LeetCode Study System

A structured LeetCode study system powered by Claude Code skills. Solutions in Python 3, managed via the LeetCode VSCode extension.

Structure

*.py                  # Solution files: {id}.{problem-name}.py
.claude/skills/       # Claude Code skills (lcexplain, lcdoc, lclog, etc.)
study_logs/           # Per-plan study logs with problem records and event trails
today_plans/          # Daily execution plans
claude/references/    # Pattern and data-structure vocabulary references
scripts/              # Utility scripts

Local-only paths such as leetcode-study-tool/, .lcpr_data/, and .claude/settings.json are intentionally ignored and are not required to use the repository.

Skills (Claude Code)

Skill	Purpose
/lcexplain	Teach one problem in subcategory context
/lcdoc	Write learning comments into solution files
/lclog	Record a study session to the active log
/lcsubclass	Consolidate a subcategory into one reviewable topic
/lcplantoday	Generate today's study plan from the active checklist
/lcplanverify	Verify checklist consistency before planning
/lcquiz	Quick recall quiz on learned problems
/lcreview	Structured diagnosis of a solution
/lcfix	Minimal debug pass with # FIX: comments

Design Principles

• Teach the technique, not just the answer. Each problem is an entry point into a broader pattern family.
• Structured recall over passive review. Study logs, subcategory consolidations, and quizzes reinforce long-term retention.
• Minimal but honest. Comments target first-time learners. Mastery ratings stay honest. No inflated comfort levels.