way to calculate 2**1000 without expanding it?
Steven D'Aprano
steve+comp.lang.python at pearwood.info
Sat Sep 17 04:17:05 CEST 2011
Arnaud Delobelle wrote:
> Ah go on, let's make a codegolf contest out of it.
> My entry:
>
>>>> sum(map(int,str(2**1000)))
> 1366
Time for some obfuscated Python!
b = (16,13624)
for i in range(23, 42, 3):
b = (b[0]*b[0], b[1]+1024)
for j in range(12345, 8929, -7):
b = (b[0]+b[0], b[1]-3)
while b > (0,9876):
b = tuple((lambda a,b: map(lambda a,b:a+b, a,b))
((lambda a,b: map(lambda a,b:a*b, a,b))
(b,(0,1)), (lambda a,b: map(lambda a,b:a-b, a,b))
(divmod(b[0],10),(0,64))))
print b[1]
--
Steven
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