Solution: Add to Array-Form of Integer
Explore how to add an integer k to the array-form representation of a number by processing digits from right to left. Learn to handle carry propagation efficiently without converting the entire array to an integer, and gain insights into the time and space complexity of this method.
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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 [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:
numwill not contain leading zeros unless the number itself is zero.
Constraints:
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