Darbar 189 — Valid Palindrome Ii

Easy

Darbar · Greedy

Catalog slot 189 of 548 (source id 1367). Topic greedy / two pointer.

Solve on LeetCode: Valid Palindrome Ii. 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: State machines and simulations (weeks 16-30, slots 121-200). Warmup: Simulation and state-transition drills. Exam: 2-3 state-machine problems in 60 minutes.

Evidence (cookiecutter problem_189.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

• Di String Match · easy
• Minimize Maximum Pair Sum In Array · medium
• Partition Labels · medium
• Minimum Adjacent Swaps To Reach The Kth Smallest Number · medium

Greedy index · Darbar hub

Darbar slot 189 of Tensor-to-Tenant · Previous · Next.