Скачать или смотреть DSA DAY 75

🔁 Permutations That Matter — Only the Unique Ones!
Day 75 of #geekstreak2025 and we’re diving deep into recursion + backtracking to generate all unique permutations of a string (even with duplicate characters)! 🧠⚙️

🛠️ What's happening here?
✅ Sorted the characters
✅ Used a used[] array to track placement
✅ Skipped repeated characters with pruning
✅ Backtracking for clean, optimal tree traversal

🚀 Great mix of logic, depth, and real-world value (hello, anagrams & combinations!)
Save this pattern — it’s GOLD in interviews!
🔥 Follow for more DSA magic in JavaScript!



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