3sum Closest Java. I am working on the 3SUM problem (taken from leetcode), which takes
I am working on the 3SUM problem (taken from leetcode), which takes a list as input and finds all unique triplets in the lists such that a+b+c=0. skool. , √(x1 - x2)2 + (y1 - y2)2). Jul 23, 2025 · The 3-Sum problem is a classic algorithmic problem where the objective is to find all unique triplets in an array that sum up to a specific target value, usually zero. com/problems/3sum-closest/My The video has the Problem Statement, Code, Dry Run of the Leetcode Question #15, 3Sum [Developer Docs Solution] 1. Hope you like the vide Jan 18, 2025 · To find the triplet in an array whose sum is closest to a given target, two approaches can be utilized. I am not really sure what my code is doing wrong, but it currently returns an empty list for this list [-1, 0, 1, 2, -1, -4], so it is not recognizing any triplets that sum to 0. 3Sum Closest is a Leetcode medium level problem. Want to study for Tech Placements/Internships from us :Our Latest Placement Batches : h Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. The answer is Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. 6K subscribers Subscribed Detailed solution for 3 Sum : Find triplets that add up to a zero - Problem Statement: Given an array of N integers, your task is to find unique triplets that add up to give a sum of zero. Practice essential algorithms, data structures, and design patterns for coding interviews. Return the sum of the three integers. 1K subscribers Subscribe LeetCode 16 | 3Sum Closest | Solution Explained (Java + Whiteboard) Xavier Elon 4. solution for leetcode problem Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. 3Sum Closest problem of Leetcode. Contribute to vibhorbhatt777/Leetcode-Practice development by creating an account on GitHub. io/Code solutions in Python, Java, C++ and JS for this can be found at my GitHub repo here: h 3Sum Closest LeetCode Solution - Given integer array nums and integer target, find three integers in nums such that sum is closest to target. This contain the solution of daily challenges in leetcode - Abhisheksanj/Leetcode-solution Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. Basically the approach is this: Sort the array. You need 🚀 https://neetcode. While both challenges involve identifying 3 Sum Closest - Leetcode 16 - Java 💡 Source Code: https://bit. Iterate through each number in the array. Three Sum Closest (LeetCode 16) | Full Solution with visual explanation | Interview Essential Nikhil Lohia 72. Following code will work for 2Sum, 3Sum, 4Sum and so on. Following a similar logic, we can implement 5Sum by wrapping 4Sum in another loop. Better than official and forum solutions. But what about the 6Sum, 7Sum and so on. May 2, 2018 · I'm having trouble with the following input for 3sum algorithm. Solution: https://leetcode. Given an array arr[] and an integer target, determine if there exists a triplet in the array whose sum equals the given target. Now we need to find three different integers in the array, whose sum is closest to the given i This is Lecture 38 of DSA Placement Series. The distance between two points on the X-Y plane is the Euclidean distance (i. length. Contribute to fengpiaolin/leetcode development by creating an account on GitHub. be/kGN46Z3y4WM [Devel In-depth solution and explanation for LeetCode 16. Build your foundation with core programming skills. Intuitions, example walk through, and complexity analysis. O (NlogN) implementation Asked 8 years, 8 months ago Modified 8 years, 8 months ago Viewed 3k times Jun 9, 2018 · I tried an alternative approach to the 3sum problem: given an array find all triplets that sum up to a given number. This problem 16. Note: If there are multiple sums closest to target, print the maximum one. Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. 📌 Coding Interview Q&A for Java Aspirants | DSA Problems with Java Solutions | Informational Share Sharing a curated coding interview reference for Java aspirants, covering popular DSA problems In this post, we are going to solve the 16. If you like this video, please 'Like' or 'Subscribe'. Jun 3, 2017 · A problem called 3Sum Smaller on LeetCode asks: Given an array of n integers nums and a target, find the number of index triplets i, j, k with 0 <= i < j < k < n that satisfy the condi 4 Sum Problem (Leet code 18) : This is Lecture 39 of DSA Placement Series. Aug 1, 2025 · Given an array arr [] of n integers and an integer target, find the sum of triplets such that the sum is closest to target. Example Input: nums = [-1, 2, 1, -4], **target = 1 **Expected Output**:2` Approach We can solve the problem using the Two Pointer T 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. 3 Sum Closest. You may assume that each input would have exactly one Jul 29, 2024 · Master Data Structures & Algorithms for FREE at https://AlgoMap. Our solutions include one involving a hashtable and one involving the 2 pointer trick. Example 1: Today, I solved the following LeetCode problem: #16 – 3Sum Closest Key Learnings: Practiced sorting combined with the two-pointer technique Strengthened understanding of minimizing absolute Apr 18, 2024 · The given code efficiently solves the problem of finding the closest sum of three integers in the given array nums to the given target using a two-pointer approach after sorting the array. 3Sum Closest (Java 版; Medium) 题目描述 Given an array nums of n integers and an integer target, find three integers in nums such that the sum i Jul 22, 2014 · 题目：Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. LeetCode Solutions in C++23, Java, Python, MySQL, and TypeScript. Problem Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. This is the best place to expand your knowledge and get prepared for your next interview. In this problem, you must find three integers in an array that sum up to a specific target value, with the closest sum. 06K subscribers Subscribe 3 Sum | Brute - Better - Optimal with Codes take U forward 970K subscribers Subscribed 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. Once a pair of elements (say A[ Aug 22, 2020 · This problem is a follow-up of 3Sum. 8K subscribers Subscribe Here is the solution to "3Sum Closest" leetcode question. Examp 3Sum Closest Solution In C++/Java/Python/JS Two Pointer 3Sum Closest Solution In C++/Java/Python/JS Problem Description Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to the target. Hashing Problems - Part 3. We explore multiple solutions, choose the best one, and also give tips about how to solve similar questions. Hope you have a great time going through it. At the end of this video you will be Jul 23, 2025 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. Dec 3, 2023 · Blog about guides/tutorials on Java, Java EE, Spring, Spring Boot, Microservices, Hibernate, JPA, Interview, Quiz, React, Angular, Full-Stack, DSA Aug 13, 2025 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. In this video you will get a detailed information on how to solve the leetcode question "16 3Sum Closest " using java . Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. In short, you need to return an array of all the unique quadruplets [arr[a], Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. 4Sum and 3Sum are very similar; the difference is that we are looking for unique quadruplets instead of triplets. Leetcode 16 - 3Sum Closest (JAVA, Solution Explain!). Jul 22, 2025 · Learn how to solve the 3Sum Closest problem in Java using both a basic triple loop and a faster sorted two-pointer scan, with full code and breakdowns. 最接近的三数之和 - 给你一个长度为 n 的整数数组 nums 和 一个目标值 target。请你从 nums 中选出三个在 不同下标位置 的 Three Sum Closest (LeetCode 16) | Full Solution with visual explanation | Interview Essential 3Sum (Updated Solution) - Leetcode 15 - Two Pointers (Python) 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. Dec 19, 2024 · We can solve the problem using the Two Pointer Technique with a sorted array. Oct 13, 2018 · Solving the LeetCode 3sum problem in Python Asked 7 years, 1 month ago Modified 7 years, 1 month ago Viewed 2k times Jul 26, 2022 · In the scenario I present to you, my solution is supposed to represent O (n^2 * log n), and the "pointers" solution, which I assume is the fastest way to resolve the "3SUM" problem, represents O (n^2 * 1); leaving the question of is O (1) faster than O (log n), exampling it with my code. Problem Statement: Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest…. Two Sum: https://youtu. Get expert mentorship, build real-world projects, & achieve placements in MAANG. ly/3MFZLIZJoin my free exclusive community built to empower programmers! - https://www. Leetcode 15. linkedin. e. 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. In this video, we will see another popular Question "3Sum Closest". 25x Here, in this video we have discussed Three Pointer Technique for solving 3 Sum Closest Problem . For each number: Fix the number as the first number (nums[start]). com/in/navdeep-singh-3aaa14161/🥷 Discord: https: cmd 2 Advertisements Demonstration Previous #15 Leetcode 3Sum Solution in C, C++, Java, JavaScript, Python, C# Leetcode #17 Leetcode Letter Combinations of a Phone Number Solution in C, C++, Java, JavaScript, Python, C# Leetcode Try With Live Editor Category - Leetcode Online Judge Maniruzzaman Akash 3 years ago 1226 0 HeyCoach offers personalised coaching for DSA, & System Design, and Data Science. 3Sum ClosestMediumGiven an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Scaler School of Technology Link - https://bit. Jul 27, 2021 · 16. The naive approach involves exploring all subsets of size three and calculating their sums to determine the closest to the target. Return the sum of the three integ. May 12, 2025 · The Java solution provided aims to find the sum of three integers from a given array that is closest to a specified target value. You may return the answer in any order. 3Sum Closest in Python, Java, C++ and more. ly/sst-from-dnbwithsumeetAbout the Video - This is Leetcode 16 | 3Sum ClosestI am solving DSA again via this p Jul 22, 2025 · Learn how to solve the 3Sum Closest problem in Java using both a basic triple loop and a faster sorted two-pointer scan, with full code and breakdowns. . co Given an array arr[] and an integer target, the task is to find the sum of three integers in arr[] such that the sum is closest to target. This is really helpful for my channel and also mot Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. Jan 26, 2024 · LeetCode Problem-16 3Sum Closest Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. You may assume that each input would have exactly one solution. 16. Dec 16, 2015 · Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. 44K subscribers Subscribed Day 69 , 3 sum closest , leetcode problem 16 | Java | #75hardchallenge #75hardchallenge #coding #leetcode #programming #datastructures 3sum problem link http 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 Dec 19, 2024 · Problem Statement The problem asks us to find three numbers in an array whose sum is closest to a given target value. 3Sum Closest is a problem based on array where you are given an array and a target and you need to find three element from array whose sum is closest to the target. Problem Statement Given an array of n integers and an integer , find three integers in such that the sum is closest to . However, I disagree with the other answers concerning space complexity and believe it is quadratic as there can be quadratically many distinct triples summing to 0. Apr 20, 2018 · The solution for 3sum, a popular tech interview question. Here's a high-level summary of the solution: Sort the array to prepare for the two-pointer method. Jan 15, 2010 · Given an array of integers, A1, A2, , An, including negatives and positives, and another integer S. In short, you need to return an array of all the unique triplets [arr[a For better experience watch at 1. 3Sum 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 Sep 15, 2025 · Two pointers is really an easy and effective technique that is typically used for Two Sum in Sorted Arrays, Closest Two Sum, Three Sum, Four Sum, Trapping Rain Water and many other popular interview questions. 3Sum Closest - LeetCode 16 - Coding Interview Questions One Code Man 3. This problem is a popular interview question and is commonly used in coding challenges to test a candidate's understanding of arrays, sorting, and efficient algorithms. Can you solve this real interview question? Two Sum II - Input Array Is Sorted - Given a 1-indexed array of integers numbers that is already sorted in non-decreasing order, find two numbers such that they add up to a specific target number. I'm getting Time Limit Exceeded Is my algorithm too slow for this input, any suggestions how to improve it? The original leetcode May 6, 2017 · 3Sum on a sorted array. Note: If multiple sums are closest to target, return the maximum one. 3Sum Closest Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. 3Sum Closest LeetCode Problem (Java). For each element, we search for its closest complement using binary search, updating the closest sum found so far. Examples: Input: arr[] = [1, 4, 45, 6, 10, 8], t Detailed solution for 4 Sum | Find Quads that add up to a target value - Problem Statement: Given an array of N integers, your task is to find unique quads that add up to give a target value. Let's see code, 16. It's better we should go for kSum solution. Mar 15, 2020 · welcome to my blog LeetCode Top Interview Questions 16. Can you solve this real interview question? 3Sum Closest - Level up your coding skills and quickly land a job. Return the indices of the two numbers, index1 Can you solve this real interview question? K Closest Points to Origin - Given an array of points where points[i] = [xi, yi] represents a point on the X-Y plane and an integer k, return the k closest points to the origin (0, 0). Problem Name : 3Sum ClosestLeetcode Link : https://leetcode. Hashing Problems - Part 2. I like to see every task in your day to day life as an interesting problem to solve, and if you can understand the Oct 9, 2025 · The idea is to find the pair whose sum is closest to zero by sorting the array and using binary search for efficient lookup. In-depth solution and explanation for LeetCode 16. My solution to Leetcode Problems. This approach utilizes a combination of sorting, iteration, and binary search to efficiently determine the closest sum. 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 Can you solve this real interview question? 3Sum Closest - Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. Jul 23, 2025 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. Nov 11, 2020 · Hello fellow devs 👋! Let’s look at a problem which is an extension of the last problem 3 Sum we solved. ly/3PfXZgWmore Dec 23, 2022 · 3Sum Closest. My solutions of of problems by Leetcode ⎝ ( u )⎠. 3SUM problem (finding triplets) in better than O (n^2) Asked 13 years, 7 months ago Modified 2 years, 9 months ago Viewed 6k times Aug 24, 2019 · This looks like the standard approach to solving 3SUM in quadratic time. Return the Similar Questions 3Sum 4Sum Two Sum II - Input Array Is Sorted Two Sum III - Data structure design Folders and files Repository files navigation 16. Mar 10, 2025 · LeetCode Q:16 ( Three Sum Closest {3Sum Closest} ) | JAVA Explained Exponentech 12. Return the sum of the three integers… The Best Place To Learn Anything Coding Related - https://bit. 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 Meendum Meenduma 🤣 | 3sum closest leetcode | leetcode tamil | coding interview tamil Algo Tamizha 22. Let these two numbers be numbers[index1] and numbers[index2] where 1 <= index1 < index2 <= numbers. Want to study for Tech Placements/Internships from us :O 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. I want to share with you my knowledge, that I have gained all my life. 3Sum Closest. #Day8 of #120DaysOfProblemSolving Challenge 🚀 Today I worked on LeetCode 16 – 3Sum Closest A problem that helped me understand how small modifications in a known approach can solve a The 3Sum Closest problem shares similarities with the well-known 3Sum problem frequently encountered in interviews. LeetCode Problem 16, titled "3Sum Closest," challenges you to find three integers in an array such that the sum is closest to a given target number. io/ - A better way to prepare for Coding Interviews🧑💼 LinkedIn: https://www. com/problems/3sum-cl Nov 8, 2023 · 16. Return true if such a triplet exists, otherwise, return false.
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