Plus One
Updated Feb 24, 2026
Problem
Given digits representing a non-negative integer, return the integer plus one.
Constraints
1 <= digits.length <= 100
Examples
Example 1
Input:
{"digits": [1, 2, 3]}
Output:
[1, 2, 4]
Function Signature
def plusOne(self, digits: list[int]) -> list[int]
How to Submit
Implement a Solution class with a plusOne method.
Your method will be called with the input parameters and should return the answer.