2048 Game Sliding Function Implementation

Problem Overview

Implement the sliding/merging function for the 2048 game. Given a row (or board) of integer tiles, simulate a swipe in a given direction: tiles slide toward the swipe direction, adjacent equal tiles merge into one tile with doubled value (each tile can only participate in one merge per swipe), and…

• 2 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
• The rest of the problem statement — full requirements, constraints, and edge cases
• Approach and trade-offs — what passing candidates did, and the mistakes that sink people