Given an integer x, return true if x is palindrome integer. An integer is a palindrome when it reads the same backward as forward. • For example, 121 is a palindrome while 123 is not. Example 1: Input: x 121 Output: true Explanation: 121 reads as 121 from left to right and from right to left. Example 2: Input: x= -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: x= 10 Output: false Explanation: Reads 01 from right to left. Therefore it is not a palindrome. Constraints: • −2³1 <= x <= 2³1 - 1
Given an integer x, return true if x is palindrome integer. An integer is a palindrome when it reads the same backward as forward. • For example, 121 is a palindrome while 123 is not. Example 1: Input: x 121 Output: true Explanation: 121 reads as 121 from left to right and from right to left. Example 2: Input: x= -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: x= 10 Output: false Explanation: Reads 01 from right to left. Therefore it is not a palindrome. Constraints: • −2³1 <= x <= 2³1 - 1
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Given an integer x, return true if x is palindrome integer.
An integer is a palindrome when it reads the same backward as forward.
• For example, 121 is a palindrome while 123 is not.
Example 1:
Input: x= 121
Output: true
Explanation: 121 reads as 121 from left to right and from right to left.
Example 2:
Input: x= -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: x= 10
Output: false
Explanation: Reads 01 from right to left. Therefore it is not a palindrome.
Constraints:
-231 <= x <= 231 1
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