All Hard Articles
How to create a basic button in React Native ?
React Native is an open-source UI software framework created by Meta Platforms, Inc. It is used to develop applications for Android, Android TV, iOS, etc.… Read More
Picked
React-Native
ReactJS
Web Technologies
Replace every array element with maximum of K next and K previous elements
Given an array arr, the task is to replace each array element by the maximum of K next and K previous elements. Example: Input: arr[]… Read More
array-rearrange
Segment-Tree
Arrays
DSA
Mathematical
Tree
Flip the given Matrix along both diagonals in clockwise direction
Given a matrix arr[][] of size M*N, where M is the number of rows and N is the number of columns. The task is to… Read More
DSA
Matrix
Repeat substrings of the given String required number of times | Set 2 (Recursion)
Given string str, the task is to repeat every substring of the string X number of times where X is the number composed of the… Read More
Algo-Geek 2021
substring
Algo Geek
DSA
Recursion
Strings
Check if an edge is a part of any Minimum Spanning Tree
Given a connected undirected weighted graph in the form of a 2D array where each row is of the type [start node, end node, weight]… Read More
Algo-Geek 2021
MST
Algo Geek
DSA
Graph
Calculate the area of the trapezium if the length of parallel sides is 40 cm and 20 cm and non-parallel sides are equal having the lengths of 26 cm.
Mensuration deals with the quantities pertaining to various geometrical shapes and their measurement. It can be classified into two types: mensuration 2D and mensuration 3D.… Read More
Picked
Mathematics
Maths MAQ
School Learning
Compare two Linked List of Strings
Given two linked lists L1 and L2 in which in every node a string is stored. The task is to check whether the strings combining… Read More
Algo-Geek 2021
Algo Geek
DSA
Linked List
Strings
Minimize removals in given Array to make max less than twice of min
Given an integer array arr[]. The task is to minimize the number of removals required such that the maximum element in arr[] becomes less than… Read More
Algo-Geek 2021
Algo Geek
Arrays
DSA
Greedy
Servlet – Page Redirection
Programming for a website is an art. To provide the view in an eminent manner, numerous steps are getting taken. Usually, a client(A simple JSP… Read More
java-servlet
Picked
Java
Check if a Matrix can be superimposed on the given Matrix
Given a matrix letter[][] of size N * M, composed of ‘#’ and ‘*’ and another matrix stamp[][] of size X * Y containing only… Read More
DSA
Matrix
Pattern Searching
InfoEdge Interview Experience | On-Campus 2021
Round 1 (Screening Round): This was an MCQ Round of 40 min with 2 sections (core computer science technical questions and aptitude questions) having sectional… Read More
InfoEdge
On-Campus
Experiences
Interview Experiences
Maximum count of pairs such that element at each index i is included in i pairs
Given an array arr[] and an integer N, the task is to find the maximum number of pairs that can be formed such that ith… Read More
Algo-Geek 2021
priority-queue
Algo Geek
Arrays
Combinatorial
DSA
Greedy
Queue
Spring Boot – CRUD Operations using MySQL Database
CRUD stands for Create, Read/Retrieve, Update and Delete and these are the four basic operations that we perform on persistence storage. CRUD is data-oriented and… Read More
Java-Spring-Boot
mysql
Java
Find elements in given Array that are a factor of sum of remaining elements
Given an array A[] of size N, the task is to find the elements in the array which are factors of the sum of the… Read More
Algo-Geek 2021
factor
Algo Geek
DSA
Mathematical
Minimum operations to convert an Array into a Permutation of 1 to N by replacing with remainder from some d
Given an array arr[] of size N, the task is to find the minimum number of operations to convert the array into a permutation of… Read More
Algo-Geek 2021
permutation
Algo Geek
Arrays
DSA
Greedy
Print longest Subsequence such that difference between adjacent elements is K
Given an array arr[] of size N, and integer K. The task is to find the longest subsequence with the difference between adjacent elements as… Read More
Algo-Geek 2021
Java-HashMap
subsequence
Algo Geek
Arrays
DSA
Hash
Goldman Sachs Interview Experience for Software Engineer (Analyst) | 2+ Years Experienced
Recruiter contacted me through Linkedin and after 2 days I received the OA link. Round 1 (Online Assessment – HackerRank – 90 mins): Two medium… Read More
Goldman Sachs
Marketing
Experienced
Experiences
Interview Experiences
NCR Corporation Interview Experience for SDE (On-Campus)
Round 1(Online Coding – Platform: HackerRank): Date: 12th Oct 2021 20 MCQ’s based on OS, DBMS, Data Structures and Algorithms Two Coding questions based on… Read More
NCR Corporation
On-Campus
Experiences
Interview Experiences
Technological and Institutional Reforms of Indian Agriculture
Reform is the engine of development, without which no amount of fuel (money) can make things move forward. Since India is a “Krishi Pradhan Desh“,… Read More
Geography
UPSC
Sum of length of paths from every node to all other nodes using Tree Rerooting technique
For every node in an undirected tree, find the sum of length of paths from it to all other nodes, using Tree Rerooting technique. Rerooting… Read More
DSA
Dynamic Programming
Tree
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