Darbar 495 — Range Sum Of Bst

Easy

Darbar · Trees

Catalog slot 495 of 548 (source id 487). Topic trees / binary search tree.

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 / dfs based.

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_495.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

• Search In A Binary Search Tree · easy
• Binary Tree Inorder Traversal · easy
• Convert Sorted Array To Binary Search Tree · easy
• Binary Search Tree To Greater Sum Tree · medium

Trees index · Darbar hub

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