6 Commits

Author SHA1 Message Date
tomatocream b4f25ab87b feat: add NeetCode roadmap extractor with dependency graph
- extract.mjs: idempotent script that fetches neetcode.io JS chunks,
  extracts topic dependency graph (18 topics, 21 edges) and problems
  (965 total, 199 NeetCode 150)
- out/roadmap.json: full data (graph + all problems + courses)
- out/roadmap-neetcode150.json: filtered to NeetCode 150 only
- out/roadmap.dot: Graphviz visualization
- out/roadmap.org: org-mode with TODO checklists, Python/C++ links
- neetcode-roadmap-graph.json: standalone edge list
- neetcode-roadmap.dot: standalone DOT file

Also reformats subarray table in qn_00.org
2026-06-01 02:07:20 +08:00
tomatocream f603236a48 Add remaining flashcards and reference files (qn_01, segment_tree, ds, learning) 2026-05-26 01:32:16 +08:00
tomatocream fa64e776ca Add subarray patterns reference guide (explanatory document) 2026-05-26 01:30:33 +08:00
tomatocream 127aad7003 Add prefix state generalization, product, bitwise, and keyword mappings 2026-05-26 01:28:42 +08:00
tomatocream defa2145e8 Convert LeetCode links to org-mode inline format 2026-05-26 01:19:43 +08:00
tomatocream 978ab00faa Add subarray sum equals K flashcards (LC 560, 974, 325) 2026-05-26 01:15:40 +08:00