Search Element in Linked List
someone
February 06, 2021
In this article you will see how we can search element in linked list. We will see both iterative and recursive way of doing this. Inserti...Read More
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Data Structures
Count nodes in Linked List
someone
February 06, 2021
We will insert all element of linked list in beginning & then simply traverse the linked list and keep counter to count the length. At l...Read More
Primitive Operations
someone
February 06, 2021
This article has Primitive operation of linked list. Below script has code for insertion in beginning, insertion in end, printing linked lis...Read More
Print matrix in spiral form
someone
September 27, 2020
Question : The question is pretty much clear that we have to print the matrix in spiral form. So for this we will take four pointers pointi...Read More
Insertion in unsorted array
someone
August 31, 2020
Problem Statement : Given unsorted array & element to insert. WAP to insert that element to its correct position. Approach 1) Sor...Read More
Vertical Order Traversal of a Binary Tree
someone
August 10, 2020
This is a LeetCode question asked by Facebook, Amazon, Apple, Google & Microsoft. Basically in this question we have to traverse the...Read More
Preorder Traversal
someone
August 09, 2020
Postorder traversal is accessing root then left then right Related : Inorder , postorder and levelorder traversal. Also check : Tre...Read More
Check if both binary tree are equal
someone
August 07, 2020
In this we have to check whether given two trees are equal or not. It is also present in LeetCode. Question In this we have to return boo...Read More
Inorder Traversal
someone
August 07, 2020
Inorder traversal is accessing left then root then right #include <bits/stdc++.h> using namespace std; class Node { p...Read More
Postorder Traversal
someone
August 07, 2020
Postorder traversal is accessing left then right then root #include <bits/stdc++.h> using namespace std; class Node { ...Read More
Levelorder Traversal
someone
August 07, 2020
In this with the help of queue we print element from left to right. We move from one level to the next & store left node element unt...Read More
Tree Introduction
someone
August 07, 2020
Declaration of tree can be divided in three parts : Create class with data, left & right pointer Node function which initialize data,...Read More
Sum of N Even number using Recursion
someone
August 04, 2020
Given number N, task is to find the sum 2 + 4 + 6 + ... + n. Using Recursion. Note : This Problem is part of Recursion series . Make s...Read More
Data Structures
someone
August 04, 2020
This page contains detailed tutorials on different data structures (DS) with topic-wise problems. Topics : Array What is Array? ...Read More
Sum of N Natural number
someone
August 04, 2020
Given number N, task is to find the sum 1 + 2 + 3 + ... + n. Using Recursion. Example : Input : 5 Output : 15 Approach : Ti...Read More
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