Add Strings
Understand how to sum two non-negative integer strings without converting them to integers or using built-in libraries. This lesson guides you through solving the addition problem step-by-step, strengthening your skills with string manipulation and problem-solving patterns in C#.
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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