Closest To Target Leetcode. You are also given some queries. Constraints: 3 ≤ nums Mar 30,
You are also given some queries. Constraints: 3 ≤ nums Mar 30, 2018 路 3Sum Closest is a follow-up question for two sum. The returned list must be sorted in Can you solve this real interview question? Closest Nodes Queries in a Binary Search Tree - You are given the root of a binary search tree and an array queries of size n consisting of positive integers. This is definitely a bit of a tricky problem but I hope that the explanation is intuitive enough Aug 13, 2025 路 Given an array arr [] of n integers and an integer target, find a pair of elements from the array such that the sum of the pair is closest to the given target. Example 1: Input: colors = [1,1,2,1,3,2,2,3,3], queries = [[1,3],[2,2],[6,1]] Output: [3,0,3] Explanation: The nearest 3 from Find K Closest Elements - Given a sorted integer array arr, two integers k and x, return the k closest integers to x in the array. * z is the position of Person 3, who does not move. You may return the combinations in any order. , √(x1 - x2)2 + (y1 - y2)2). Can you solve this real interview question? Find Target Indices After Sorting Array - You are given a 0-indexed integer array nums and a target element target. Can you solve this real interview question? Find Smallest Letter Greater Than Target - You are given an array of characters letters that is sorted in non-decreasing order, and a character target. First, we can sort the array into ascending order. You want to build an expression out of nums by adding one of the symbols '+' and '-' before each integer in nums and then concatenate all the integers. Your mission? Find three numbers in the list whose sum is as close as possible to that target. Can you solve this real interview question? Maximize Distance to Closest Person - You are given an array representing a row of seats where seats[i] = 1 represents a person sitting in the ith seat, and seats[i] = 0 represents that the ith seat is empty (0-indexed). You must write an algorithm with O (log n) runtime complexity. Can you solve this real interview question? Shortest Distance to Target Color - Level up your coding skills and quickly land a job. Shortest Distance to Target Color Time: O (n) O(n) Space: C++ Java Python The "3Sum Closest" problem asks you to find a triplet in an array of integers such that the sum of the three numbers is closest to a given target value. * Both num1 and num2 are prime numbers. The closest sum could be the target itself or a number close to the target. Can you solve this real interview question? Count Pairs Whose Sum is Less than Target - Given a 0-indexed integer array nums of length n and an integer target, return the number of pairs (i, j) where 0 <= i < j < n and nums [i] + nums [j] < target. This is the essence of LeetCode 16: 3Sum Closest, a medium-level problem that’s a twist on the classic 3Sum challenge. It is guaranteed that target exists in nums. Example 1: Input: nums = [1, 2, 3, 4, 5], tar Jul 29, 2024 路 Master Data Structures & Algorithms for FREE at https://AlgoMap. For 3Sum Closest, we are going to find the closest sum to the target. This problem is a variation of the classic 3Sum problem and is frequently encountered in technical interviews because it tests your ability to combine sorting and two-pointer techniques to Description Given an integer array nums of size n, return the number with the value closest to 0 in nums. Follow our clear and concise explanation to understand the Nov 11, 2020 路 Hello fellow devs 馃憢! Let’s look at a problem which is an extension of the last problem 3 Sum we solved. The answer is Can you solve this real interview question? Closest Subsequence Sum - You are given an integer array nums and an integer goal. Can you solve this real interview question? Search Insert Position - Given a sorted array of distinct integers and a target value, return the index if the target is found. Example 1 Jul 22, 2025 路 The 3Sum Closest problem takes a list of numbers and asks you to find a group of three that adds up as close as possible to a target value. Return the minimum possible value of Can you solve this real interview question? Find Closest Person - You are given three integers x, y, and z, representing the positions of three people on a number line: * x is the position of Person 1. O (nlog (n)+n²) : In the solution above, sorting the 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. You want to choose a subsequence of nums such that the sum of its elements is the closest possible to goal. Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Two combinations are unique if the Can you solve this real interview question? Closest Prime Numbers in Range - Given two positive integers left and right, find the two integers num1 and num2 such that: * left <= num1 < num2 <= right . There is at least one empty seat, and at least one person sitting. There are at least two different characters in letters. If there are multiple answers, return the number with the largest value. It’s all about Find the solution of Find a Value of a Mysterious Function Closest to Target Leetcode question with step by step explanation in 3 approaches and 3 solutions in languages like Java, CPP, Python. Determine which person reaches Person 3 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. * y is the position of Person 2. , there is a directed edge from node i to node graph[i][j]). The graph is represented with a given 0-indexed array edges of size n, indicating that there is a directed edge from node i to node edges [i]. You are given an array colors, in which there are three colors: 1, 2 and 3. That is, if the sum of the subsequence's elements is sum, then you want to minimize the absolute difference abs(sum - goal). 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. Note: Return the pair in sorted order and if there are multiple such pairs return the pair with maximum absolute difference. Alex wants to sit in the seat such that the distance between him Array Binary Search Dynamic Programming 1182. Find K Closest Elements - Given a sorted integer array arr, two integers k and x, return the k closest integers to x in the array. Return the smallest character in letters that is lexicographically greater than target. Can you solve this real interview question? Combination Sum - Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. Nov 30, 2023 路 Question:- 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 return the answer in any order. Note: Given target value is a floating point. Can you solve this real interview question? Minimum Distance to the Target Element - Given an integer array nums (0-indexed) and two integers target and start, find an index i such that nums[i] == target and abs(i - start) is minimized. Adjust the pointers based on the sum's proximity to the target. Intuitions, example walk through, and complexity analysis. Given the array edges where edges[i] = [fromi, toi, weighti] represents a bidirectional and weighted edge between cities fromi and toi, and given the integer distanceThreshold. Feb 21, 2019 路 Given an int array nums and an int target. Return the city with the smallest number of cities Can you solve this real interview question? Closest Subsequence Sum - You are given an integer array nums and an integer goal. Return the difference between the sum of the two integers and the target. 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). Both Person 1 and Person 2 move toward Person 3 at the same speed. In this problem, you must find three integers in an array that sum up to a specific target value, with the closest sum. The same number may be chosen from candidates an unlimited number of times. In case of a tie, return the minimum such Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. We would like to show you a description here but the site won’t allow us. com/problems/find-k-closest-elements - One of the toughest mediums I have faced so far. Return abs(i - start). * For example, if nums = [2, 1], you can add a '+' before 2 and a '-' before 1 and concatenate them to build the expression "+2 Given an array nums of n integers, find two integers in nums such that the sum is closest to a given number, target. 3 Sum Closest. If a such value does not exist, add -1 Oct 14, 2025 路 During inorder traversal, we maintain a deque of at most k values representing the current k closest nodes to the target. The first element of the deque is the oldest value among the k closest values seen so far. Return the sum of the three integers. If such a character does not exist, return the first Given an array nums of n integers, find two integers in nums such that the sum is closest to a given number, target. An O(NlogN) time and O(1) space solution to Leetcode #1300. Second, we declare an integer variable called closetSum. Level up your coding skills and quickly land a job. Can you solve this real interview question? Find the City With the Smallest Number of Neighbors at a Threshold Distance - There are n cities numbered from 0 to n-1. You may assume that each input would have exactly one solution. If there are no target indices, return an empty list. The question is: Given a non-empty binary search tree and a target value, find k values in the BST that are closest to the target. 3Sum Closest in Python, Java, C++ and more. This problem is a great exercise for beginners, as Given an array arr [] and a number target, find a pair of elements (a, b) in arr [], where a ≤ b whose sum is closest to target. Problem Statement Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. A target index is an index i such that nums[i] == target. Return the positive integer array ans = [num1, num2]. e. 馃敼 LeetCode Solutions in C++23, Java, Python, MySQL, and TypeScript. The graph is given as follows: graph[i] is a list of all nodes you can visit from node i (i. If not, return the index where it would be if it were inserted in order. Since inorder traversal processes nodes in sorted order, any new node we visit is larger than all previously visited nodes. Better than official and forum solutions. Return the minimum possible value of |func (arr, l, r) - target|. Can you solve this real interview question? Target Sum - You are given an integer array nums and an integer target. * num2 - num1 is the minimum amongst all other pairs satisfying the above conditions. Find Closest Number to Zero - Given an integer array nums of size n, return the number with the value closest to 0 in nums. Can you solve this real interview question? Find K Closest Elements - Given a sorted integer array arr, two integers k and x, return the k closest integers to x in the array. Return a list of the target indices of nums after sorting nums in non-decreasing order. In-depth solution and explanation for LeetCode 16. Find K Closest Elements - LeetCode Wiki Array Binary Search Heap (Priority Queue) Sliding Window Sorting Two Pointers. Example 1: Input: nums = [1,2,3,4,5], target Sep 3, 2025 路 Ready for a quick and easy coding challenge? In this video, we'll solve the "Find Closest Person" problem. Dec 23, 2022 路 3Sum Closest. Note: 658. 馃殌 Day 36 | LeetCode Problem #16 – 3Sum Closest | DSA Practice On Day 36 of my DSA journey, I solved LeetCode 16: 3Sum Closest using a sorted array + two-pointer technique in C++. You don’t have to hit the target exactly, but you want the total to land near it with the smallest difference you can get. Can you solve this real interview question? Sum of Mutated Array Closest to Target - Given an integer array arr and a target value target, return the integer value such that when we change all the integers larger than value in the given array to be equal to value, the sum of the array gets as close as possible (in absolute difference) to target. Find two integers in nums such that the sum is closest to target. If there is no solution return -1. Return the minimum possible value of Closest Binary Search Tree Value Leetcode Solution - Given root of BST and a target, return the value in BST that is closest to the target. If there are Find K Closest Elements - Which solution to go with in an interview? https://leetcode. This is the best place to expand your knowledge and get prepared for your next interview. Feb 4, 2025 路 Greedy Search for Closest Sum: For each element in the array, use two pointers (left and right) to find the closest sum to the target. Example 1: Input: nums = [1, 2, 3, 4, 5], tar Level up your coding skills and quickly land a job. 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. Can you solve this real interview question? All Paths From Source to Target - Given a directed acyclic graph (DAG) of n nodes labeled from 0 to n - 1, find all possible paths from node 0 to node n - 1 and return them in any order. Jun 12, 2016 路 3 I encountered the following leetcode question and I had a question about the approach some people used to solve it. LeetCode 16: 3Sum Closest Solution in Python – A Step-by-Step Guide Imagine you’re given a list of numbers—like [-1, 2, 1, -4] —and a target, say 1. That’s the final value we are going to 18/100 successful completed on 100days leetcode challenges Day 18 of #100DaysOfCvde - 3Sum Closest (LeetCode 18) Today I solved LeetCode Problem 18: 3Sum Closest, a Medium-level Array challenge Can you solve this real interview question? Sum of Mutated Array Closest to Target - Given an integer array arr and a target value target, return the integer value such that when we change all the integers larger than value in the given array to be equal to value, the sum of the array gets as close as possible (in absolute difference) to target. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. In case of a tie, return the minimum such He has an integer array arr and an integer target and he wants to find the values l and r that make the value |func (arr, l, r) - target| minimum possible. The distance between two points on the X-Y plane is the Euclidean distance (i. Note that abs(x) is the absolute value of x. io/Code solutions in Python, Java, C++ and JS for this can be found at my GitHub repo here: h 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 Closest Binary Search Tree Value Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Can you solve this real interview question? Find Closest Node to Given Two Nodes - You are given a directed graph of n nodes numbered from 0 to n - 1, where each node has at most one outgoing edge. Can you solve this real interview question? Closest Binary Search Tree Value - Level up your coding skills and quickly land a job. The result should also be sorted in ascending order. Find a 2D array answer of size n where answer[i] = [mini, maxi]: * mini is the largest value in the tree that is smaller than or equal to queries[i]. Each query consists of two integers i and c, return the shortest distance between the given index i and the target color c.