Similar Topics

DSA

20.6k+ articles

Arrays

6.4k+ articles

Tree

1.3k+ articles

Matrix

1.2k+ articles

Linked List

1k+ articles

Recursion

970+ articles

Data Structures

810+ articles

Binary Tree

320+ articles

Binary Search Tree

230+ articles

tree-level-order

120+ articles

Traversal

70+ posts

Popular articles

Recent articles

Common operations on various Data Structures

Last Updated: 27 March 2023

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

Binary Search Tree

Data Structures

Data Structures

How to iterate through a Vector without using Iterators in C++

Last Updated: 01 June 2020

Prerequisite: C++ STL, Iterators in C++ STLThe iterator is not the only way to iterate through any STL container. There exists a better and efficient way to iterate throug ...read more

cpp-containers-library

How to iterate over a 2D list (list of lists) in Java

Last Updated: 17 March 2020

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 list of lists, i.e. each row of the list is another list.[ [5, ...read more

Similar Topics

DSA

20.6k+ articles

Arrays

6.4k+ articles

Tree

1.3k+ articles

Matrix

1.2k+ articles

Linked List

1k+ articles

Recursion

970+ articles

Data Structures

810+ articles

Binary Tree

320+ articles

Binary Search Tree

230+ articles

tree-level-order

120+ articles

Delete Nth node from the end of the given linked list

Last Updated: 15 April 2023

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:Input: 2 - 3 - 1 - 7 - NULL, N = 1Output:The create ...read more

Delete a Linked List

Search a node in Binary Tree

Last Updated: 08 September 2022

Given a Binary tree and a node. The task is to search and check if the given node exists in the binary tree or not. If it exists, print YES otherwise print NO.Given Binary...read more

Preorder Traversal

Print nodes of linked list at given indexes

Last Updated: 11 January 2023

Given a singly linked list[Tex]l1[/Tex]which is sorted in ascending order and another singly linked list[Tex]l2[/Tex]which is unsorted. The task is to print the elements o ...read more

Sum of the nodes of a Singly Linked List

Last Updated: 11 January 2023

Given a singly linked list. The task is to find the sum of nodes of the given linked list. Examples:Input: 7-6-8-4-1Output: 26Sum of nodes:7 + 6 + 8 + 4 + 1 = 26Input: 1-7...read more

Data Structures-Linked List

Algorithms-Recursion

Convert a String to Integer Array in C/C++

Last Updated: 14 June 2023

Given a string str containing numbers separated with ", ". The task is to convert it into an integer array and find the sum of that array. Examples:Input : str = "2, 6, 3 ...read more

ZigZag Tree Traversal

Last Updated: 03 October 2023

Write a function to print ZigZag order traversal of a binary tree. For the below binary tree the zigzag order traversal will be 1 3 2 7 6 5 4.Recommended PracticeZigZag Tr...read more

Construct BST from its given level order traversal

Last Updated: 11 May 2023

Construct the BST (Binary Search Tree) from its given level order traversal.Examples:Input: arr[] = {7, 4, 12, 3, 6, 8, 1, 5, 10}Output: BST: 7 / \ ...read more

Binary Search Tree

tree-level-order

Sum of nodes on the longest path from root to leaf node

Last Updated: 15 June 2023

Given a binary tree containing n nodes. The problem is to find the sum of all nodes on the longest path from root to leaf node. If two or more paths compete for the longes ...read more

Program to print Sum of even and odd elements in an array

Last Updated: 31 March 2023

Prerequisite - Array BasicsGiven an array, write a program to find the sum of values of even and odd index positions separately.Examples:Input : arr[] = {1, 2, 3, 4, 5, 6} ...read more

Basic Coding Problems

Find median of BST

Last Updated: 21 February 2023

Given a Binary Search Tree, find the median of it.If number of nodes are even: then median = ((n/2th node + ((n)/2th+1) node) /2If number of nodes are odd: then median = (...read more

Order-Statistics

Binary Search Tree

statistical-algorithms

Find sum of all left leaves in a given Binary Tree

Last Updated: 10 March 2023

Given a Binary Tree, find the sum of all left leaves in it. For example, sum of all left leaves in below Binary Tree is 5+1=6.Recommended PracticeSum of Left Leaf NodesTry...read more

Traversal of Circular Linked List

Last Updated: 22 February 2023

We have discussed Circular Linked List Introduction and Applications, in the previous post on Circular Linked List. In this post, traversal operation is discussed.Recommen...read more

circular linked list