Solution: Add Strings
Understand how to sum two non-negative integers represented as strings without converting them to integers. Explore the digit-by-digit addition method using pointers and carry tracking, improving your ability to solve string manipulation problems efficiently during coding interviews.
We'll cover the following...
We'll cover the following...
Statement
Given two non-negative integers, num1 and num2, represented as strings, return the sum of num1 and num2 as a string.
You must not use any built-in library for handling large integers (such as BigInteger) or directly convert the inputs to integers.
Constraints:
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