Arbitrary-Precision Integer Arithmetic: Core Algorithms and C++ Implementation
Big Integer Addition
Given two positive integers (without leading zeros), calculate their sum.
Input Format
Two lines, each containing one integer.
Output Format
One line containing the resulting sum.
Constraints
$1 \leq \text{integer length} \leq 100000$
Example
Input:
12
23
Output:
35
Algorithm
Represent numbers as digit arrays in reverse o ...
Posted on Mon, 13 Jul 2026 16:25:18 +0000 by GetPutDelete