#13 · Remove duplicates from sorted array — Animation + Code Walkthrough
📺 DSA Series — Lesson 13 of 110
Remove duplicates from sorted array — Given a sorted array, remove duplicates in place and return the count of unique values. We build the intuition first, then write it in clean, runnable Python. Perfect if you're starting Data Structures & Algorithms. 🚀
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⏱️ CHAPTERS 0:00 Intro 0:23 Key idea ⚡ 0:58 The code 2:43 How fast 3:04 Remember
📚 In this lesson • The intuition behind the problem • The approach / pattern: Two pointers • Writing the solution in Python, line by line • Time & space complexity — why it's efficient • Common mistakes to avoid
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