3 Sum Solution Java. instagram. Jul 23, 2025 · [Expected Approach] Using Hash Map - O

instagram. Jul 23, 2025 · [Expected Approach] Using Hash Map - O (n^3) Time and O (n) Space [Naive Approach] Using Three Nested Loops - O (n^3) Time and O (1) Space The simplest approach is to generate all possible triplets using three nested loops and if the sum of any triplet is equal to zero then add it to the result. - Leetcode-Solutions/3Sum. Let's see code, 16. Return the sum of the three integers. If you'd like to share your solution for feedback and ideas, please head to the solutions tab and post it there. **Example 1:** ```java Input: x = 9 Output: 3 ``` **Example 2 Apr 7, 2023 · Having a List of 3 Integers is not as good as an int[3] array. Nov 30, 2023 · LeetCode Q-15 Solution: https://github. We will create 3 nested for loops to find different combinations of If the sum is greater than zero, we decrease high to reduce the sum. Given an input array nums, the goal is to identify all sets of three elements (a, b, c) where a + b + c = 0, with each triplet returned in non-descending order and without duplication.

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