ARRAY| FIRST REPEATING ELEMENT| GFG| [OPTIMAL APPROACHES]
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ARRAY| FIRST REPEATING ELEMENT| GFG| [OPTIMAL APPROACHES]
First Repeating Element — 3 Approaches Explained (Brute Force → Hashing → Optimal Thinking) In this video, we break down one of the most common interview problems and, more importantly, the thinking process behind it. Problem: Find the index of the first repeating element in an array (1-based indexing) What you’ll learn: 1. Brute Force ...
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