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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Digital-root/Scala/digital-root.scala Normal file
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def digitalRoot(x:BigInt, base:Int=10):(Int,Int) = {
def sumDigits(x:BigInt):Int=x.toString(base) map (_.asDigit) sum
def loop(s:Int, c:Int):(Int,Int)=if (s < 10) (s, c) else loop(sumDigits(s), c+1)
loop(sumDigits(x), 1)
}
Seq[BigInt](627615, 39390, 588225, BigInt("393900588225")) foreach {x =>
var (s, c)=digitalRoot(x)
println("%d has additive persistance %d and digital root of %d".format(x,c,s))
}
var (s, c)=digitalRoot(0x7e0, 16)
println("%x has additive persistance %d and digital root of %d".format(0x7e0,c,s))