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3Sum - Classic

Last edited: August 10, 2025

Problem
Examples
Follow up
Solution
Method 1 - Brute Force
Code
Complexity
Method 2 - Sorting and Two Pointer Approach - Outputs duplicate triplets❌
Code
Complexity
Method 3 - Sorting and Two Pointer Approach - Fixes Duplicate Issue 🏆
Method 3 - Use Hashing 🏆
Code
Complexity

Related Tags

sum n-sum 2sum two-pointers

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