leetcode: 66. Plus One
2017-11-19 15:33
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Problem
# Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. # # You may assume the integer do not contain any leading zero, except the number 0 itself. # # The digits are stored such that the most significant digit is at the head of the list.
AC
class Solution(): def plusOne(self, x): x = [str(x) for x in x] num = int(''.join(x)) + 1 return [int(x) for x in str(num)] if __name__ == "__main__": assert Solution().plusOne([9, 9, 9, 9]) == [1, 0, 0, 0, 0]
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