Power of Two | LeetCode 231 | C++, Java, Python

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June LeetCoding Challenge | Problem 8 | Power of Two | 8 June,
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[md.tarekhasan]

Another good explanation from Knowledge Center :D

[cognizant]

Bhai constraint is you should be given negative numbers too ?? How you tackle -ve numbers??

[mayankgupta]

sir, how can i know that my submitted answer is best?? i mean i don't understand how to check my recent submission is better than previous one?

[giri_teja]

How do you tackle the case where the numbers are fractions like 1/2, 1/4, 1/8....and I do understand that the given number is integer so yes it would work for the given problem ...but I'm asking you in general .I solved it using log2 function which would even work for the cases of fractions

[md.tarekhasan]

Have solved it already. ;P
class Solution {
public boolean isPowerOfTwo(int n) {
return n>0 && (n&(n-1))==0 ? true : false;
}
}