Plus one
An array of digits represents a non-negative integer (most significant first). Add one and return the resulting digit array.
Implement
plus_one(digits: list[int]) → list[int]Examples
in
[[1,2,3]]out[1,2,4]What a strong answer looks like
State your approach and its time/space complexity out loud before you optimize. Handle the edge cases (empty input, duplicates, overflow), and say why you chose this over the brute force. Green tests are the floor, not the grade.
0:00 of about 15 min
solution.py
InputExpectedGot
[[1,2,3]][1,2,4]not run yetsample