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Solution: Plus One

Understand how to solve the problem of adding one to a number represented as an integer array. Learn to handle digit increments and carries efficiently, with detailed explanation and code for this common math and geometry coding challenge.

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 ...