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Solution: Add to Array-Form of Integer

Understand the method to add an integer k to a number given as an array of its digits. This lesson guides you through digit-by-digit addition handling carry-over without converting the entire array to an integer, improving your ability to solve math-based coding problems efficiently.

Statement

The array form of an integer is defined as an array of its digits ordered from left to right. For instance, the array form of 13211321 is [1, 3, 2, 1].

You are given num, which represents an integer in its array form, and an integer k. Compute the sum of the integer represented by num and k, then return the result as an array form representation.

Note: num will not contain leading zeros unless the number itself is zero.

Constraints:

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