Python3 Solution


  • 0
    M
    class Solution:
        def plusOne(self, digits):
            """
            :type digits: List[int]
            :rtype: List[int]
            """
            digits[-1] += 1
            digits.insert(0, 0) # add a leading zero
            for i in range(len(digits) - 1, 0, -1):
                if digits[i] == 10:
                    digits[i] = 0
                    digits[i - 1] += 1
            if digits[0] == 0:
                return digits[1:]
            else:
                return digits
    

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