Triplet Sum Problem. Examples: 3SUM Problem a classic problem in computer science

Examples: 3SUM Problem a classic problem in computer science and is often used in coding interviews to test problem-solving skills and understanding of algorithms. The hypotenuse c (which is always odd) is the sum of two squares. Oct 6, 2024 · In this article, we’ll discuss a well-known LeetCode problem, 3Sum (Problem 15). Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers at distinct indices in nums such that the sum is closest to target. Jul 23, 2025 · The naive approach is to explore all the triplets using three nested loops and if the sum of any triplet is equal to given target then increment the counter by 1. Else, return false. Given an integer array `nums`, return all the triplets `[nums[i], nums[j], nums[k]]` where `nums[i] + nums[j] + nums[k] == 0`, and the indices `i`, `j` and `k` are Nov 5, 2021 · Another approach: In this, we first need to sort the whole array and after that when we add the last three-element of the array then we find the maximum sum of triplets. Create a set to keep the track of triplets we have visited. For example, if triplets with zero sum in the array are (X[i], X[j], X[k]), then X[i] + X[j] + X[k] = 0. The 3 Sum problem finds all unique triplets in an array that sum up to a target value, ensuring no duplicate triplets are returned Can you solve this real interview question? 3Sum - Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j Given an array of unsorted numbers, find all unique triplets in it that add up to zero.

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