Darbar 105 — Number Of Provinces
Medium
Darbar · Graphs
Catalog slot 105 of 548 (source id 904). Topic graphs / bfs.
Solve on LeetCode: Number Of Provinces. Do not treat this page as a statement dump.
Aligned T2T band: weeks 46–57. Start at Week 46. Full map: Darbar hub.
Pattern block: Timed routing (weeks 1-15, slots 1-120). Warmup: LeetCode-style easy problems (15 min each). Exam: Weekly timed block, 3-5 problems in 60 minutes.
Also filed under: graphs / connected components, graphs / dfs, graphs / strongly connected components, graphs / union find.
Triangulation — Graphs: Darbar speed is BFS/DFS and shortest paths; Forge depth is SCC, flow, matching, min-cost flow; production artifact is Workflow and routing platform.
Evidence (cookiecutter problem_105.md)
- Attempt log (approaches that failed)
- Final complexity (time and space)
- One mistake corrected
- Production concept this slot reinforces
Personal dates and the CSV tracker stay in the learner journal.
Same subtopic
- Find If Path Exists In Graph · easy
- All Paths From Source To Target · medium
- Keys And Rooms · medium
- Redundant Connection · medium
Darbar slot 105 of Tensor-to-Tenant · Previous · Next.