How to iterate over a 2D list (list of lists) in Java
Given a 2D list, the task is to iterate this 2D list in Java. 2D list (list of lists) The 2D list refers to a… Read More »
Tag Archives: Traversal
Vertical Order Traversal in Strings
Given a string str consisting of multiple words separated by space, the task is to print the vertical order traversal of this string. Vertical order… Read More »
Remove all special characters from a singly Linked List
Given a singly linked list where each node represents a character including special characters, the task is to remove all the occurrences of special characters… Read More »
Finding the converging element of the diagonals in a square matrix
Given a square matrix, the task is to find the element of the matrix where the right and the left diagonal of this square matrix… Read More »
Traverse Linked List from middle to left-right order using recursion
Given a Linked List. The task is to traverse the Linked List from middle to left-right order using recursion. For Example: If the given Linked… Read More »
Print all the peaks and troughs in an Array of Integers
Given an array of integers arr[], the task is to print a list of all the peaks and another list of all the troughs present… Read More »
Remove Nth node from end of the Linked List
Given a linked list. The task is to remove the Nth node from the end of the linked list. Examples: Input : 1->2->3->4->5 , N… Read More »
Maximum sum of the array after dividing it into three segments
Given an array a of size N. The task is to find the maximum sum of array possible by dividing the array into three segments… Read More »
Delete Nth node from the end of the given linked list
Given a linked list and an integer N, the task is to delete the Nth node from the end of the given linked list. Examples:… Read More »
Find the node with minimum value in a Binary Search Tree using recursion
Given a Binary Search Tree, the task is to find the node with minimum value. Examples: Input: Output: 4 Recommended: Please try your approach on… Read More »
Find the balanced node in a Linked List
Given a linked list, the task is to find the balanced node in a linked list. A balanced node is a node where the sum… Read More »
Print all the super diagonal elements of the given square matrix
Given a square matrix mat[][] of size n * n. The task is to print all the elements which lie on the super-diagonal of the… Read More »
Print all the sub diagonal elements of the given square matrix
Given a square matrix mat[][] of size n * n. The task is to print all the elements which lie on the sub-diagonal of the… Read More »
Count duplicates in a given linked list
Given a linked list. The task is to count the number of duplicate nodes in the linked list. Examples: Input: 5 -> 7 -> 5… Read More »
Create new linked list from two given linked list with greater element at each node
Given two linked list of the same size, the task is to create a new linked list using those linked lists. The condition is that… Read More »
