$) x=/y
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M=. >./ (* * * >. * + (_1&|.)@:|:^:2)^:_ C
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N=. >./ M
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y {~ (M i. N)-i.-N
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)
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