Darbar 119 — Redundant Connection
Medium
Darbar · Graphs
Catalog slot 119 of 548 (source id 1001). Topic graphs / cycle detection.
Solve on LeetCode: Redundant Connection. 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 / bfs, 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_119.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
- Course Schedule Ii · medium
- Course Schedule · medium
- Find Eventual Safe States · hard
Darbar slot 119 of Tensor-to-Tenant · Previous · Next.