LeetCode: 9. Palindrome Number

Problem: 9. Palindrome Number

Link: https://leetcode.com/problems/palindrome-number/

Difficulty: Easy

Description:

Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward.

Example 1:

Input: 121
Output: true

Example 2:

Input: -121
Output: false
Explanation: From left to right, it reads -121. From right to left, it becomes 121-. Therefore it is not a palindrome.

Example 3:

Input: 10
Output: false
Explanation: Reads 01 from right to left. Therefore it is not a palindrome.

Solution: 

Language: Swift

Runtime: 56ms
Memory: 4.0MB