{ "data": { "question": { "questionId": "231", "questionFrontendId": "231", "boundTopicId": null, "title": "Power of Two", "titleSlug": "power-of-two", "content": "

Given an integer n, return true if it is a power of two. Otherwise, return false.

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An integer n is a power of two, if there exists an integer x such that n == 2x.

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Example 1:

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\nInput: n = 1\nOutput: true\nExplanation: 20 = 1\n
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Example 2:

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\nInput: n = 16\nOutput: true\nExplanation: 24 = 16\n
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Example 3:

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\nInput: n = 3\nOutput: false\n
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Constraints:

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Most standard library headers are already included automatically for your convenience.

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OpenJDK 17 . Java 8 features such as lambda expressions and stream API can be used.

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Python 2.7.12.

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C# 10 with .NET 6 runtime

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