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Find the number of points that have atleast 1 point above, below, left or right of it

Given N points in a 2-dimensional plane. A point is said to be above another point if the X coordinates of both points are same… Read More

Algorithms

Arrays

DSA

Geometric

GATE | GATE CS 2019 | Question 4

The police arrested four criminals – P, Q, R and S. The criminals knew each other. They made the following statements: P says “Q committed… Read More

GATE

GATE | GATE CS 2019 | Question 2

The search engine’s business model ________ around the fulcrum of trust. (A) revolves (B) plays (C) sinks (D) bursts Answer: (A) Explanation: revolve: move in… Read More

GATE

Infosys Power Programmer Role Interview Experience

Infosys organized one event #HackWithInfy for last year students of B.Tech. There were total three rounds in this competition and you will get a PPI… Read More

Experiences

Interview Experiences

Create a Pandas Series from array

Pandas Series is a one-dimensional labelled array capable of holding any data type (integers, strings, floating point numbers, Python objects, etc.). It has to be… Read More

pandas-series-program

Picked

Python pandas-series

Python-pandas

Python

HTML DOM Style transform Property

The HTML DOM style transform property is used to transform the object. The transform property allows to rotate, scale, move, skew, etc of an element.… Read More

HTML-DOM

Picked

HTML

Web Technologies

Sum of minimum elements of all possible sub-arrays of an array

Given an array arr[], the task is to find the sum of the minimum elements of every possible sub-array of the array. Examples: Input: arr[]… Read More

Algorithms

C++ Programs

Data Structures

DSA

Stack

Sum of maximum elements of all possible sub-arrays of an array

Given an array arr[], the task is to find the sum of the maximum elements of every possible sub-array of the array. Examples: Input: arr[]… Read More

Algorithms

C++ Programs

Data Structures

DSA

Stack

Java Program to print distinct permutations of a string

Given a string str, the task is to print all the distinct permutations of str. A permutation is an arrangement of all or part of a… Read More

Java-ArrayList

Backtracking

Combinatorial

DSA

Java Programs

Recursion

Strings

Wipro National Elite Talent Hunt 2019 Interview Experience

Round 1: Aptitude Round The Aptitude round consists of the following sections:- Quantitative Aptitude Reasoning Coding Essay Writing The quantitative aptitude and reasoning questions are easy… Read More

Experiences

Interview Experiences

Use of Callbacks in Layered Architecture

From OSI model of network to Operating System, any daily life project is based on layered architecture. Ever thought how the abstraction between upper layers… Read More

Technical Scripter 2018

Computer Networks

Adobe Interview for Summer Internship 2019

I am going to share pinpointed details of my interview experience as they are fresh in my mind. So, It was a TELEPHONIC round. The interviewer… Read More

Experiences

Interview Experiences

Java ArrayList to print all possible words from phone digits

Given a keypad of a mobile, and keys that need to be pressed, the task is to print all the words which are possible to… Read More

Java-ArrayList

Backtracking

Competitive Programming

DSA

Java Programs

Strings

Passing and Returning Objects in C++

In C++ we can pass class’s objects as arguments and also return them from a function the same way we pass and return other variables.… Read More

C++

C++ Programs

United Health Group (Optum) Interview Experience (On-Campus 2017)

Code in written test : 1) Sort the array pair wise 2) Mirror of the binary tree 3) longest common subsequence Interview: 1) create the… Read More

Experiences

Interview Experiences

Amazon SDE-2 Experience (6.5 Years Exp)

I went through Amazon interview experience. This is my Exp Round 1(telephonic): 1. Print nodes at K distance in BT 2. Sort array when it… Read More

Experiences

Interview Experiences

Iterative Method To Print Left View of a Binary Tree

Given a Binary Tree, print it’s left view. Left view of a Binary Tree is a set of nodes visible when tree is seen from… Read More

Binary Tree

tree-level-order

Data Structures

DSA

Queue

Tree

Sum of all the Boundary Nodes of a Binary Tree

Given a binary tree, the task is to print the sum of all the boundary nodes of the tree. Examples: Input: 1 / \ 2… Read More

Binary Tree

tree-traversal

Data Structures

DSA

Tree

Amazon Interview Experience SDE 1 (2.5 Years Experienced)

Got a message from HR on Linkedin that my profile has been shortlisted for SDE-2 profile He sent me Invite for Interview in Amazon Gurgaon… Read More

Experiences

Interview Experiences

Count the number of common divisors of the given strings

Given two strings a and b, the task is to count the number of common divisors of both the strings. A string s is a… Read More

math

prefix

substring

Algorithms

DSA

Strings