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daiksy/maxPrime.scala

Created December 19, 2012 00:38
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ご祝儀用に予算内のMax素数を算出するコード
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maxPrime.scala
def maxPrime(n: Int) = {
def isPrime(n: Int) = Iterator.from(2).takeWhile(p => p * p <= n).forall(p => n % p != 0)
(1 to n).filter(isPrime).max
}
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daiksy commented Dec 19, 2012

元ネタはこちら
https://twitter.com/ayato_p/status/281193170040152065

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