Maximum rating sum solution java. java Cannot retrieve latest commit at this time.
Maximum rating sum solution java Product's Worth Over Invoices 1678. com - alvesmog/hackerRank-solutions Master Kadane's algorithm to solve the maximum subarray problem in O(n) time. Maximum Sum Circular Subarray in Python, Java, C++ and more. java 12_Max Circular Subarray Sum. - kilian-hu/hackerrank-solutions Oct 9, 2021 路 Solving the maximum subarray sum: A super-simplified explanation Python and javascript implementations for algorithms The Problem Statement You have an array of n numbers. Note Common sorting algorithms have an average time complexity of O (n log n) or O (n^2) in worst-case scenarios, it's generally more efficient to directly find the minimum and maximum values. Return the maximum performance of this team. My Approach. Mar 12, 2021 路 Now the question become maximum subarray sum, but we have to find the maximum square of the sum, which will get either by maximum subarray sum or negative sum with (Max absolute value) For maximum subarray sum use kadane For negative sum with Max absolute value first multiple all elements with -1 and apply kadane again Here is your polished Day 106–style LinkedIn post, matching your earlier format exactly — clean, structured, and engaging 馃殌馃憞 馃殌 DSA Challenge – Day 106 Problem: Maximum Sum BST in a 馃搶 Problem Statement You are given an array of positive integers nums. The minimum sum is 1 + 3 + 5 + 7 = 16 and the Now, we can face with the other - more difficult - task: the maximum sum of any nonempty subarray. Let’s go step by step 馃憞 Jul 31, 2024 路 In this HackerRank Sum of the Maximums problem, we have given an array of n integers. Questi A collection of solutions to competitive programming exercises on HackerRank. Sep 14, 2025 路 If we analyze the solution, we can see that the maximum sum until any index i can be found by knowing the maximum sum of the previous index i-1 and index i-2. Jul 22, 2025 路 Let's assume that the input array has only positive elements. My solutions are written in Kotlin. It is possible that the maximum sum is , the case when all elements are negative. Define two-variable currSum which stores maximum sum ending here and maxSum which stores maximum sum so Jan 14, 2021 路 Example arr = [1,3,5,7,9] The minimum sum is 1+3+5+7=16 and the maximum sum is 3+5+7+9=24. Then print the respective minimum and maximum values as a single line of two space-separated long integers. Mar 26, 2024 路 The Min / Max / Sum Methods are available on sequences containing numerical values. Maximum Beauty of an Array After Applying Operation in Python, Java, C++ and more. Goal Parser Interpretation 1679. Example 1: Input: nums = [-2,1,-3,4,-1,2,1,-5,4] Output: 6 Explanation: The subarray [4,-1,2,1] has the largest sum 6. miniMaxSum has the following parameter (s): arr: an array of 5 integers Print Print two space-separated integers on one line: the minimum sum and the maximum sum of of elements. In this video, we solve the Maximum Ascending Subarray Sum problem from LeetCode using an efficient single-pass approach in Java. It doesn't work for arrays like {0, 0, -20, 0}, {0, 0, 0}. Example: Input: arr[] = {1, 12, -5, -6, 50, 3}, k = 4 Output: Maximum average subarray of length 4 begins at index 1. Output Format: Return an integer Jan 22, 2016 路 -10 4 <= nums[i] <= 10 4 Follow up: If you have figured out the O(n) solution, try coding another solution using the divide and conquer approach, which is more subtle. Complete guide with Python, Java, and C++ implementations. Today’s problem is a treat—literally! We’re going to solve the “Candy” problem. We would like to show you a description here but the site won’t allow us. 馃敟 Hey everyone, I’m Raj (Striver), a Software Engineer and an educator. Max Pair Sum in an Array, with a Time Complexity of O (n2 Can you solve this real interview question? Maximum Ascending Subarray Sum - Given an array of positive integers nums, return the maximum possible sum of an strictly increasing subarray in nums. You are given a positive integer array skill of even length n where skill[i] denotes the skill of the i th player. The beauty of the array is the length of the longest subsequence consisting of equal elements. Example 3: Input: nums = [5,4,-1 Jan 27, 2022 路 The problem is that five positive integers are given what we need to do is find the minimum and maximum sum of 4 numbers out of these 5 numbers. This video has the Problem Statement, Solution Walk-through, Code and for 1679. A naive approach would be to calculate the sum for each possible subarray of length k starting from every position, but this would involve redundant The Maximum Subarray problem is a classic algorithm problem that seeks to find the contiguous subarray within a one-dimensional array of numbers which has the largest sum. The outer loop picks starting point, and the inner loop goes to length 'k' from the SPOJ Solution-Maximum Sum-Solution in C, C++, Java, PythonYou are given a sequence A [1], A [2], , A [N] ( 0 ≤ A [i] ≤ 10^8 , 2 ≤ N ≤ 10^5 ). java Jan 22, 2016 路 -10 4 <= nums[i] <= 10 4 Follow up: If you have figured out the O(n) solution, try coding another solution using the divide and conquer approach, which is more subtle. The chemistry of a team is equal to the product of the skills of the players on that team. HackerRank solutions in Java/JS/Python/C++/C#. Sep 15, 2025 路 Maximum subarray problem: Given an integer array, find a contiguous subarray within it that has the largest sum using Kadane’s algorithm. hourglassSum has the following parameter (s): int arr [6] [6]: an array of integers Returns int: the maximum hourglass sum Input Format Each of the lines of inputs contains space-separated integers . Your score is the sum of the points of the master Solution. Running Time: O(N)Space Complexity: O(N) or O(1)The description reads:"Given an array of integers, find the subset of non-adjacent elements with the maximum master Solution. Kadane 1D algorithm finds the maximum sum subarray in an array of integers. 1 day ago 路 Leetcode 1262 - maximum sum divisible by 3. . In this blog post, we’ll dive into the details of Kadane’s Algorithm, understand how it works, and implement it in Java. Divide the players into n / 2 teams of size 2 such that the total skill of each team is equal. It is adapted from a solution given in Python and works in a single pass. Example 1: Input: nums = [10,20,30,5,10,50] Output: 65 Explanation: [5,10,50] is the ascending subarray with the maximum sum of 65 We traverse accounts and find the maximum sum of each row. Note For some languages, like C, C++, and Java, the sums may require that you use a long integer due to their size. I’ll just show how to implement the maximumSum function; for the main function, see the template that HackerRank provides. In the first case: The maximum sum for both types of subsequences is just the sum of all the elements since they are all positive. May 15, 2024 路 Understand Kadane's Algorithm for finding the largest sum of a contiguous subarray. At any time, if we find a subarray whose sum is greater than the maximum sum so far, then we will update the starting and ending point of the maximum sum subarray. - Souvik93/HackerRank-Problem-Solvings Dec 7, 2019 路 There is a task on codewars that asks to do the following: The maximum sum subarray problem consists in finding the maximum sum of a contiguous subsequence in an array or list of integers. This repository contains few solution of hacker rank problem solving questions in Java. Learn its application, complexity analysis, coding best practices, and see code examples in Python and Java. Since the answer can be a huge number, return it modulo 109 + 7. Mar 11, 2018 路 Our goal in this problem is finding indices of two numbers in given array and their sum should be the target number. Max Number of K-Sum Pairs [2 Methods], with a Time Complexity of O(n) and O(n Jun 9, 2025 路 馃殌 Introduction Binary Trees are one of the most fascinating and frequently asked data structures in technical interviews. java Cannot retrieve latest commit at this time. n). This can also solve the problem Total running time is O (nlogn)+O (n^2) => O (n^2) Space is O (n) + O (n^2) => O (n^2 Dec 7, 2019 路 There is a task on codewars that asks to do the following: The maximum sum subarray problem consists in finding the maximum sum of a contiguous subsequence in an array or list of integers. Your task is to distribute candies to these kids following two simple rules: Given an array of integers, find the subset of non-adjacent elements with the maximum sum. Understanding this problem is crucial for those wanting to develop their skills in algorithm design and optimization in Java, given its applications in various domains such as finance, data analysis, and software engineering Oct 12, 2020 路 Watch out for overflow! HackerRank Algorithm: Warmup - Mini-Max Sum (Java) ----------------------------------more Maximum Subarray Leetcode Solution - Find the contiguous subarray (containing at least one number) which has the largest sum. Jul 12, 2025 路 Given an array A of size N, the task is to find the maximum score possible of this array. In one operation, you can do the following: Choose an index i that hasn't been chosen before from the range [0, nums. Example The following subsets with more than element exist. No value should be returned. java 08_Stock Buy and Sell – Max one Transaction Allowed. Max Number of K-Sum Pairs in Python, Java, C++ and more. Choose the most optimal approach for time and space complexity. Return the sum of the chemistry of all the teams, or return -1 if there is no way to divide the Jul 23, 2025 路 Efficient Solution: The following solution assumes that the given input array always has a positive output. Dec 13, 2017 路 Given an array, find the longest continuous sub-array which has maximum sum. , the sub array [12, -5, -6, 50]) which has the max average 12. java 13_Smallest Positive Missing Number. Let's see the code, 124. Imagine you have a bunch of kids lined up, each with a rating assigned to them. It explains the problem of finding the minimum and maximum sums of exactly 4 integers out of 5 given integers. The answer solves the same problem in O (n) where subsequence's length must be in a given range. Your task is to find the maximum score you can get by erasing a subarray that contains only unique elements. Shiva Sai 305 subscribers 10 Learn "Maximum Sum Subarray Of Length K in Java" with our free interactive tutorial. A collection of algorithmic problem solutions from platforms like LeetCode, InterviewBit, ACM, and ACMP. Its difficulty rating is 'Easy', and I'll be solving it in JavaScript. Jul 5, 2024 路 When it comes to finding the maximum sum of a contiguous subarray in an array of integers, Kadane’s Algorithm stands out as a highly efficient solution. Naive Approach: The simplest approach to solve this problem is to generate all possible non-empty subsequences of the array and calculate the sum of each subsequence of the array. Mar 23, 2022 路 Here is a modified version of to find the largest sum of contiguous elements in a list. Code solutions are given in Python, Java, C++, C, and JavaScript that take in the integers, sort them, calculate the minimum and maximum sums by iterating through combinations of Jun 15, 2022 路 Efficient Approach: Kadane’s Algorithm Kadane’s Algorithm is an iterative dynamic programming algorithm. Can you solve this real interview question? Maximum Subarray - Given an integer array nums, find the subarray with the largest sum, and return its sum. GitHub Gist: instantly share code, notes, and snippets. The Geek Hub for Discussions, Learning, and Networking. Then, we can simply iterate from left to right keeping track of the maximum running product ending at any index. Aug 19, 2025 路 The outer loop will mark the starting point of a subarray and inner loop will mark the ending point of the subarray. The first solution that comes to mind is to check all numbers and find Largest collection of java problems, exercises and solutions online! More than 800+ posts! Search now! Solution 1: Dynamic Programming + Bit Manipulation We define f [ i ] [ j ] as whether it is possible to obtain a total reward of j using the first i reward values. The function prints 16 24 Function Description Complete the miniMaxSum function in the editor below. Example 3: Input: nums = [5,4,-1 In this repo i share the solution of problems in hackerrank - Mohammed-Benotmane/Hackerrank-Solution In this video, V Sriram has explained the optimized approach for solving the question #MaximumSubarraySum from #Hackerrank in O(nlogn) time complexity. U i x, 1 ≤ i ≤ N, and x, 0 ≤ x ≤ 10^8. One of which we’ll design with O (n) time and space complexity. Dec 10, 2019 路 Note that if this was in an interview, the interviewer would ask "what if there were a thousand numbers, and you are to pick the 4 that adds to the min and max"? I'm surprised hackerrank didn't throw that wrinkle into the question, as your solution with only 5 elements would probably time out. Solutions Solution 1: Dynamic Programming We define f [i] to represent the maximum sum of the continuous subarray ending with the element n u m s [i]. For every iteration: If In-depth solution and explanation for LeetCode 124. A free collection of curated, high-quality competitive programming resources to take you from USACO Bronze to USACO Platinum and beyond. From there we need to iterate over the remain values, and calulate their max possible sum (Hint A repository of Java solutions to HackerRank challenges, showcasing my approach to solving algorithmic and data structure problems. Please leave any Aug 3, 2020 路 In this blog we are going to discuss the problem of finding the maximum contiguous sum of elements in an array. 75, so we return 12. - Souvik93/HackerRank-Problem-Solvings In-depth solution and explanation for LeetCode 2779. Function Description Complete the function hourglassSum in the editor below. Binary Tree Maximum Path Sum problem of Leetcode. This algorithm runs in linear time, making it a powerful tool for solving this problem. Replace nums[i] with any integer from the range [nums[i] - k, nums[i] + k]. Binary Tree Maximum Path Sum is a Leetcode hard level problem. Jul 23, 2025 路 Given an array with positive and negative numbers, find the maximum average subarray of the given length. java 09_Minimize the Heights II. I have started this channel to contribute programming experience There is a solution like, first sort the array in to some auxiliary memory, then apply Longest Common Sub-Sequence method to the original array and the sorted array, with sum (not the length) of common sub-sequence in the 2 arrays as the entry into the table (Memoization). Intuitions, example walk through, and complexity analysis. Binary Tree Maximum Path Sum - Leetcode Solution. In this post, we’ll: Break down the problem statement Understand the intuitive approach Deep dive into the Java solution Walk 1676. The normal sum can be efficiently calculated using Kadane's algorithm. Maximum Matrix Sum | Leetcode Biweekly Contest 59 | Solution with Explanation Leetcode all problems list, with company tags and solutions. length - 1]. Given an element array of integers, , and an integer, , determine the maximum value of the sum of any of its subarrays modulo . Mini-Max Sum Problem in Java | Hacker Rank Interview Preparation | One Month Preparation Kit. The problem at hand is simple. Maximum Sum of an Hourglass in Python, Java, C++ and more. Also see : Range Query With Update Required Examples: Input : arr[] = {1, 3, -4, 5, -2} Query 1: start = 0, end = 4 Query 2: start = 0, end = 2 Output : 5 4 Explanation: For Query 1, [1, 3, -4, 5] or ( [5 The document provides solutions to the HackerRank Mini-Max Sum problem in multiple programming languages. These exclude the empty subset and single element subsets which are also valid. - challenges/HackerRank/Problem Solving/Algorithms/Dynamic Programming/The Maximum Subarray/Solution. In the second case: The subarray is the subarray with the maximum sum, and is the subsequence with the maximum sum. Example 2: Input: nums = [1] Output: 1 Explanation: The subarray [1] has the largest sum 1. DP is a powerful paradigm for solving optimization problems by breaking them down into smaller subproblems and reusing their In-depth solution and explanation for LeetCode 437. java 10_Kadane's Algorithm maximum sum of a subarray. Return the maximum subarray sum of all the subarrays that meet the conditions. The outer loop will mark the starting point of a subarray and inner loop will mark the ending point of the subarray. Feb 14, 2023 路 Explore and compare three solutions to the Two Sum Problem on LeetCode using Java. The score of an array is calculated by performing the following operations on the array N times: If the operation is odd-numbered, the score is incremented by the sum of all elements of the current array. There are two types of operations and they are defined as follows: Update: This will be indicated in the input by a 'U' followed by space and then two integers i and x. Sep 1, 2024 路 This challenge demands that we determine the minimum and maximum sums that can be calculated by adding exactly four of five numbers. Initially, f [0] = n u m s [0]. Input Format: The first and the only argument contains an integer array, A. It is similar to Largest Sum Contiguous Subarray problem. It first calculates the maximum sum of a subarray using Kadane's algorithm. If the Sync to video time Description 1975. If the operation is even-numbered, the score is decremented by the sum of all elements of the current May 12, 2025 路 Java programming exercises and solution: Write a Java program to find a contiguous subarray with the largest sum from a given array of integers. Running Time: O(N)Space Complexity: O(N) or O(1)The description reads:"Given an array of integers, find the subset of non-adjacent elements with the maximum In-depth solution and explanation for LeetCode 2428. You have to take exactly k cards. The problem arises when we encounter zero or a negative element. java 11_Maximum Product Subarray. My Java 8 solution, passing all test-cases, for Max Score of 60 The idea is to do a "continuous trailing prefix modulo sum" as we iterate through the array, while comparing that with the maxModSum that we have seen so far & updating that as required. The solution can be easily modified to handle this case. The solution works for all cases mentioned above. Therefore, the required output is 13. Find the maximum subarray sum of all the subarrays of nums that meet the following conditions: The length of the subarray is k, and All the elements of the subarray are distinct. Similarly, for the input [4, 2, 3, 5, 1, 2] and k=3, the maximum sum is 10 from the subarray [2, 3, 5]. If no subarray meets the conditions, return 0. Jul 23, 2025 路 Input: arr [] = {1, 4, 3, 3, 5, 1} Output: 1 Explanation: The pair 4, 5 yields the maximum sum i. Kadane 2D algorithm finds the maximum sum subarray in a 2D array of integers. This operation sets the Maximum Contiguous Subarray Sum solution in Java This problem can be solved using Kadane’s algorithm in O(n) time complexity. Below, I briefly discuss an inefficient brute force solution, then explain the more efficient approach. Mar 12, 2021 路 Now the question become maximum subarray sum, but we have to find the maximum square of the sum, which will get either by maximum subarray sum or negative sum with (Max absolute value) For maximum subarray sum use kadane For negative sum with Max absolute value first multiple all elements with -1 and apply kadane again Maximum Sum Submatrix II - Java Solution and Time Complexity Analysis Given a m x n grid filled with integers, find the submatrix with maximum sum among all submatrices. A quadratic solution exists: we run two loops. Jul 22, 2025 路 The idea is to run two nested loops to iterate over all possible subarrays and find the maximum sum. Jun 28, 2019 路 The “Maximum Subarray Sum” problem on HackerRank is challenging, but has an elegant solution. A repository of Java solutions to HackerRank challenges, showcasing my approach to solving algorithmic and data structure problems. You are given a 0-indexed array nums and a non-negative integer k. Binary Tree Maximum Path Sum in Python, Java, C++ and more. By considering every node as a possible highest point and updating the maximum with left + node + right, we guarantee that the best path is captured. The sum of an array is the sum of its elements. e, 9 which is given by 1 pair only Java program for Number of pairs with maximum sum using Naive Approach: Traverse a loop i from 0 to n, i. This problem 124. If the Leetcode all problems list, with company tags and solutions. Since duplicates shouldn't be counted and negatives should be ignored, we’ll sort the array and iterate from largest to smallest, summing only uniqu SDE 2 @Amazon and this channel is all about Competitive Programming, Data Structures & Algorithms, Tech Interviews, System Design. In-depth solution and explanation for LeetCode 1679. Solution 1: Dynamic Programming + Bit Manipulation We define f [ i ] [ j ] as whether it is possible to obtain a total reward of j using the first i reward values. A subarray is defined as a contiguous sequence of numbers in an array. Aug 31, 2020 路 In this quick walkthrough, I'll explain how to approach and solve the Mini-Max Sum HackerRank problem. Jan 8, 2024 路 In this tutorial, we’ll take a look at two solutions for finding the maximum subarray in an array. and we need to calculate the sum of the maximum values for all subsegments of the array. Example 1: Input: nums = [10,20,30,5,10,50] Output: 65 Explanation: [5,10,50] is the ascending subarray with the maximum sum of 65 You are given an integer array nums and an integer k. Learn how to solve the dynamic programming maximum subarray problem using a variety of algorithms, including Kadane's algorithm and the recursive approach. Can you solve this real interview question? Maximum Ascending Subarray Sum - Given an array of positive integers nums, return the maximum possible sum of an strictly increasing subarray in nums. net, and today I am building Mar 26, 2024 路 We will solve the leetcode problem to find the Minimum Path Sum using recursion and dynamic programming. Sep 21, 2021 路 Problem: Given five positive integers, find the minimum and maximum values that can be calculated by summing exactly four of the five integers. Here is how maxEndingHere is calculated: Initialize maxEndingHere to nums[0] Iterate through the array (1. We need to figure out the max values for the first 2 positions manually. Then it calculates the maximum sum of a wrapped subarray by subtracting the minimum sum of a subarray from the total sum of the array. Before updating an AS Java-based SAP system using SUM, you should consider the following steps: Consider updating the database software to the most current patch level - ESPECIALLY, when you installed your SAP system using rather old RDBMS media and did not update the database software since then. Better than official and forum solutions. Find the maximum contiguous subarray sum. java HackerRank / Contests / Project Euler / 18 - Maximum Path Sum I / Solution. java HackerRank_solutions / General Programming / Basic Programming / Mini-Max Sum / Solution. The maximum product would be the product ending at the last index. Among them, LeetCode Problem 124: Binary Tree Maximum Path Sum is a beautiful combination of recursion, tree traversal, and optimization. Contribute to RyanFehr/HackerRank development by creating an account on GitHub. Lowest Common Ancestor of a Binary Tree IV 1677. This repository contains my solutions to the problems proposed at HackerRank. Now, that was a mouthful ! Don’t worry, we will break this problem up step by s… Intuition The key insight is that to find the maximum average of a subarray of length k, we need to find the subarray with the maximum sum (since all subarrays have the same length k, the one with maximum sum will have maximum average). cpp at master · ns-vasilev/challenges 馃 IntuitionWe want to compute the maximum sum of all distinct positive numbers from an integer array. 75 Note that we do not consider the subarrays of length < 4. 07_Stock-Buy-and-Sell. May 15, 2016 路 Solution of Hackerrank The Maximum Subarray challenge in Java, JavaScript, Scala, Ruby with explanation. The points are given in the integer array cardPoints. Jul 23, 2025 路 Approach: In this method, modify Kadane's algorithm to find a minimum contiguous subarray sum and the maximum contiguous subarray sum, then check for the maximum value between the max_value and the value left after subtracting min_value from the total sum. Path Sum III in Python, Java, C++ and more. In this post, we are going to solve the 124. For this problem, just set the range to [0, k]. We maintain a prefixSumTreeSet to keep track of all the distinct prefixSums we have seen so far. Print two space-separated integers on one line: the minimum sum and the maximum sum of of elements. Return the maximum possible Jul 22, 2025 路 In a circular array, the maximum subarray sum can be either the maximum normal sum, which is the highest sum of a non-circular array, or the maximum circular sum, which includes elements from both the start and the end of the array. Choose at most k different engineers out of the n engineers to form a team with the maximum performance. If you just want hints, without In-depth solution and explanation for LeetCode 1679. Each solution is written in clean, efficient Java code, with explanations and test cases, highlighting my journey in mastering problem-solving and coding skills. Read the relevant SUM Jul 23, 2025 路 Sliding Window Cost Movie Festival II Maximum Subarray Sum II Dynamic Programming based CSES Problem Set Solutions: This section focuses on problems that can be efficiently solved using dynamic programming techniques. First, I solved this problem using dynamic programming which effectively solved the problem in \$O (n)\$ time as opposed to the brute force approach. Jul 23, 2025 路 Sum of the subsequence { arr [1], arr [3] } is equal to 13, which is the maximum possible sum of any subsequence of the array. Maximum average is (12 - 5 - 6 + 50)/4 = 51/4 A Simple Solution is to run two loops. Max Number of K-Sum Pairs README. etc. The performance of a team is the sum of its engineers' speeds multiplied by the minimum efficiency among its engineers. Apr 1, 2019 路 For those who are seeking an answer in O (n), you can easily adapt the answer to this question over at CS StackExchange. This comprehensive guide will cover the basics of the maximum subarray problem, as well as provide you with the code you need to implement different algorithms. K-Concatenation Maximum Sum in Python, Java, C++ and more. The max position for the first value can only be the first value (since the problem specifies it must be a subset of the array) The max position for the second value can only be either the current value or the previous value. This video has the Problem Statement, Solution Walk-through and Code for the Leetcode Question 2815. Calculate the sum of that subset. Contribute to eMahtab/maximum-subarray-sum development by creating an account on GitHub. It calculates the maximum sum subarray ending at a particular position by using the maximum sum subarray ending at the previous position. Master this essential concept with step-by-step examples and practice exercises. Alle. In the last 5 years, I have had the privilege of working at Google, Amazon, and Media. The outer loop picks the beginning element, the inner loop finds the maximum possible sum with first element picked by outer loop and compares this maximum with the overall maximum. 馃捇 This problem requires fi The solution uses Kadane's algorithm to find the maximum sum of a subarray. Can you solve this real interview question? Maximum Points You Can Obtain from Cards - There are several cards arranged in a row, and each card has an associated number of points. In one step, you can take one card from the beginning or from the end of the row. master Solution. At any index i after calculating the maximum sum for i, nums [i] will now store the maximum possible sum that can be obtained from a subsequence ending at i. e length of the array and another loop j from i+1 to n to find all possible pairs with i<j. In this video I have discussed Maximum Subarray Sum from search section in the hackerrank interview preparation kit If you are someone who is trying to solve 馃摋 Solutions of more than 380 problems of Hackerrank accross several domains. Jul 12, 2025 路 Output: -1 Input: nums = [10, -2, -10, -5, 20], K = 2 Output: 23 Approach: The optimal solution of this problem can be achieved by using the Sliding Window Maximum and Dynamic Programming . The maximum average is when we choose a subarray of length 4 (i. Example - The minimum sum is 1 + 3 + 5 + 7 = 16 and the maximum sum is 3 + 5 + 7 + 9 = 24. Follow the below steps to solve the problem. The time complexity is O ( m × n ) , where m and n are the number of rows and columns in the grid, respectively. The algorithm iterates over all the elements of the array (nums) and computes the maximum sum ending at every index (maxEndingHere). Find the contiguous subarray within an array, A of length N which has the largest sum. Instead of storing the complete array, we can maintain two variables that store the maximum sum until the previous index and before the previous index. Written by top USACO Finalists, these tutorials will guide you through your competitive programming journey. Sep 13, 2023 路 Leetcode 135 Candy (Hard) Solution:Hey there, coding enthusiasts! Welcome back to another exciting coding session. In-depth solution and explanation for LeetCode 1191. In-depth solution and explanation for LeetCode 918. Kadane’s Algorithm and Its Proof - Max/Min Sum Subarray Problem In this article, you will get the optimum solution to the maximum/minimum sum subarray problem: The Kadane’s Algorithm. The findMaxSumSubarray method implements the sliding window technique to find the subarray of size k with the maximum sum. For example, for the input array [3, 5, 2, 1, 7] and k=2, it calculates the maximum sum as 8 from the subarray [1, 7]. java hackerrank / Algorithms / Dynamic Programming / Medium / Max-Subarray / Solution. Check free space within the database data volumes and on file system level. md Jul 11, 2025 路 Given an array of n numbers, the task is to answer the following queries: maximumSubarraySum(start, end) : Find the maximum subarray sum in the range from array index 'start' to 'end'. Let's break down the problem and explore how to solve it Maximum Subarray Sum problem and solutions in Java and Python The Maximum Subarray Sum problem is a classic problem and the foundation of Kadane’s Algorithm. e. A subarray is a contiguous non-empty Oct 7, 2025 路 Any maximum path in a binary tree must pass through some "highest" node (its root in that path). zvxg qyl fodndi wel ukedmr qxhd qlmtl lcwotj ulwei nnwbayu juka kdtw bfmrk jueas rotd