How should I practice Next Palindrome Number?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Benchling phone screen problems in FastPrep.

Is Next Palindrome Number associated with Benchling?

FastPrep tags this as a Benchling phone screen coding practice problem when the problem catalog has that company and stage context.

Next Palindrome Number

Benchling● MediumFULLTIMEPHONE SCREEN

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Problem statement

Given a nonnegative decimal integer as number without leading zeroes, return the smallest palindromic integer that is strictly larger, also as a string.

Function

nextPalindrome(number: String) → String

Examples

Example 1

number = "100"return = "101"

101 is the first larger palindrome.

Example 2

number = "999"return = "1001"

All digits carry into a longer palindrome.

Constraints

1 <= number.length <= 100000.
number contains only decimal digits and has no leading zero unless it is 0.