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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Happy-numbers/J/happy-numbers-1.j Normal file
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8{. (#~1=+/@(*:@(,.&.":))^:(1&~:*.4&~:)^:_ "0) 1+i.100
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Task/Happy-numbers/J/happy-numbers-2.j Normal file
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f ^: cond ^: _ input

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Task/Happy-numbers/J/happy-numbers-3.j Normal file
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(binary array) # 1..100

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Task/Happy-numbers/J/happy-numbers-4.j Normal file
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cond=: 1&~: *. 4&~: NB. not equal to 1 and not equal to 4
sumSqrDigits=: +/@(*:@(,.&.":))
sumSqrDigits 123 NB. test sum of squared digits
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8{. (#~ 1 = sumSqrDigits ^: cond ^:_ "0) 1 + i.100
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