Plus One
easyYou are given a **large integer** represented as an integer array `digits`, where each `digits[i]` is the `i`th digit of the integer. The digits are ordered from most significant to least significant in left-to-right order. The large integer does not contain any leading `0`'s.
Increment the large integer by one and return the resulting array of digits.
Example 1
Input: digits = [1,2,3]
Output: [1,2,4]
Explanation: The array represents the integer 123. Incrementing by one gives 123 + 1 = 124. Thus, the result should be [1,2,4].
Example 2
Input: digits = [4,3,2,1]
Output: [4,3,2,2]
Explanation: The array represents the integer 4321. Incrementing by one gives 4321 + 1 = 4322. Thus, the result should be [4,3,2,2].
Example 3
Input: digits = [9]
Output: [1,0]
Explanation: The array represents the integer 9. Incrementing by one gives 9 + 1 = 10. Thus, the result should be [1,0].
Constraints
1 <= digits.length <= 1000 <= digits[i] <= 9digits does not contain any leading 0's.
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