Darbar 505 — Range Sum Of Bst
Easy
Darbar · Trees
Catalog slot 505 of 548 (source id 519). Topic trees / dfs based.
Solve on LeetCode: Range Sum Of Bst. 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: Mock and personal gauntlet (weeks 91-108, slots 471-548). Warmup: Two-problem blocks (45 min). Exam: Full mock interviews scored on a rubric.
Also filed under: trees / binary search tree.
Triangulation — Trees: Darbar speed is Traversal, LCA, tree DP; Forge depth is Euler Tour, HLD, DSU on Tree; production artifact is Agent-execution forensics.
Evidence (cookiecutter problem_505.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
- Increasing Order Search Tree · easy
- Merge Two Binary Trees · easy
- Sum Of Root To Leaf Binary Numbers · easy
- Maximum Depth Of Binary Tree · easy
Darbar slot 505 of Tensor-to-Tenant · Previous · Next.