Here is a step-by-step solution in Python:

1. First, we need to handle the special case where `n` is less than or equal to 0. Since 2 to the power of any number cannot be less than or equal to 0, we return `False` in this case.

```python
if n

Question

Here is a step-by-step solution in Python:

1. First, we need to handle the special case where `n` is less than or equal to 0. Since 2 to the power of any number cannot be less than or equal to 0, we return `False` in this case.

```python
if n <= 0:
    return False
```

2. Next, we use a bitwise trick to determine if `n` is a power of two. If `n` is a power of two, then `n` in binary is a 1 followed by some number of 0s. Therefore, `n - 1` in binary is a string of 1s of the same length as `n`. If we take the bitwise AND of `n` and `n - 1`, we should get 0 if `n` is a power of two.

```python
return (n & (n - 1)) == 0
```

So, the complete function is:

```python
def isPowerOfTwo(n):
    if n <= 0:
        return False
    return (n & (n - 1)) == 0
```

This function will return `True` if `n` is a power of two, and `False` otherwise.

Knowee AI · Accepted Answer

Here is a step-by-step solution in Python:

1. First, we need to handle the special case where `n` is less than or equal to 0. Since 2 to the power of any number cannot be less than or equal to 0, we return `False` in this case.

```python
if n <= 0:
    return False
```

2. Next, we use a bitwise trick to determine if `n` is a power of two. If `n` is a power of two, then `n` in binary is a 1 followed by some number of 0s. Therefore, `n - 1` in binary is a string of 1s of the same length as `n`. If we take the bitwise AND of `n` and `n - 1`, we should get 0 if `n` is a power of two.

```python
return (n & (n - 1)) == 0
```

So, the complete function is:

```python
def isPowerOfTwo(n):
    if n <= 0:
        return False
    return (n & (n - 1)) == 0
```

This function will return `True` if `n` is a power of two, and `False` otherwise.

Given an integer n, return true if it is a power of two. Otherwise, return false.An integer n is a power of two, if there exists an integer x such that n == 2x.

Question

Solution

Similar Questions

Upgrade your grade with Knowee