Package g0301_0400.s0342_power_of_four
Class Solution
java.lang.Object
g0301_0400.s0342_power_of_four.Solution
342 - Power of Four\.
Easy
Given an integer `n`, return _`true` if it is a power of four. Otherwise, return `false`_.
An integer `n` is a power of four, if there exists an integer `x` such that
n == 4x
.
**Example 1:**
**Input:** n = 16
**Output:** true
**Example 2:**
**Input:** n = 5
**Output:** false
**Example 3:**
**Input:** n = 1
**Output:** true
**Constraints:**
* -231 <= n <= 231 - 1
**Follow up:** Could you solve it without loops/recursion?-
Constructor Summary
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Method Summary
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Constructor Details
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Solution
public Solution()
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Method Details
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isPowerOfFour
public boolean isPowerOfFour(int n)
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