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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Digital-root/Nim/digital-root.nim Normal file
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import strutils
proc droot(n: int64): auto =
var x = @[n]
while x[x.high] > 10:
var s = 0'i64
for dig in $x[x.high]:
s += parseInt("" & dig)
x.add s
return (x.len - 1, x[x.high])
for n in [627615'i64, 39390'i64, 588225'i64, 393900588225'i64]:
let (a, d) = droot(n)
echo align($n, 12)," has additive persistence ",a," and digital root of ",d