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Data Structure Articles
Page 63 of 164
Rearrange and Update Array Elements as Specified by the given Queries
In this problem, we will perform the given queries on the array elements. The queries contain the circular left rotation, right rotation, and updation of the array element. The logical part of solving the problem is array rotation. The naïve approach to rotating the array in the left direction is to replace each element with the next element and the last element with the first element. We can use the deque data structure to rotate the array efficiently. Problem statement − We have given an arr[] array containing the integer values. Also, we have given a queries[] array containing ...
Read MorePrint all Prime Levels of a Binary Tree
In this problem, we will print all prime levels of the given binary tree. We will use the level order traversal technique to traverse each binary tree level and check whether all nodes contain the prime integer for the particular level. Problem statement − We have given a binary tree and need to print all prime levels of the binary tree. It is given that if all nodes of any binary tree contain a prime integer, we can say a particular level is a prime level. Sample examples Input ...
Read MorePrint all Palindromic Levels of a Binary Tree
In this problem, we will print each palindromic level of the given binary tree. We can use the breadth−first search algorithm to traverse each level of the given binary tree and check whether a particular level of the binary tree is palindromic. If yes, we print the level in the output. Problem statement − We have given a binary tree, and we need to print all palindromic levels of the binary tree. If any particular level of the binary tree contains the same numbers from left to right and right to left, we can say that the current level is ...
Read MorePrint all Nodes Except Rightmost Node of Every Level of the Binary Tree
In this problem, we will print all the nodes of the binary tree except the rightmost node of each level. We will use the level order traversal to traverse the binary tree, and we won’t print the last node of each level, which is the rightmost node. Problem statement − We have given a binary tree containing different nodes. We need to print all nodes of the binary tree except right most node. Sample examples Input 7 / \ ...
Read MoreMinimize the Maximum difference between Adjacent Elements in an Array
In this problem, we will minimize the maximum difference between adjacent elements by removing any M elements from the array. The naïve approach to solving the problem is to pick total N − M array elements and check which set contains the minimum or maximum adjacent difference. The optimized approach uses the queue data structure to solve the problem. Problem statement : We have given an sorted array of numbers in sorted order. We have also given M. We need to remove M elements from the array such that we can minimize the maximum difference between the adjacent array ...
Read MoreIterative Method to Find Height of Binary Tree
The binary tree is a data structure. Each node of the binary tree contains either 0, 1, or 2 nodes. So, the binary tree can contain multiple levels. Here, we need to write the iterative code using the loops to find the height of the binary tree. The total number of levels in the binary tree represents the height of the binary tree. Alternatively, we can say that the maximum depth of the binary tree from the root node is the height of the binary tree. Problem statement − We have given a binary tree. We need to ...
Read MoreHow to Efficiently Implement k Queues in a Single Array?
In some cases, we need to implement our own data structure for better usability and customization. Here, we need to implement the K Queues using the single array. The first solution that comes to mind is dividing the array into N/K parts and using each part of the array as a queue. Here, N is the array length. The problem with this solution is that we can’t utilize the array's space properly. If the array is not full, but any Mth queue indexes are full, we can’t insert an element to the Mth queue. So, we need an optimized approach. ...
Read MoreOn Disk Data Structures
Data is stored persistently on hard drives or other storage media using on-disk data structures, enabling access and modification even after a system restart or power loss. The retrieval, storage, and manipulation of data on the disc, which normally has longer access times and less bandwidth than memory, are all optimized by these data structures. The types of on-disk data structures, storage formats, data compression methods, indexing methods, sorting algorithms, performance concerns, and applications will all be covered in this article. What are On Disk Data Structures? On-disk data structures describe how data is kept on a tangible storage medium, ...
Read MorePrint the node with the maximum degree in the prufer sequence
The node with the greatest degree within the Prufer grouping is the one that appears most often within the grouping. To discover it, we emphasise it through grouping and keep track of the frequencies of each hub. Once we have the frequencies, we select the hub with the most noteworthy recurrence as the hub with the maximum degree. This hub speaks to the leaf within the labelled tree. The Prufer grouping may be a one-of-a-kind representation of a labelled tree, where the maximum degree hub compares to the leaf that's included final amid the development preparation. By distinguishing this hub, ...
Read MorePrint the degree of every node from the given Prufer sequence
To print the degree of each hub from a given Prufer arrangement, ready to emphasise through the arrangement and tally the events of each node. By following the recurrence of each node, we will determine the degree of that hub within the corresponding labelled tree. This data gives insights into the network and structure of the tree. By printing the degree of each hub, you are ready to analyse the conveyance and distinguish imperative hubs. This examination makes a difference in understanding the properties and characteristics of the initial tree based on the Prufer arrangement representation. Methods Used Frequency ...
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