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Just another update

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Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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9
Task/Prime-decomposition/Python/prime-decomposition-2.py
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@ -5,19 +5,14 @@ except NameError:
long = int
def fac(n):
step = lambda x: 1 + x*4 - (x//2)*2
step = lambda x: 1 + (x<<2) - ((x>>1)<<1)
maxq = long(floor(sqrt(n)))
d = 1
q = n % 2 == 0 and 2 or 3
while q <= maxq and n % q != 0:
q = step(d)
d += 1
res = []
if q <= maxq:
res.extend(fac(n//q))
res.extend(fac(q))
else: res=[n]
return res
return q <= maxq and [q] + fac(n//q) or [n]
if __name__ == '__main__':
import time