Package g0301_0400.s0326_power_of_three

Class Solution

java.lang.Object

g0301_0400.s0326_power_of_three.Solution

public class Solution
extends Object

326 - Power of Three.<p>Easy</p> <p>Given an integer <code>n</code>, return <em><code>true</code> if it is a power of three. Otherwise, return <code>false</code></em>.</p> <p>An integer <code>n</code> is a power of three, if there exists an integer <code>x</code> such that <code>n == 3^x</code>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> n = 27</p> <p><strong>Output:</strong> true</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> n = 0</p> <p><strong>Output:</strong> false</p> <p><strong>Example 3:</strong></p> <p><strong>Input:</strong> n = 9</p> <p><strong>Output:</strong> true</p> <p><strong>Constraints:</strong></p> <ul> <li><code>-2³¹ <= n <= 2³¹ - 1</code></li> </ul> <p><strong>Follow up:</strong> Could you solve it without loops/recursion?</p>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
boolean	isPowerOfThree(int n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

isPowerOfThree

public boolean isPowerOfThree(int n)