To solve the problem of finding the longest range in a set of integers efficiently, I decided to make use of Python sets for O(1) lookups.
Instead of maintaining a single current range, I created a mapping of extendable integers to their corresponding ranges, ensuring efficient updates.
Dealing with coalescing ranges was complex, especially when encountering integers that bridged gaps; this required careful handling and multiple mappings.
Ultimately, it took time to debug and refine the approach to efficiently coalesce overlapping ranges and ensure accurate length calculations.
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