Darbar 210 — Longest String Chain

Medium

Darbar · Hash Table

Catalog slot 210 of 548 (source id 715). Topic hash table / dp based.

Solve on LeetCode: Longest String Chain. Do not treat this page as a statement dump.

Aligned T2T band: weeks 1–6. Start at Week 1. Full map: Darbar hub.

Pattern block: Tree and graph fluency (weeks 31-45, slots 201-280). Warmup: Tree traversals and adjacency-list graph walks. Exam: Tree+graph block with one design flavored problem.

Evidence (cookiecutter problem_210.md)

1. Attempt log (approaches that failed)
2. Final complexity (time and space)
3. One mistake corrected
4. Production concept this slot reinforces

Personal dates and the CSV tracker stay in the learner journal.

Same subtopic

• Count Substrings That Differ By One Character · medium
• Total Appeal Of A String · hard

Hash Table index · Darbar hub

Darbar slot 210 of Tensor-to-Tenant · Previous · Next.