Darbar 035 — Build Array From Permutation

Easy

Darbar · Array

Catalog slot 35 of 548 (source id 139). Topic array / simple array.

Solve on LeetCode: Build Array From Permutation. 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: 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.

Evidence (cookiecutter problem_035.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

• Concatenation Of Array · easy
• Shuffle The Array · easy
• Kids With The Greatest Number Of Candies · easy
• Decode Xored Array · easy

Array index · Darbar hub

Darbar slot 35 of Tensor-to-Tenant · Previous · Next.