Delete / Edit Interval

Problem Overview

You are given a collection of non-overlapping intervals (each represented as [start_idx, end_idx], possibly referring to substrings of a 'cipher' password string or simply as generic intervals) and an index idx. The core tasks are: (1) Delete the interval at position idx from the collection and return the remaining intervals.…

• 4 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