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Grokking the Coding Interview Patterns in Python

Solution: 3Sum

Explore how to solve the 3Sum coding problem by implementing a two pointers strategy. Understand how sorting the array and efficiently moving pointers help identify all unique triplets that sum to zero, while avoiding duplicates and optimizing for time and space complexity.

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Statement

Given an integer array, nums, find and return all unique triplets [nums[i], nums[j], nums[k]], such that i ≠ \neq j, i ≠\neq k, and j ≠\neq k and nums[i] + nums[j] + nums[k] ==0== 0 ...