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9

You need to be careful of rounding issues with floating point numbers. Also how does isPower(-8, -2) fair?

JeremyP
– JeremyP

2010-12-13 13:25:44 +00:00
Commented Dec 13, 2010 at 13:25
Yes, you are right. I thought integer is positive. Then, I should think it's abs version

user467871
– user467871

2010-12-13 13:43:10 +00:00
Commented Dec 13, 2010 at 13:43
You should try isPower(1162261467, 3) x is greater one (int the question)

user467871
– user467871

2010-12-13 13:46:33 +00:00
Commented Dec 13, 2010 at 13:46
1

+1 nice way, but, It's not O(1), Is O(log(x) + log(y)), Also using decimal is better to avoid rounding problems.

Saeed Amiri
– Saeed Amiri

2010-12-17 15:14:12 +00:00
Commented Dec 17, 2010 at 15:14
I think your code fails for (17, -2). (You can correct it though).

azam
– azam

2016-08-13 22:04:29 +00:00
Commented Aug 13, 2016 at 22:04

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