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spiral

26 posts

Print a singly linked list in spiral order

Last Updated: 23 July 2025

Given a Linked list, the task is to print a singly linked list in a spiral fashion, starting from the mid and rotating clockwise. If the linked list has even nodes, then y...read more

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Create Spiral Matrix from Array

Last Updated: 23 July 2025

Given an arrayarr[]and two valuesn and m, the task is to fill amatrixof sizen*min aspiral (or circular)fashion (clockwise) with given array elements.Examples: Input: n = 4...read more

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Pattern Searching

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Java Program to Print a given matrix in reverse spiral form

Last Updated: 23 July 2025

Given a 2D array, print it in reverse spiral form. We have already discussed Print a given matrix in spiral form. This article discusses how to do the reverse printing. Se...read more

pattern-printing

PHP Program to Print a given matrix in reverse spiral form

Last Updated: 23 July 2025

Given a 2D array, print it in reverse spiral form. We have already discussed Print a given matrix in spiral form. This article discusses how to do the reverse printing. Ex...read more

pattern-printing

Python Program to Print a given matrix in reverse spiral form

Last Updated: 23 July 2025

Given a 2D array, print it in reverse spiral form. We have already discussed Print a given matrix in spiral form. This article discusses how to do the reverse printing. Se...read more

pattern-printing

Javascript Program to Print a given matrix in reverse spiral form

Last Updated: 23 July 2025

Given a 2D array, print it in reverse spiral form. We have already discussed Print a given matrix in spiral form. This article discusses how to do the reverse printing. Se...read more

C++ Program to Print a given matrix in reverse spiral form

Last Updated: 23 July 2025

Given a 2D array, print it in reverse spiral form. We have already discussed Print a given matrix in spiral form. This article discusses how to do the reverse printing. Se...read more

pattern-printing

Print boundary elements of a given matrix in clockwise manner

Last Updated: 23 July 2025

Given a matrix arr[][] of size N * M, the task is to print the boundary elements of the given matrix in a clockwise form.Examples:Input: arr[][] = {{1, 2, 3}, {4, 5, 6}, {...read more

Print matrix elements diagonally in spiral form

Last Updated: 23 July 2025

Given a matrix arr[][] of dimensions N * M and an integer K, the task is to print all elements of the matrix starting from the top-left element up to K diagonally in spira...read more

pattern-printing

array-traversal-question

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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Create Spiral Matrix from Array using Direction Arrays

Last Updated: 12 July 2025

Given an array arr[] and two values n and m, the task is to fill a matrix of size n*m in a spiral (or circular) fashion (clockwise) with given array elements.Examples: Inp...read more

Convert given Matrix into sorted Spiral Matrix

Last Updated: 12 July 2025

Given a matrix, the task is to convert the given Matrix into sorted Spiral Matrix.Examples:Input: y[][] = { { 2, 5, 12 }, { 22, 54, 55 }, { 1, 6...read more

Recursive Program to Print extreme nodes of each level of Binary Tree in alternate order

Last Updated: 11 July 2025

Given a binary tree, the task is to print nodes of extreme corners of each level but in alternate order.Examples:Input : 1 / \ 2 3 / / \...read more

Reverse Clockwise spiral traversal of a binary tree

Last Updated: 11 August 2021

Given a Binary Tree. The task is to print the circular reverse clockwise spiral order traversal of the given binary tree.Reverse Clockwise Traversal means to traverse the ...read more

Tree Traversals

Print a given matrix in counter-clock wise spiral form

Last Updated: 05 December 2022

Given a 2D array, print it in counter-clock wise spiral form. See the following examples.Examples :Input: 1 2 3 4 5 6 7 8 9 10 11 12...read more

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