Contains Duplicate II LeetCode - Search Videos

Contains Duplicate II Solution in 5 Minutes | HashMap + Window Approach

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Contains Duplicate II Solution in 5 Minutes | HashMap + Window Approach

In this video, we solve LeetCode Problem 219 - Contains Duplicate II using an efficient HashMap and Sliding Window approach. 🚀 🔹 Problem: Check if there are two equal numbers in the array such that their indices difference is at most k. 🔹 Difficulty: Easy 🔹 Topics Covered: HashMap, Sliding Window, Data Structures What you will learn ...

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