📚 Review: #GFE-69c2 - Deep Clone (3rd)

[github-actions]

🔄 3rd Review - Spaced Repetition

It's time to review this problem to reinforce your understanding!

📊 Problem Details

• Platform: GREATFRONTEND
• Problem: #GFE-69c2 - Deep Clone
• Difficulty: GFE-75/JAVASCRIPT-UTILITIES
• Originally Solved: 12/24/2025 (11 days ago)
• Original PR: GFE Deep Clone Problem #103
• Solution File: greatfrontend/gfe-75/javascript-utilities/deep-clone/deep-clone.ts

📝 Review Instructions

1. Try solving it again without looking at your solution first
2. Compare approaches:
   • Did you solve it the same way?
   • Is your new approach more efficient?
   • What did you remember vs. forget?
3. Comment below with:
   • ✅ "Solved again easily" / "Needed hints" / "Struggled"
   • Any new insights or patterns you noticed
   • Time/space complexity comparison
4. Close this issue when you've completed the review

🧠 Learning Science

This is your 3rd review (7 days after solving). Spaced repetition at increasing intervals helps move knowledge from short-term to long-term memory!

📈 Progress Tracking

• Review 3 of 3
• Next review: Final review!

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This issue was automatically created by the Spaced Repetition Review system.

[coderabbitai]

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🔗 Similar Issues

Possible Duplicates

• 📚 Review: #GFE-69c2 - Deep Clone (2nd) #115

Related Issues

• 📚 Review: #GFE-69c2 - Deep Clone (1st) #105

🔗 Related PRs

#52 - Add GFE Flatten Problem [merged]
#53 - Leetcode Flatten Deeply Nested Array [merged]
#61 - GFE Blind 75 Most Common Elements [merged]
#103 - GFE Deep Clone Problem [merged]

👤 Suggested Assignees

• pertrai1

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💬 Have feedback or questions? Drop into our discord!

[pertrai1]

function deepClone(value: unknown): unknown {
  if (typeof value !== 'object' || value === null) {
    return value;
  }
  
  if (Array.isArray(value)) {
    return value.map((val) => deepClone(val));
  }
  
  return Object.fromEntries(Object.entries(value).map(([key, val]) => [key, deepClone(val)]));
}

Solved again easily

[github-actions]

✅ Review Completed!

Great work! You've completed review 3 of 5 for #GFE-69c2 - Deep Clone.

📊 Progress

██████░░░░ 60%

• ✅ Completed: 3/5 reviews
• 📅 Remaining: 2 review(s)

🔜 Next Review Scheduled

Your next review (Review 4) has been automatically scheduled for 2026-01-19.

The review is spaced based on when you completed this review, ensuring optimal retention intervals even if you're a few days late! 🧠

🧠 Keep Learning

• Continue solving new problems
• Watch for review notifications
• The more you practice with spaced repetition, the stronger your retention!

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Review completion recorded in docs/reviews/review-schedule.json