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Grokking the Coding Interview Patterns in C#

Solution: 3Sum

Explore solving the 3Sum problem by applying the two pointer technique. Learn to sort the array, use pointers to identify triplets summing to zero, and skip duplicates for unique results.

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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 ...