Leetcode Coach

which tinyfish && tinyfish --version || echo "TINYFISH_CLI_NOT_INSTALLED"

tinyfish auth status

# Agent 1 — LeetCode problem search
tinyfish agent run \
  --url "https://leetcode.com/problemset/?difficulty={DIFFICULTY}&topicSlugs={TOPIC_SLUG}" \
  "You are on the LeetCode problem set page filtered by difficulty and topic.
   Find 3 problems that match the topic: {TOPIC}.
   For each problem extract:
   - title
   - difficulty (Easy/Medium/Hard)
   - acceptance rate
   - topic tags
   - direct URL to the problem (e.g. https://leetcode.com/problems/two-sum/)
   STRICT RULES:
   - Do NOT click any problem to open it
   - Read only the problem listing visible on this page
   - Return exactly 3 problems, no more
   - Skip premium-only problems (marked with a lock icon)
   Return JSON array: [{title, difficulty, acceptance_rate, tags, url}]" \
  --sync > /tmp/lc_leetcode.json &

# Agent 2 — HackerRank problem search
tinyfish agent run \
  --url "https://www.hackerrank.com/domains/algorithms?filters%5Bsubdomains%5D%5B%5D={TOPIC_SLUG}" \
  "You are on HackerRank's algorithms problem listing filtered by topic.
   Find 2 problems that match the topic: {TOPIC} at {DIFFICULTY} level.
   For each problem extract:
   - title
   - difficulty
   - score/points
   - topic tags
   - direct URL to the problem
   STRICT RULES:
   - Do NOT click any problem
   - Read only the visible listing
   - Return up to 2 problems
   - Skip problems requiring premium or contests
   Return JSON array: [{title, difficulty, score, tags, url}]" \
  --sync > /tmp/lc_hackerrank.json &

# Agent 3 — Codeforces problem search
tinyfish agent run \
  --url "https://codeforces.com/problemset?tags={TOPIC_SLUG}" \
  "You are on Codeforces problem set filtered by tag.
   Find 2 problems matching the topic: {TOPIC} at approximately {DIFFICULTY} level
   (Easy ≈ rating 800-1200, Medium ≈ 1300-1800, Hard ≈ 1900+).
   For each problem extract:
   - problem ID (e.g. 1A, 158B)
   - title
   - rating
   - tags
   - direct URL (e.g. https://codeforces.com/problemset/problem/1/A)
   STRICT RULES:
   - Do NOT click any problem
   - Read only the visible listing
   - Return up to 2 problems
   Return JSON array: [{id, title, rating, tags, url}]" \
  --sync > /tmp/lc_codeforces.json &

wait

echo "=== LEETCODE ===" && cat /tmp/lc_leetcode.json
echo "=== HACKERRANK ===" && cat /tmp/lc_hackerrank.json
echo "=== CODEFORCES ===" && cat /tmp/lc_codeforces.json

Here are 3 problems matched to your focus on **{TOPIC}** in **{LANGUAGE}**:

**Option 1 — {Title}** ({difficulty}) · {source}
Tags: {tags}
Acceptance: {rate}
🔗 {url}

**Option 2 — {Title}** ({difficulty}) · {source}
Tags: {tags}
🔗 {url}

**Option 3 — {Title}** ({difficulty}) · {source}
Tags: {tags}
🔗 {url}

Which one do you want to tackle? (1, 2, or 3)

How do you want to solve it?

1. **On the website** — I'll give you the direct link and you solve it in the browser
2. **Locally** — I'll fetch the full problem and set up files on your machine so you can code in your editor

(1 or 2)

Here you go: {problem_url}

Good luck! Come back and paste your solution when you're done — I'll review it.

tinyfish agent run \
  --url "{CHOSEN_PROBLEM_URL}" \
  "You are on a coding problem page. Extract the complete problem details.
   Extract:
   - title
   - difficulty
   - full problem description (exactly as written — do not paraphrase)
   - constraints (exact list)
   - all example inputs and outputs with explanations
   - topic tags
   - any follow-up questions mentioned
   STRICT RULES:
   - Do NOT click any links
   - Extract the complete description verbatim — do not shorten it
   - If examples have visual diagrams described in text, include them
   Return JSON: {title, difficulty, description, constraints: [], examples: [{input, output, explanation}], tags: [], followup}" \
  --sync