first = Integer. Input: nums = {10, 19, 6, 3, 5} Output: 2 Explanation: swap 10 with 3 and swap 19. Beginner's DSA Sheet; Love Babbar Sheet; Top 50 Array Problems; Top 50 String Problems; Top 50 DP Problems; Top 50 Graph Problems; Top 50 Tree Problems; Contests. Expected time complexity is O (n). Time Complexity: O (N), where N is length of array. Return the largest sum of the given array after partitioning. To compute sum of current window, remove first element of previous window and add. Calendar representation of data. Example 1: Input: N = 5 Arr[]. Solve one problem based on Data Structures and Algorithms every day and win exciting prizes. Recommended: Please solve it on “ PRACTICE ” first, before moving on to the solution. The idea is to find all subarrays and then find those subarrays whose any of the subarrays does not have a sum equal to zero. You have to find the K-th largest sum of contiguous subarray within the array elements. Tutorials. a strictly increasing subsequence. Given an unsorted array A of size N that contains only positive integers, find a continuous sub-array that adds to a given number S and return the left and right index(1-based indexing) of that subarray. Input: n = 7 k = 3 arr = [1,15,7,9,2,5,10] Output: 84 Explanation: arr becomes [15. Print a given matrix in spiral form using the simulation approach: To solve the problem follow the below idea: Draw the path that the spiral makes. For example, consider 6/14, we first find ceiling of 14/6, i. There is no subarray of size 3 as size of whole array is 2. The sum of nodes considering 2 as the root of subtree is 2 = 2. Practice this problem. Examples: Input : 7 / 12 2 / 11 13 5 / / 2 1 38 Output: 44 BST rooted under node 5 has the maximum sum 5 / 1 38 Input: 5 / 9 2 / 6 3 / 8 7 Output: 8 Here each leaf node represents a binary search tree. ( Cycle which has maximum sum weight ). A SumTree is a Binary Tree where the value of a node is equal to the sum of the nodes present in its left subtree and right subtree. Your task is to complete the function isCycle () which takes V denoting the number of vertices and adjacency list as input parameters and returns a boolean value denoting if the undirected graph contains any cycle or not, return 1 if a cycle is present else return 0. The value of every subarray is defined as: Take the maximum from that subarray. Practice. Length of Longest Subarray with same elements in atmost K increments. Suppose S = “zzwzawa” and K = 2. This is the best place to expand your knowledge and get prepared for your next interview. 2. all values are negative, then we return max_so_far. Find the Inversion Count in the array. Your Task: You don't need to read or print anything, Your task is to complete the function orangesRotting () which takes grid as input parameter and returns the minimum time to rot all the fresh oranges. Run a for loop from 0 to N-1 and for each index i: Add the arr [i] to max_ending_here. Solved the problem of finding the starting point of a cycle in Linked list; Day 78. After partitioning, each subarray has their values changed to become the maximum value of that subarray. Input : s = 20, d = 3 Output : 299. Level up your coding skills and quickly land a job. Return the sum of all subarray ranges of arr. It is done when a certain node creates an imbalance in the heap due to some operations on that node. Note: The cells are named with an integer value from 0 to N-1. First we store the prefix sum in a separate array so that any subarray sum can be calculated in constant time. If you like GeeksforGeeks and would like to contribute, you can also write an article using. Example 1: The above graph has two cycles of length 4 and 3, the product of cycle lengths is 12. Method 1 There can be two cases for the maximum sum: Case 1: The elements that contribute to the maximum sum are arranged such that no wrapping is there. No cycle is formed, include it. The task is to find subtree with maximum sum in the tree and return its sum. Example 1: Input: N = 8 K = 3 A [] = {8 5 9 10 5 6 19 8} Output: 38 Explanation: Possible increasing subsequence of length 3 with maximum possible sum is 9 10 19. . I try to upload the daily code which i practice daily and also upload GFG POTD (Java,Cpp,Python3) - GitHub - shibam120302/GFG_POTD: I try to upload the daily code which i practice daily and also upload GFG POTD (Java,Cpp,Python3). To find a subarray with median greater or equal to X at least half of the elements should be greater than or equal to X. Write a function that takes an array as an argument and returns the length of the longest bitonic subsequence. We take two pointers, one representing the first element and other representing the last element of the array, and then we add the values kept at both the pointers. You are given an array Edge [] of N integers, where Edge [i]The task is to find the largest sum of a cycle in the maze (Sum of a cycle is the sum of the cell indexes of all cells present in that cycle). After partitioning, each subarray has their values changed to become the maximum value of that subarray. Let A [] [] be the adjacency matrix representation of the graph. Find the maximum for each and every contiguous subarray of size K. Check for all the values in the array:- If min_so_far is equaled to sum, i. Find the missing element. Input : arr [] = [4, 3, 1, 5, 6] Output : 11 Subarrays with. The Sum of a cycle is the sum of node numbers of all nodes in that cycle. Each cell may have multiple entry points but not more than one exit (i. We know that the path should turn clockwise whenever it would go out of bounds or into a cell that was previously visited. The problem is to find the shortest distances between every pair of vertices in a given edge-weighted directed graph. Sub-array A is greater than sub-array B if sum (A) > sum (B). Initialize a variable, say res as 0 to store the maximum product of any two nodes of the connected components of the same weights. Explanation: Sum of both the pairs {7, 9} and {9, 8} are greater. The Karger’s algorithm would produce this Min-Cut if and only if none of the edges in set {e 1, e 2, e 3, . The task is to find the connected chain with the maximum sum of values among all the connected components in the graph. Level up your coding skills and quickly land a job. Step 1-> 12345 % 10 which is equal-too 5 + ( send 12345/10 to next step ) Step 2-> 1234 % 10. First of all consider every ‘0’ in the matrix as ‘-1’. Nodes are labeled from 0 to n-1, the task is to check if it contains a negative weight cycle or not. create an empty vector 'edge' of. 138 subscribers. The formula for the n th term of an A. Therefore, we can choose all the positive elements from the array, and each time we can make. Now let’s see how the two-pointer technique works. Cycles of length n in an undirected and connected graph. You don't need to read input or print anything. To add x to sum, -x can be subtracted from it because sum- (-x) = sum + x. Note: Here Size is equal to the number of nodes in the subtree. But they are adjacent pairs. Maximum path sum from top left to bottom right of a matrix passing through one of the given cells. Example 1: Input: n = 3, edges. Jobs. Solved 3 problems using two-pointers approach: Find triplets with 0 sum Level up your coding skills and quickly land a job. Therefore, sum is = 2 + 3 + 1 + 5 = 11. Global data. This is the best place to expand your knowledge and get prepared for your next interview. Connected Components for undirected graph using DFS: Finding connected components for an undirected graph is an easier task. The task is to check if the given linked list is palindrome or not. Do either BFS or DFS starting from every unvisited. Sum of a cycle is the sum of nodeSum of two large numbers | Practice | GeeksforGeeks. This is the highest possible sum. Method 1 (Simple DFS): We create undirected graph for given city map and do DFS from every city to find maximum length of cable. Ordered Set 57. Input: arr [] = {10, 12, 12, 10, 10, 11, 10}; Output: Length of the longest contiguous subarray is 2. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. K'th smallest element is 5. and there. Given an integer array arr, partition the array into (contiguous) subarrays of length at most k. 25 or 1. Steps that were to follow the above approach: Make a variable “ans” and initialize it with the maximum value. The Content of this Interview Experience is Removed. The task is to find the largest sum of a cycle in the maze (Sum of a cycle is the sum of the cell indexes of all cells present in that cycle). Example 1: Input: N = 5 Arr [] = {6, -3, -10, 0, 2} Output: 180 Explanation: Subarray with maximum product is [6, -3, -10] which gives product as 180. {2, 3}, max = 3 Example 2: Input : 4. e at currIndex = 4). Length of the longest common span with same sum is 6. In case of multiple subarrays, return the subarray indexes which come first on moving from left to right. Given a list of non negative integers, arrange them in such a manner that they form the largest number possible. A cycle is a path that starts and ends at the same node. Note: edges [i] is defined as u, v and weight. 1st cycle: 3 5 4 6. Largest Sum Cycle | Graphs | GFG POTD | Feb 02 Problem Link: Given an array arr [] of N elements and a number K. e entry/exit points are unidirectional doors like valves). Examples: Input : arr [] = {12, 1234, 45, 67, 1} Output : Sum = 1235 Product = 1234 Input : arr [] = {5, 3, 6, 8, 4, 1, 2, 9} Output : Sum = 10 Product = 9. From a given cell, we are allowed to move to cells (i+1, j) and (i, j+1) only. Follow the given steps to solve the problem: Let the array have R rows. Largest sum of digits in all Divisors. Relax all the edges (u,v,weight) N-1 times as per the below condition: dist [v] = minimum (dist [v], distance. So, this DSA sheet by Love Babbar contains 450 coding questions which will help in: Understanding each and every concept of DSA. ans = max (max_so_far, sum – min_so_far) = (12, 11 – (-11)) = 22. Function Description: The sum of the largest sum cycle in the maze. Given a weighted directed graph with n nodes and m edges. Sum of products of all combination taken (1 to n) at. Maximum sub-array is defined in terms of the sum of the elements in the sub-array. Convert all even weight edges into two. The element should occur more than once and the index of its first occurrence should be the smallest. Example 1: Input: N = 7, X = 2 Arr [] = {1, 1, 2, 2, 2, 2, 3} Output: 4 Explanation: 2 occurs 4 times in the given array. This is O (N) runtime: each edge (of which there's at most N) is followed at most 3 times in the graph, and the cache is updated exactly once for each node in the graph. This is based on the fact that in order to find the minimum contiguous sum we can first make the elements of the original array negative ie. Given a sorted array Arr of size N and a number X, you need to find the number of occurrences of X in Arr. The sum of nodes considering -4 as the root of subtree is -4 = -4. Console. Else, we will calculate the maximum value of max_so_far and (sum – min_so_far) and return it. With over 1500+ candidates placed in 200+ companies in the last 1 year, Job-A-Thon brings you yet another chance to get placed in top companies. Efficient Approach: The idea is to use Binary Search to find the subarray of maximum length having sum K. If no such row exists, return -1. For a better experience, watch the video at 1. Find the length of the longest sub-sequence such that elements in the subsequence are consecutive integers, the consecutive numbers can be in any order. For each subarray find its all subarray by running two another for loops. Example 1: Input: X = "25", Y = "23" Output: 48 Explanation: The sum of 25 and 23 is 48. Steps to implement-. The idea is similar to linear time solution for shortest path in a directed acyclic graph. 1) If current has no right child a) Increment count and check if count is equal to K. But in the case of the number of elements being large, the array in which we store the contiguous. If we calculate A 3, then the number of triangles in Undirected Graph is equal to trace (A 3) / 6. NOTE: The adjacency list denotes the edges of the graph where edges [i] stores. Send feedback. Find Complete Code at GeeksforGeeks Article: video is contributed by Anant PatniPlease Like,. A sequence, sorted in increasing order is. Given adjacency list adj as input parameters . GFG Weekly Coding Contest; Job-A-Thon: Hiring Challenge; All Contests and Events; Change. We will be discussing the entire problem step-by-step a. All DSA Problems; Problem of the Day; GFG SDE Sheet; Curated DSA Lists. If there is a prefix with a sum equal to ( x – s), then the subarray with the given sum is found. Find the maximum for each and every contiguous subarray of size K. To get alternating subsequences with maximum length and the largest sum, we will be traversing the whole list (length of list)-1 times for comparing signs. Solved 3 Linked list problems using Recursion and two-pointers approach:. Your task is to complete the function FindWays () which takes matrix as input parameter and returns a list containg total number of ways to reach at (n, n) modulo 109 + 7 and maximum number of Adventure. For a given number of the form ‘nr/dr’ where dr > nr, first find the greatest possible unit fraction, then recur for the remaining part. We fix the left and right columns one by one and find the largest sub-array with 0 sum contiguous rows. The steps to construct the Subsequence is shown below: In a vector result, store the value of the element where the Maximum Sum Increasing Subsequence was found (i. Explore; Problems;. Find the 0-based index of the first row that has the maximum number of 1's. The step-by-step process for a better understanding of how the algorithm works. , 4/42. Follow the steps mentioned. This is the best place to expand your knowledge and get prepared for your next interview. Linked List 72. Brute approach. Level up your coding skills and quickly land a job. The task is to complete the function maxSubarraySum() which takes Arr[] and N as input parameters and returns the sum of subarray with maximum sum. Input: 10 / \ 2 -25 / \ / \ 20 1 3 4 Output: 32 Explanation: Path in the given tree goes like 10 , 2 , 20 which gives the max sum as 32. The size of the largest cycle is the value of the largest cached value. The idea is we will maintain a integer variable maxsum. Recommended: Please solve it on “ PRACTICE ” first, before moving on to the solution. Recommended: Please solve it on “ PRACTICE ” first, before moving on to the solution. Solved 3 Linked list problems using Recursion and two-pointers approach:. Note: edges [i] is defined as u, v and weight. You have to find the K-th largest sum of contiguous subarray within the array elements. e. We need to find the max sum of sums of M subarrays of size K (non-overlapping) in the array. a strictly increasing. Solve. Given a linked list of N nodes. The task is to divide the array into K parts ( subarray ) such that the sum of the values of all subarray is minimum. The task is to find the connected chain with the maximum sum of values among all the connected components in the graph. Given an array containing N integers and a positive integer K, find the length of the longest sub array with sum of the elements divisible by the given value K. The task is to find subtree with maximum sum in the tree and return its sum. Example 1: Input: N = 5 A[] = {1,2,3,5} Output: 4 Example 2: Input: N = 10 A[] = {6,1,2,8,3,4,7,10,5} Output: 9 Your Task : You don't need to read input or print anything. Given adjacency list adj as input parameters . Heapify: It is the process to rearrange the elements to maintain the property of heap data structure. Given an integer array arr, partition the array into (contiguous) subarrays of length at most k. . Given an integer array arr, partition the array into (contiguous) subarrays of length at most k. Contests. Follow the below steps to solve the problem: Create two. Back to Explore Page. Example 2: Input: N = 2,K = 2 A [] = {10 5} Output: -1 Explanation: Can't make any increasing subsequence of length 2. The point at which they meet is the start of the loop. For current node, check if the sum of nodes of current node is greater than sum of left or right subtree. The path may start and end at any node in the tree. Given adjacency list adj as input parameters . In case you need more clarity about a question, you may use the expected output button to see output for your given input. Input: list= [12 4 -5 7 -9] Output: 5. Find the total count of sub-arrays having their sum equal to 0. Every node has been assigned a given value. If there are more than one such pairs with maximum sum then print any of such pair. Given a binary tree with a value associated with each node, we need to choose a subset of these nodes such that sum of chosen nodes is maximum under a constraint that no two chosen node in subset should be directly connected that is, if we have taken a node in our sum then we can’t take its any children or parents in consideration and vice versa. K is the size of subarrays and M is the count of subarray. A brute force approach is to store all the contiguous sums in another array and sort it and print the k-th largest. Practice. You don't need to read input or print. Explanation: The odd Numbers in the range are -9, -7, -5, -3, -1, 1, 3, 5, 7, 9 and the 8th Largest odd number is -5. Practice. Easy 224K 27. All unique combinations whose sum equals to K (Combination Sum II) Shortest possible combination of two strings. So the first unit fraction becomes 1/3, then recur for (6/14 – 1/3) i. From a given cell, we are allowed to move to cells (i+1, j) and (i, j+1) only. An efficient solution is based on Largest rectangular sub-matrix whose sum is 0 which reduces the time complexity to O (n^3). Start with the largest character ‘z’. If there are more than or equal to 3 positive elements or more than or equal to 3 negative elements, then the condition arr[i]+arr[j]+arr[k] = an element of the array cannot be true. We can find the largest and second-largest in O (n) time by traversing the array once. e, key = prefix sum and value = its index, and a variable to store the current sum ( sum = 0) and the sum of the subarray as s. Continue this process until head not equal to NULL. Master Data Structures concepts such as Linked Lists, Heaps, DP, Graphs, Arrays & more. Example 1: Input: n = 6 arr [] = {0,0,5. If there is no cycle in the graph then return -1. This is because 1 and 7 are the only single-digit happy numbers. arr [ ] = {1, 2, 3} Output: 4. j], find the two smallest numbers and add them, you will get score for that subarray. Now, the idea is to reduce the problem to 1-D array. Your task is to complete the function maxSubMatrixSumQueries () which takes the 2D array of integers mat, n, m, queries and q as input parameters and returns an array of integers denoting the maximum sum for each query. The questions will be featured from a pool of public problems from the GFG Practice Portal. Initialize ans, start and end variables as -1, 0, and N respectively. The length of this cycle is 3, so 3 is returned. The expected time complexity of the above randomized QuickSelect is O (n). It's uses O (N) additional storage. Time Complexity: O(n log n), where N represents the size of the given array. a) Pick an arbitrary edge (u, v) from set E and add 'u' and 'v' to result. Example 2: Input: N = 3, S = 29 Output: -1 Explanation: There is no such three digit number whose sum is 29. I used a dfs on graph approach in. Given a weighted directed graph with n nodes and m edges. Where trace (A) is the sum of the elements on the. Contests. Output: 3. Initialize a Max-Heap using a priority queue, say. If total array size is not multiple of k, then we can take partial last array. Program to find sum of elements in a given 2D array. For example in the given tree, maxSum Node = 4 with maximum sum of 28. Max Sum value chain is {1, 2} with values {10, 25}, hence 35 is answer. If the size of the max heap exceeds K, remove the. The time complexity of the given BFS algorithm is O(V + E), where V is the number of vertices and E is the number of edges in the graph. Here adj [i] contains vectors of size 2, where the first integer in that. The graph is connected. e entry/exit points are unidirectional doors like valves). Below steps can be used to solve the. Learn how to solve a coding question on maximum weight node with a maze and multiple entry points using the sum of the node number in a cycle. Given an array arr [] and an integer K. So this would be a O (N*N) complex right. Example 1: Input: 1 / 2 3 / / 4 5 6 7 Output: 28 ExplanationLn 1, Col 1. If current_sum is greater than max_sum, update max_sum, end to the current index, and max_start and max_end to start and end respectively. . Now the problem reduces to finding the largest subarray having a sum greater than zero. K is the size of subarrays and M is the count of subarray. Shortest path length between two given nodes such that adjacent nodes are at bit difference 2. Input: N = 5, A [] = {5, -2, 3, -6, 5} Output: 11. Kth largest sum contiguous subarray using Prefix Sum and Sorting approach: The basic idea behind the Prefix Sum and Sorting approach is to create a prefix sum. For the given query of: Type 1: given l and r (they are positions), and task is to print the Largest sum Contiguous Subarray. With over 1500+ candidates placed in 200+ companies in the last 1 year, Job-A-Thon brings you yet another chance to get placed in top companies. Example 1: Input: 1 / 4 4 / 6. If you are a frequent user of our Practice Portal, you may have already solved the featured Problem of the Day in the past. After that we will initialize our two subarray from (N – 2K) and (N – K) indices, where. Example 2: Input: N = 2,K = 2 A [] = {10 5} Output: -1 Explanation: Can't make any increasing subsequence of length 2. The practice system tells you exactly the test case where your code failed. ; Now create a max/min variable (let’s say m) with value. The solution is based on Maximum sum rectangle in a 2D matrix. Q9: Two numbers are in the ratio 2:3. Return -1 if there are no cycles. Explanation: The product of the subarray {1, 5, -6, 9} is -270 which is the minimum possible. Below are steps to find the first node of the loop. 1. Step 1: Pick edge 7-6. Maximum size of subset of given array such that a triangle can be formed by any three integers as the sides of the triangle. Here adj[i] contains vectors of size 2,Given a binary tree, the task is to find the maximum path sum. Find the product of the maximum product subarray. Example 1: Input: 1 / \ 2 3 / \ / \ 4 5 6 7 Output: 28 Explanation Your task is to complete the function isNegativeWeightCycle () which takes n and edges as input paramater and returns 1 if graph contains negative weight cycle otherwise returns 0. Longest subarray of only 0's or 1's with atmost K flips. Take the sum of all the values after subtraction. . The elements of the array can be negative. Finally, we return the largest sum of digits. Example 1: Input: E = [[0,1,9]] S = 0 Output: 0 9 Explanation : Shortest distance of all nodes from source is printed. Given two strings denoting non-negative numbers X and Y. Given an array Arr of size N, print second largest distinct element from an array. 0 Not attempted (1) AttemptedInput: a [] = {10, -10, 20, -40} k = 6 Output: -10 Explanation: The 6th largest sum among sum of all contiguous subarrays is -10. Approach: The idea to use the DFS Traversal for the given tree to solve the given problem. 3) Do following while E is not empty. The currently found number can not occur again so it is. Approach: The solution can be reached by the following approach:-. . Input: a [] = {10, -10, 20, -40} k = 6 Output: -10 Explanation: The 6th largest sum among sum of all contiguous subarrays is -10. If the sum of all elements is greater than S and its size is greater than K, then update answer with minimum of answer and length of the subarray. Example 1: Input: N = 5 Arr[] = {1,2,3,-2,5} Output: 9 Explanation: Max subarray Welcome to my channel. Following is an example of SumTree. This video contains problem of the day solution for GeeksForGeeks question on 2nd Feb 2023 . Example: Given an array of integers of size ‘n’, Our aim is to calculate the maximum sum of ‘k’ consecutive elements in the array. But since both elements are adjacent, it is not a valid pair. Given an array of integers. " GitHub is where people build software. Follow the steps below to solve the problem: Traverse the array once and keep updating the frequency of array elements in the Map. Initialize a variable sum with value 0 to store the final answer. The idea is to reduce the problem to 1 D array. The output for the above will be. The task is to find subtree with maximum sum in the tree and return its sum. 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. 2nd case : If sum becomes greater than or equal to k, this means we need to subtract starting element from sum so that the sum. Approach: The approach to the solution is based on the concept of longest common subsequence and we need to check if sum of elements of subsequence is equal to given value. Maximum sum path in a matrix from top-left to bottom-right. A-143, 9th Floor, Sovereign Corporate Tower, Sector-136, Noida, Uttar Pradesh - 201305You are given an array Arr of size N. In that case you must submit your solution again to maintain the streak and earn a Geek Bit. If any of the subarray with size K has the sum equal to the given sum then print YES otherwise print NO. . We also need to make sure that the leading digits are smaller. Explanation: The subarray having maximum sum with distinct element is {2, 3, 1, 5}. Find the length of each subarray. e. Graph 134. Count unique paths with given sum in an N-ary Tree; Convert a Generic Tree(N-array Tree) to Binary Tree; Largest subtree sum for each vertex of given N-ary Tree; LCA for general or n-ary trees (Sparse Matrix DP approach ) Minimum valued node having maximum depth in an N-ary Tree; Number of leaf nodes in the subtree of every. Allocate Minimum Spanning Tree. Personalised Dashboard. Your Task: You don't need to read or print anything. Given an array a [] of size N, and Q queries of two types 1 and 2. 1) First find the leaf node that is on the maximum sum path. The formula for the sum of n terms of AP: How do we check whether a series is an arithmetic progression or not? 1. A-143, 9th Floor, Sovereign Corporate Tower, Sector-136, Noida, Uttar Pradesh - 201305The Range of a subarray of arr is the difference between the largest and smaller element in the subarray. Function Description: The sum of the largest sum cycle in the maze. - GitHub - iamujj15/Leetcode-GFG-Solutions: This Repository contains my solution for the problems I p. Example 1: Input: N = 3. A-143, 9th Floor, Sovereign Corporate Tower, Sector-136, Noida, Uttar Pradesh - 201305Approach: The given problem can be solved by finding the last element which is greater than its next element, and swapping it with the next smaller element in the array. Examples to illustrate the use of the Sliding window technique. Unlike subsequences, subarrays are required to occupy consecutive positions within the original array. Example 1: Input: 1 / 2 3 / / 4 5 6 7 Output: 28 ExplanationYour task is to complete the function isNegativeWeightCycle () which takes n and edges as input paramater and returns 1 if graph contains negative weight cycle otherwise returns 0. Now we will use Kadane’s Algorithm to find the maximum subarray sum and minimum subarray sum. Find the first non-repeating element in a given array of integers. You are given an array arr[] of size n. Note:The cells are named with an integer value from 0 to N-1. Linked list can contain self loop. In this method, we do not need to check explicitly if the binary tree is BST. We are given a directed graph. Let this value be x. 2) Initialize a count variable to 0. An empty tree is also a S. We add an edge back before we process the next edge. In the previous post, we checked whether the maximum value minus the minimum value is equal to the ending index minus starting index or not. Find elements in given Array that are a factor of sum of remaining elements. Company Tags. , it can be colored with two colors “. Run two loops to find all subarrays. A sheet that covers almost every concept of Data Structures and Algorithms. If “n != 1” , then a recursive call the function “largestSum” to find the largest sum of the subarray “arr [0…n-1]” excluding the last element “arr [n-1]”. If 2nd largest element doesn't exist then return -1. Input: 10 / 2 -25 / / 20 1 3 4 Output: 32 Explanation: Path in the given tree goes like 10 , 2 , 20 which gives the max sum as 32. Approach: The Idea is to compute the indices of the largest three elements in the array. The path may start and end at any node in the tree. Find the length of the largest subarray with equal number of 0s and 1s. Split the array ‘A’ into ‘K’ non-empty subarrays such that the largest sum of any subarray is minimized. If the sum obtained by applying Kadane’s algorithm is greater than the overall maximum sum, update the overall maximum sum. Maximum range length such that A [i] is maximum in given range for all i from [1, N] Maximum sum subarray of size range [L, R] Minimum cost to convert all elements of a K-size subarray to 0 from given Ternary Array with subarray sum as cost.