Sum Pairwise Remainders Across Two Integer Ranges
Company: IBM
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: easy
Interview Round: Online Assessment
Overview: Sum every remainder produced by pairing an integer in one inclusive range with each valid divisor in another. This algorithmic exercise emphasizes quotient-block aggregation, the undefined zero-divisor boundary, and 64-bit arithmetic without a quadratic loop.