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Solution: Plus One

Understand how to increment an integer represented as an array of digits by one. Learn to handle carry operations from right to left efficiently and solve this common coding interview problem using arithmetic addition logic.

Statement

You are given a non-negative integer represented as an integer array, digits, where each element in digits[i] corresponds to a single digit of the integer. The digits are arranged from most significant (left) to least significant (right), and the number has no leading zeros.

Your task is to add one to this integer and return the updated number in the same digit-array format.

Constraints:

  • 11 \leq ...