2026-01-01 12:27:10 +0300 MSK

class Solution:
    def plusOne(self, digits: List[int]) -> List[int]:
        for i in reversed(range(len(digits))):
            dig = digits[i] + 1
            if dig == 10:
                digits[i] = 0
                if i == 0:
                    digits.insert(0, 1)
            else:
                digits[i] = dig
                break
        return digits