Package g1901_2000.s1952_three_divisors

Class Solution

java.lang.Object

g1901_2000.s1952_three_divisors.Solution

public class Solution
extends Object

1952 - Three Divisors.<p>Easy</p> <p>Given an integer <code>n</code>, return <code>true</code> <em>if</em> <code>n</code> <em>has <strong>exactly three positive divisors</strong>. Otherwise, return</em> <code>false</code>.</p> <p>An integer <code>m</code> is a <strong>divisor</strong> of <code>n</code> if there exists an integer <code>k</code> such that <code>n = k * m</code>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> n = 2</p> <p><strong>Output:</strong> false</p> <p><strong>Explantion:</strong> 2 has only two divisors: 1 and 2.</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> n = 4</p> <p><strong>Output:</strong> true</p> <p><strong>Explantion:</strong> 4 has three divisors: 1, 2, and 4.</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= n <= 10⁴</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
boolean	isThree(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

isThree

public boolean isThree(int n)