Add Strings
Explore how to add two non-negative integers given as strings by simulating manual addition digit by digit. Understand constraints that prohibit direct integer conversion and learn to implement efficient string-based addition to handle large numbers.
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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