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Update math/binary_exponent.cpp

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Co-Authored-By: John Law <johnlaw.po@gmail.com>
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Mann Mehta 2020-04-04 17:28:19 +05:30 committed by GitHub
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math/binary_exponent.cpp
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@ -2,7 +2,7 @@
#include<iostream>
/*
* Calculating a^b in O(log(b)) by converting b in binary no.
* Calculate a^b in O(log(b)) by converting b to a binary number
* Binary exponentiation (also known as exponentiation by squaring)
* is a trick which allows to calculate an using only O(logn) multiplications
* (instead of O(n) multiplications required by the naive approach).