Is there any very fast method to find a binary logarithm of an integer number? For example, given a number x=52656145834278593348959013841835216159447547700274555627155488768 such algorithm must find y=log(x,2) which is 215. x is always a power of 2.Is there any very fast method to find a binary
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如何快速找到一个二进制对数?(O(1)在最好的情况下)
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