#1464Easy#42 in Cisco's list· asked at 21 companies
Palindrome Number
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What we know
Example 1
Input: x = 121 Output: true
Example 2
Input: x = -121 Output: false
Read backwards it becomes 121-, which is not the same.
Example 3
Input: x = 10 Output: false
Constraints
- •
-2^31 <= x <= 2^31 - 1 - •
Follow up: solve it without converting the integer to a string.