Your task is to return the minimized largest sum of the split. 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. This is the highest possible sum of a. In the end, the min heap contains the K largest elements of the array. Approach: The given problem can be solved by finding all the paths from a given source to a destination and using a Priority Queue to find the K th largest weight. Suppose S = “zzwzawa” and K = 2. Output : 7 Explanation : 3rd smallest element in the given array is 7. Let the number be 12345. Follow the steps below to solve the problem: Traverse the array once and keep updating the frequency of array elements in the Map. 0 You are given a maze with N cells. 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. Below steps can be used to solve the. The output for the above will be. Given an array Arr[] of N integers. 4) Return result. D. 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 strictly increasing. 25 or 1. After that we will initialize our two subarray from (N – 2K) and (N – K) indices, where. Find length of the longest subarray containing atmost two distinct integers. We need compute whether the graph has negative cycle or not. Given adjacency list adj as input parameters . Naive Approach: The naive approach is to generate all the possible subarray and print that subarray which has maximum sum. Given an N-Ary tree, find and return the node for which sum of data of all children and the node itself is maximum. Method 1 (Simple DFS): We create undirected graph for given city map and do DFS from every city to find maximum length of cable. Maximize array sum after K negations using Sorting; Minimum sum of product of two arrays; Minimum sum of absolute difference of pairs of two arrays; Minimum increment/decrement to make array non-Increasing; Sorting array with reverse around middle; Sum of Areas of Rectangles possible for an array; Largest lexicographic array with at-most K. Start your problem-solving journey today! You can now create your own custom sprints by adding problems to it. How to preprocess the matrix so that submatrix sum queries can be performed in O (1) time. 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. The task is to check if there exists any subarray with K elements whose sum is equal to the given sum. Inversion Count: For an array, inversion count indicates how far (or close) the array is from being sorted. Sum of two large numbers | Practice | GeeksforGeeks. Sum of upper triangle and lower triangle. Example 1: 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). 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. 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. The basic idea behind cycle sort is to divide the input array into cycles, where each cycle consists of elements that belong to the same. Every node has been assigned a given value. It may be assumed that size of array is more than m*k. Given a binary tree, find the largest value in each level. To add x to sum, -x can be subtracted from it because sum- (-x) = sum + x. 3. 5xMethods And Algorithms Used1. Step 4: Pick edge 0-1. Return the sum of all subarray ranges of arr. Practice. Example 1: Input: N = 5 Arr[] = {1,2,3,-2,5} Output: 9 Explanation: Max subarray Welcome to my channel. The value of currsum exceeds the desired sum by currsum – sum. Approach: The given problem can be solved using mathematics. Input: arr = [-2, -4, 0, 1, 5, -6, 9], K =4. In the case of multiple pairs with the largest sum, print any one of them. Geekbits count & redemption. The task is to find the maximum value achievable by a + shaped pattern. Sum of these two numbers is 190 + 25 = 215, which will be represented by 2->1->5->null. 25 or 1. So T will become “zzz” and we will remove letters from the left of S until all the z’s are removed. 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. The idea is simple, we find all divisors of a number one by one. Sum of a cycle is the sum of nodeSum of two large numbers | Practice | GeeksforGeeks. Note: The above code assumes that there is at least one positive element in the array. Note:The cells are named with an integer. 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. You don't need to read input or print anything. Example 2:Output: Maximum difference is 109. GfG Weekly + You = Perfect Sunday Evenings! Given a weighted, undirected and connected graph of V vertices and E edges. All DSA Problems; Problem of the Day; GFG SDE Sheet; Curated DSA Lists. Given head, the head of a singly linked list, find if the linked list is circular or not. Output: 11. Given two strings denoting non-negative numbers X and Y. Example 2: Input: nums = [1] Output: 1 Explanation: The subarray [1] has the largest sum 1. Time Complexity : O(n) Auxiliary Space : O(1) Method 3 (Another Tricky Solution) First find the difference between the adjacent elements of the array and store all differences in an auxiliary array diff[] of size n-1. Maximum sum path in a matrix from top-left to bottom-right. e. -----. The formula for the n th term of an A. The two sub-arrays are [1, 2, 5] [2, 3]. Note: edges [i] is defined as u, v and weight. , it can be colored with two colors “. If there are more than one such pairs with maximum sum then print any of such pair. Follow the steps below to solve the problem: Initialize an adjacency list to create a graph from the given set of edges Edges [] []. (Order of array remains unchanged). Solve company interview questions and improve your coding intellect. 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. Find elements in given Array that are a factor of sum of remaining elements. Below are steps to find the first node of the loop. Return the length of the longest cycle in the graph. Tree. Example 1: Input: N = 4 A [] = {0,1,0,1} Output: 4 Explanation: The array from index [0. ; Increase the. . Write a program to find the sum of maximum sum subsequence of the given array such that the integers in the subsequence are sorted in increasing order. If no cycle exists, return -1. Practice. Example 1: Input: N = 3 K = 2 Arr = {3,2,1} Output: 5 Explanation: The different subarray sums we c. Linked List 72. 89% Submissions: 109K+ Points: 4. Given an array arr [] of N elements and a number K. Practice. entry/exit points are. Given a weighted directed graph with n nodes and m edges. If total array size is not multiple of k, then we can take partial last array. e 5 only. World Cup Hack-A-Thon; GFG Weekly Coding Contest; Job-A-Thon: Hiring. If the array is already sorted then the inversion count is 0. Solution: Let the common ratio be ‘m’. This video contains problem of the day solution for GeeksForGeeks question on 2nd Feb 2023 . j], find the two smallest numbers and add them, you will get score for that subarray. K is the size of subarrays and M is the count of subarray. Move both slow and fast pointers one node at a time. Given a boolean 2D array of n x m dimensions where each row is sorted. An interview-centric & placement-preparation course designed to prepare you for the role of SDE for product and service-based companies. Step 1: Pick edge 7-6. gfg potd gfg potd todaygfg problem of the dayProblem Link:-Link:-h. Approach: The solution can be reached by the following approach:-. CodeFreaks Kadane's Algorithm | Largest Sum Contiguous Subarray | Java and C++ | Anuj Bhaiya DSAOne Course #13 Problem of The Day: 02/02/2023 | Largest. Find the maximum for each and every contiguous subarray of size K. 594 views 1 month ago GFG POTD series. Return -1 if it is not possible. Initialize a variable, say res as 0 to store the maximum product of any two nodes of the connected components of the same weights. 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, . Find the maximum of the sums of all such subsequences. Practice this problem. 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). A leaf node is also considered as SumTree. Given an array Arr of size N, print second largest distinct element from an array. Example 1: Input: n = 3, edges. Example 1: Input: X = "25", Y = "23" Output: 48 Explanation: The sum of 25 and 23 is 48. In that case you must submit your solution again to maintain the streak and earn a Geek Bit. Given a weighted, undirected and connected graph of V vertices and an adjacency list adj where adj [i] is a list of lists containing two integers where the first integer of each list j denotes there is edge between i and j , second inte. You don't need to read input or print anything. Find the missing element. Input : arr [] = [4, 3, 1, 5, 6] Output : 11 Subarrays with. Explanation: The largest subsequence with greatest sum is [12 -5 7 -9] with length 4. Output. The element should occur more than once and the index of its first occurrence should be the smallest. Given an integer array arr[] of size N, the task is to find contiguous pair {a, b} such that sum of both elements in the pair is maximum. The task is to find subtree with maximum sum in the tree and return its sum. If any of the subarray with size K has the sum equal to the given sum then print YES otherwise print NO. We also add end to previous sum. Time Complexity: O(N 2 log K) Auxiliary Space: O(N), but this can be reduced to O(K) for min-heap and we can store the prefix sum array in the input array itself as it is of no use. Convert all even weight edges into two. This is the best place to expand your knowledge and get prepared for your next interview. Find largest subtree having identical left and right subtrees; Sum of all the parent nodes having child node x; Maximum sum from a tree with adjacent levels not allowed; Iterative function to check if two trees are identical; Check if there is a root to leaf path with given sequence; Sum of nodes at maximum depth of a Binary TreeThe longest of them will be the answer. To associate your repository with the gfg-solutions topic, visit your repo's landing page and select "manage topics. 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. Free, Self-Paced with Lifetime Access using Strivers A2Z DSA Course. As in this problem we have to choose one element which is the maximum in the subarray. Medium Accuracy: 32. Approach: The given problem can be solved using. . Jobs. Follow the steps below to solve the problem: Calculate the maximum prefix sum of array A[] and store it in a. Given two numbers 'N' and 'S' , find the largest number that can be formed with 'N' digits and whose sum of digits should be equals to 'S'. The idea is we will maintain a integer variable maxsum. Return max_end – max_start + 1 as the size of the subarray with maximum sum. February 2, 2023 08:48. Find the size of its largest subtree that is a Binary Search Tree. Therefore, we can choose all the positive elements from the array, and each time we can make. Find the total count of sub-arrays having their sum equal to 0. If there is no cycle in the graph then return -1. Prefix Sum 136. Take two variables min and max to store the minimum and maximum elements of. Each cell may have multiple entry points but not more than one exit (i. Below is the dry run of the above approach: Follow the given steps to solve the problem: Create a deque to store K elements. Solution Approach. 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). Find length of the longest subarray containing atmost two distinct integers. e. If next is greater than the top element, Pop element from the stack. It takes O (log N) to balance the tree. An efficient solution is based on Largest rectangular sub-matrix whose sum is 0 which reduces the time complexity to O (n^3). e. Practice. Algorithm. Follow the steps mentioned. Lucky numbers are subset of integers. Example 1: Input: n = 3 arr = [1,2,3] Output: [1,2] Explanation: Largest Divisble Subset is [1,2]. MIN_VALUE. Now we will use Kadane’s Algorithm to find the maximum subarray sum and minimum subarray sum. Welcome to our daily problem solving session where Siddharth will be tackling the Problem of The Day. An empty linked list is considered as c. e c}. next is the next greater element for the popped element. A sheet that covers almost every concept of Data Structures and Algorithms. . Calculate the sum of X and Y. Explanation: Subsequence { 11, 7 } and { 9, 2, 7 } has sum equal to 18. The task is to find subtree with maximum sum in the tree and return its sum. Hence, maximum circular subarray sum is 22. GfG Weekly + You = Perfect Sunday Evenings! Given a number N, the task is to find the largest prime factor of that number. But since both elements are adjacent, it is not a valid pair. Longest subarray of only 0's or 1's with atmost K flips. Sub-array A is greater than sub-array B if sum (A) > sum (B). + arr [j] So we can see if there are two indices i and j (j > i) for which the prefix sum are same then the subarray from i+1 to j has sum = 0. Example 3: Input: nums = [5,4,-1,7,8] Output: 23 Explanation: The subarray [5,4,-1,7,8] has the largest sum 23. Given an array of positive integers. Contests. Easy 224K 27. Hence, maximum circular subarray sum is 22. Backtracking 100. 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. Then the next search space possible will be in the. Instructions. Solved 3 Linked list problems using Recursion and two-pointers approach: Flatten given Linked list; Rotate given Linked list; Clone a given Linked list with next and random pointers; Day 79. Follow the steps below to solve the problem: Initialize a variable, say maxm, to store the largest element of the given array. Given a binary tree. Find the 0-based index of the first. @Mingle_Tech @Code_Star #mingletech #Mingle_TechThank you for watching this video 💛geeks for geeks, Missing Number in matrix, Absolute List Sorting, Bal. Example 2: The above graph has two cycles of length 4 and 3, the product of cycle lengths is 12. Your Task: You don't have to read input or print anything. 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. There is a cycle in a graph only if there is a back edge present in the graph. Note: The cells are named with an integer value from 0 to N-1. Solve. If the number of nodes is not a multiple of k then left-out nodes, in the end, should be considered as a group and. Maximum size of subset of given array such that a triangle can be formed by any three integers as the sides of the triangle. Write a function that takes an array as an argument and returns the length of the longest bitonic subsequence. Back to Explore Page. Cycles of length n in an undirected and connected graph. Note: edges [i] is defined as u, v and weight. Explanation: Find the sum of the maximum sum subsequence of the given array such that the integers in the subsequence are sorted in strictly increasing order i. 1) Initialize Current as root. There is no subarray of size 3 as size of whole array is 2. An efficient approach will be to find the divisors in O (sqrt n). If 2nd largest element doesn't exist then return -1. . Given an undirected and connected graph and a number n, count total number of cycles of length n in the graph. Algorithm: First create an queue structure and push k elements inside it and calculate the sum of the elements (let’s say su) during pushing. Time Complexity: O (N) Below is the implementation of the above approach: C++. So, the minimum spanning tree formed will be having (9 – 1) = 8 edges. the used approach of using sum at each node until the node is again repeated in the cycle. Given an integer array arr, partition the array into (contiguous) subarrays of length at most k. Example 1: Input: N = 7 a [] = {2,6,1,9,4,5,3} Output:Given an array arr[] of size N and an integer K. Below image is a dry run of the above approach: Below is the implementation of the above approach:Output: Length of the longest contiguous subarray is 3. Solved 3 Linked list problems using Recursion and two-pointers approach:. Given an array Arr, with indexes running from 0 to N, select any two indexes, i and j such that i<=j-1. Ordered Set 57. We initialize distances to all vertices as minus infinite and distance to source as 0, then we find a topological sorting of the graph. Example 2: Given a weighted, undirected and connected graph of V vertices and E edges. ; Initialize a Max-Heap using a priority queue, say. Recommended Practice. Examples: Input : n = 3, m = 2 Edges [] = { {1, 2}, {2, 3}} Output : 1. Minimum weighted cycle is : Minimum weighed cycle : 7 + 1 + 6 = 14 or 2 + 6 + 2 + 4 = 14. Example 1: The above graph has two cycles of length 4 and 3, the product of cycle lengths is 12. 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. Declare a variable count with value 0 to store the final answer. It was developed by W. Example: Given an array of integers of size ‘n’, Our aim is to calculate the maximum sum of ‘k’ consecutive elements in the array. 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. Relax all the edges (u,v,weight) N-1 times as per the below condition: dist [v] = minimum (dist [v], distance. Run a for loop from 0 to N-1 and for each index i: Add the arr [i] to max_ending_here. The Content of this Interview Experience is Removed. Design 123. Example 1: Input: N = 5 Output: 120 Explanation : 5! = 1*2*3*4*5 = 120 Example 2: Input: N = 10 Output: 3628800 Explanation :For m = 1, the number is 168 + 3 = 171, the sum of whose digits is 9. Find Complete Code at GeeksforGeeks Article: Like, Comment and Share the Video among you. Platform to practice programming problems. (Order of array remains unchanged). Here adj [i] contains vectors of size 2, where the first integer in that. a) If the current element is greater than the first max element, then update second max to the first. Given an array of size N-1 such that it only contains distinct integers in the range of 1 to N. ; Create a variable curr_sum and increase the value of curr_sum by arr[i] while traversing the array from index 0 till the value of curr_sum is less than halfSum; When. A brute force approach is to store all the contiguous sums in another array and sort it and print the k-th largest. We will soon be covering solution for the problem where duplicate elements are allowed in subarray. Inputs to queries are left top and right bottom indexes of submatrix whose sum is to find out. Now let’s see how the two-pointer technique works. Explore Page. In this video we will see how to find the length of the longest sub-array with a sum that equals 0, from a given array of integers, Examples: Input: arr [] = {15, -2, 2, -8, 1, 7, 10, 23}; Output: 5 Explanation: The longest sub-array with elements summing up-to 0 is {-2, 2, -8, 1, 7} Check out the video to see how we implement this!! Practice. Recommended: Please solve it on “ PRACTICE ” first, before moving on to the solution. 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. If no such row exists, return -1. " GitHub is where people build software. Replace each ar[i] by -ar[i] and then apply Kadane Algorithm. Given a number, we need to find sum of its digits using recursion. Menu. Level up your coding skills and quickly land a job. If the weight is < n, then the original graph has no Hamiltonian cycle, otherwise it does. Maximum sub-array is defined in terms of the sum of the elements in the sub-array. Find three element from different three arrays such that a + b + c =. , 3. Otherwise, push all the element of the array in a linear data structure like vector and if. If there is no cycle in the graph then return -1. Unlike subsequences, subarrays are required to occupy consecutive positions within the original array. Given the 2 nodes. If you are a frequent user of our Practice Portal, you may have already solved the featured Problem of the Day in the past. Expected Time Complexity: O (n*m) Expected Auxiliary Space: O (n*m) Constraints: 1 ≤ n, m ≤ 500. Example 2: Input: N = 2,K = 2 A [] = {10 5} Output: -1 Explanation: Can't make any increasing subsequence of length 2. Maximum size of subset of given array such that a triangle can be formed by any three integers as the sides of the triangle. Graph 134. Practice. tli : Row number of top left of. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. Example 1. Do either BFS or DFS starting from every unvisited. Submatrix Sum Queries. Back to Explore Page Given a Binary Tree. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. 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. In the sum, data of node itself and data of its immediate children is to be taken. Sum of array elements possible by appending arr [i] / K to the end of the array K times for array elements divisible by K. In this video, I have solved the "Largest Sum Cycle" problem from GFG Practice - Problem Of The Day. 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. Example 1: Input: 3 / 1 2 Output: 1 Explanation: The sum of left subtree and right subtree is 1 + 2 = 3, which is the value of the root node. The task is to find subtree with maximum sum in the tree and return its sum. length <= 105 * -104 <= nums[i] <= 104 Follow up: If you have figured out the O(n) solution, try coding another. Given a singly linked list of size N of integers. 1. Complete the function findSubarray () that takes the array arr and its size n as input parameters and returns the total number of sub-arrays with 0 sum. An empty tree is also a S. Let A [] [] be the adjacency matrix representation of the graph. Length of Longest Subarray with same elements in atmost K increments. max and update the first max to the current element. Solution. A plus (+) shape has atleast five elements which are { (x-1, y), (x, y-1. 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. Example 1: Input: E = [[0,1,9]] S = 0 Output: 0 9 Explanation : Shortest distance of all nodes from source is printed. This is the best place to expand your knowledge and get prepared for your next interview. Based on the above idea, for the new array, median of any subarray to be greater than or equal to X, its sum of elements. The currently found number can not occur again so it is. Here adj[i] contains vectors of size 2, Subarray [1:4] = {5, 2, 5, 3} Sum of subarray excluding maximum element = 5 + 2 + 3 = 10. Input: N = 5, A [] = {5, -2, 3, -6, 5} Output: 11. 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. GfG Weekly + You = Perfect Sunday Evenings! Given a weighted, undirected and connected graph of V vertices and E edges. For max-heap, it balances in such a way that the maximum element is the root of that binary tree and. Following is an example of SumTree. Menu. Given an array arr[] of size N and an integer K. You are given a weighted undirected graph having n vertices numbered from 1 to n and m edges describing there are edges between a to b with some weight, find the shortest path between the vertex 1 and the vertex n and if path does not. Given a matrix of size M x N, there are large number of queries to find submatrix sums. Input : n = 6 1 2 3 // Cable length from 1 to 2 (or 2 to 1) is 3 2 3 4 2 6 2 6 4 6 6 5 5 Output: maximum length of cable = 12. Run. Example 1: Input: N = 5, arr [] = {1, 101, 2, 3, 100} Output: 106 Explanation: The maximum sum of a increasing sequence is obtained from {1, 2, 3, 100}, Example 2: POTD link ::: you like this content please hit like and subscribe. Given an array of positive integers. The task is to find the sum of weights of the edges of the Minimum Spanning Tree. Efficient Approach: The idea is to use Binary Search to find the subarray of maximum length having sum K. No cycle is formed, include it. The idea is similar to the previous post. Range query for Largest Sum Contiguous Subarray. geeksforgeeks. We fix the left and right columns one by one and find the largest sub-array with 0 sum contiguous rows for every left and right column pair. Given a binary tree with a value associated. Naive Approach: Run two loops to generate all subarrays and then choose all subarrays of size k and find maximum and minimum values. We fix the left and right columns one by one and find the largest sub-array with 0 sum contiguous rows. If an a. Apply to 6 Companies through 1 Contest! Given an array Arr [] that contains N integers (may be positive, negative or zero). We are given a directed graph. a) Pick an arbitrary edge (u, v) from set E and add 'u' and 'v' to result. If you are a frequent user of our Practice Portal, you may have already solved the featured Problem of the Day in the past. Split the given array into K subarrays such that the maximum subarray sum achievable out of K subarrays formed is minimum. A linked list is called circular if it not NULL terminated and all nodes are connected in the form of a cycle. If the size of the max heap exceeds K, pop (remove) the smallest element from the min heap. It's uses O (N) additional storage. Type 2: given type, index, and value, update aindex = value. We will be discussing the entire problem step-by-step a. Explanation: The product of the subarray {1, 5, -6, 9} is -270 which is the minimum possible. We first compute maximum sum till every index and store it in an array maxSum[]. Run two loops to find all subarrays. Detailed solution for Split Array – Largest Sum - Problem Statement: Given an integer array ‘A’ of size ‘N’ and an integer ‘K'. Given an array A[] of size N, return length of the longest subarray of non- negative integers. So the first unit fraction becomes 1/3, then recur for (6/14 – 1/3) i. Given two numbers 'N' and 'S' , find the largest number that can be formed with 'N' digits and whose sum of digits should be equals to 'S'. Sub-array A is greater than sub-array B if sum (A) > sum (B). Thanks for watching. Print numbers such that no two consecutive numbers are co-prime and every three consecutive numbers are co-prime. Your task is to complete the function largest () which. Recommended Practice. VMWare. Floyd Warshall. Note: The cells are named with an integer value from 0 to N-1. Example 1: Input: N = 9, K = 3 arr[] = 1 2 3 1 4 5.