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Traversal

81 posts

Traversal in Array

Last Updated: 19 February 2025

Traversal in an array refers to the process of accessing each element in the array sequentially, typically to perform a specific operation, such as searching, sorting, or ...read more

Restoring BST Structure from Leaf Removal Sequences

Last Updated: 23 July 2025

Given a sequence of strings representing the leaf nodes removed from a Binary Search Tree (BST) in multiple iterations, reconstruct the original BST and print its pre-orde...read more

Binary Search Tree

Matrix Spiral Traversal starting from given Coordinates

Last Updated: 23 July 2025

Given the order of the matrix N and M, and a source location (X, Y), the task is to find all the coordinates of the matrix in order when visited in clockwise spiral order(...read more

article_image

Pattern Searching

Find maximum GCD value from root to leaf in a Binary tree

Last Updated: 15 July 2025

Given a Binary Tree, the task is to find the maximum value of GCD from any path from the root node to the leaf node.Examples:Input: Below is the given tree:Output: 3Explan...read more

article_image

Preorder Traversal

Data Structures

Data Structures-Tree Traversals

Tree Traversals

Minimum steps to convert all top left to bottom right paths in Matrix as palindrome | Set 2

Last Updated: 15 July 2025

Given a matrix mat[][] with N rows and M columns. The task is to find the minimum number of changes required in the matrix such that every path from top left to bottom rig...read more

Dynamic Programming

Algorithms-Dynamic Programming

Check if the Binary Tree contains a balanced BST of size K

Last Updated: 15 July 2025

Given a Binary Tree and a positive integer K. The task is to check whether the Balanced BST of size K exists in a given Binary Tree or not. If it exists then print “Yes” e...read more

Binary Search Tree

PostOrder Traversal

Tree Traversals

Binary Search Trees

Level order traversal in spiral form using stack and multimap

Last Updated: 15 July 2025

Given a binary tree of N nodes, the task is to print level order traversal in a spiral form. In spiral form, nodes at the first and second level of tree are printed normal...read more

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Min number of moves to traverse entire Matrix through connected cells with equal values

Last Updated: 27 May 2021

Given a matrix A[][] of dimension N*M, the task is to find the minimum number of moves required to traverse the entire matrix starting from (0, 0) by traversing connected ...read more

Minimum steps to convert all paths in matrix from top left to bottom right as palindromic paths | Set 2

Last Updated: 15 July 2025

Given a matrix mat[][] with N rows and M columns. The task is to find the minimum number of changes required in the matrix such that every path from top left to bottom rig...read more

frequency-counting

Minimum steps to convert all paths in matrix from top left to bottom right as palindromic paths

Last Updated: 15 July 2025

Given a matrix mat[][] with N rows and M columns. The task is to find the minimum number of changes required in the matrix such that every path from top left to bottom rig...read more

CS – Placements

Replace every node of a Linked list with the next greater element on right side

Last Updated: 12 July 2025

Given a linked list, the task is to find the Next Greater Element for every node of the linked list.Note: For nodes with no next greater element, store -1 in the result.Ex...read more

Arrange numbers 1 to N^2 in a Zig-Zag Matrix in ascending order

Last Updated: 15 July 2025

Given a positive integer N, the task is to print an N × N zig-zag matrix consisting of numbers from 1 to N2, such that the ZigZag traversal of the matrix yields the number...read more

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pattern-printing

How to Iterate Through a Vector Without Using Iterators in C++?

Last Updated: 15 July 2025

In this article, we will learn how to iterate through the vector without using iterator in C++.The most efficient method to iterate through the vector without using iterat...read more

cpp-containers-library

Common operations on various Data Structures

Last Updated: 28 July 2025

Data Structure is the way of storing data in computer's memory so that it can be used easily and efficiently. There are different data-structures used for the storage of d...read more

Data Structures

Maximum strength in a Matrix after performing specified operations

Last Updated: 12 July 2025

Given a matrix of N * M containing {0, 1, #}. The task is to find the maximum value of strength based on following rules:Initial strength is zero.If you encounter a 0, Str...read more