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@ka_(ka)

素数のときにJoJo - CoffeeScript -

Last updated at Posted at 2012-08-11

自分も CoffeeScript で作って見ました．

jojo_prime.coffee
isPrime = (x) ->
  return false if x < 2
  return true if x == 2
  return false if x % 2 == 0
  for i in [3..(Math.sqrt x)] by 2
    return false if x % i == 0
  true

for i in [1..100]
  console.log (if isPrime i then 'JOJO!' else i)
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