Package g0201_0300.s0263_ugly_number
Class Solution
java.lang.Object
g0201_0300.s0263_ugly_number.Solution
263 - Ugly Number\.
Easy
An **ugly number** is a positive integer whose prime factors are limited to `2`, `3`, and `5`.
Given an integer `n`, return `true` _if_ `n` _is an **ugly number**_.
**Example 1:**
**Input:** n = 6
**Output:** true
**Explanation:** 6 = 2 × 3
**Example 2:**
**Input:** n = 8
**Output:** true
**Explanation:** 8 = 2 × 2 × 2
**Example 3:**
**Input:** n = 14
**Output:** false
**Explanation:** 14 is not ugly since it includes the prime factor 7.
**Example 4:**
**Input:** n = 1
**Output:** true
**Explanation:** 1 has no prime factors, therefore all of its prime factors are limited to 2, 3, and 5.
**Constraints:**
*
-231 <= n <= 231 - 1
-
Constructor Summary
Constructors -
Method Summary
-
Constructor Details
-
Solution
public Solution()
-
-
Method Details
-
isUgly
public boolean isUgly(int n)
-