Check Power of Two
Check Power of Two
EasyMath22% accepted
Given a positive integer N, check if it is a power of 2. Powers of 2 are: 1, 2, 4, 8, 16, 32, 64, ... A number is a power of 2 if you can divide it by 2 repeatedly until you reach 1 (with no remainders). Print 'Yes' or 'No'.
Approach
Given a positive integer N, print 'Yes' if N is a power of 2, else 'No'.
Input
1
Output
YES
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