Is Power of Two

Check whether a given integer is a power of two. A number is a power of two if it can be expressed as 2 raised to some non-negative integer exponent. Powers of two include 1, 2, 4, 8, 16, and so on.

Examples
Input: 1
Output: true
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Is Power of Two

Check whether a given integer is a power of two. A number is a power of two if it can be expressed as 2 raised to some non-negative integer exponent. Powers of two include 1, 2, 4, 8, 16, and so on.