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LeetCode 349 | Intersection of Two Arrays | Python Set or Sort-Two-Pointers | AlgoYogi

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Oct 19, 2025
9:22

Welcome to AlgoYogi! πŸš€ Start Your Smart Coding Prep at πŸ‘‰ https://algoyogi.io We solve LeetCode 349: Intersection of Two Arrays using Python with two clean approaches: 1) Set method: convert both arrays to sets and take their intersection; return as a list of unique values. 2) Sort + two pointers: sort both arrays, walk with i and j, collect unique matches. πŸ‘‰ Problem Link: https://leetcode.com/problems/intersection-of-two-arrays/ --- ### ⏱ Timestamps 0:00 Introduction 0:20 Problem Statement 0:50 Set Intersection Approach 7:00 Python Code Walkthrough 8:30 Time and Space Complexity --- ### πŸ’‘ Why Watch? - Fast, interview-ready solutions for unique intersections - Understand trade-offs between hashing and sorting - Clean implementations with linear or n log n time #LeetCode #IntersectionOfTwoArrays #Python #AlgoYogi #HashSet #TwoPointers

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LeetCode 349 | Intersection of Two Arrays | Python Set or Sort-Two-Pointers | AlgoYogi | NatokHD