This code defines a function named isPowerOfTwo that takes an integer n as its input argument and returns a boolean value indicating whether n is a power of two or not.
Here's an explanation of each line of the code:
This line checks if the input integer n is greater than zero. If it is not, the function returns false because no non-positive integer can be a power of two.
This line starts a loop that will run 32 times. The loop variable i is initialized to 0 and incremented by 1 on each iteration until it reaches 31. This loop will check if the input integer n is equal to 2 raised to the power of i.
This line checks if n is equal to 1 bit-shifted left by i bits, which is equivalent to 2^i. If n is equal to 2^i, it means that n is a power of two, and the function returns true.
If the loop completes without finding a power of two that is equal to n, the function returns false.
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