Return true if an integer n is a power of four. Return false otherwise. If there exists an integer x such that n == 4^x, then n is a power of four.

Return true if an integer n is a power of four. Return false otherwise. If there exists an integer x such that n == 4^x, then n is a power of four.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, optum, company-specific

目标公司: Optum

参考答案摘要

Example 1: Input: n = 16 Output: true Example 2: Input: n = 5 Output: false Example 3: Input: n = 1 Output: true To answer this question, use the "Power of 2" formula. Idea: If a number is a power of ...

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