All Hard Articles

Amazon Campus Drive (For Semester-Long-Internship)

Round 1: Online Test (Duration : 2 hours 30 minutes) It had around 20 Multiple Choice Questions related to fundamentals of Computer Science and 2… Read More

Experiences

Interview Experiences

Oracle Interview Experience (On-Campus for OFSS)

Oracle visited our campus for recruiting an Associate Application Developer, for Oracle’s part of OFSS.There were 4 rounds for the whole processOnline TestTechnical Round-1Technical Round-2HR… Read More

Experiences

Interview Experiences

Subtraction of two numbers using 2’s Complement

Given two numbers a and b. The task is to subtract b from a by using 2’s Complement method.Note: Negative numbers represented as 2’s Complement… Read More

Algorithms-Bit Algorithms

Bit Algorithms

complement

school-programming

C++ Programs

DSA

School Programming

FactSet Interview Experience | (On-Campus)

Factset visited our college in August, 2018 and allowed “C.S.E”, “IT”, “ECE” to sit in their recruitment test. Round 1: The first round was a… Read More

Experiences

Interview Experiences

Subarray whose absolute sum is closest to K

Given an array of n elements and an integer K, the task is to find the subarray with minimum value of ||a[i] + a[i +… Read More

Constructive Algorithms

Greedy Algorithms

Picked

prefix-sum

sliding-window

subarray

subarray-sum

Arrays

DSA

Greedy

Program to find all match of a regex in a string

Prerequisite: smatch | Regex (Regular Expressions) in C++ Given a regex, the task is to find all regex matches in a string. Without using iterator: … Read More

C++

C++ Programs

Oyo Rooms – Interview experience – SDE-1(On-Campus)

Oyo conducted placement drive for SDE -1 at our college ( LNMIIT ). They first conducted the online round Online round consisted of 2 coding… Read More

Experiences

Interview Experiences

regex_replace in C++ | Replace the match of a string using regex_replace

std::regex_replace() is used to replace all matches in a string, Syntax: regex_replace(subject, regex_object, replace_text) Parameters: It accepts three parameters which are described below: Subject string… Read More

C++

C++ Programs

Adobe Interview Experience

Qualification round (Online round held on Hackerrank) : This round had 2 parts – coding and aptitude. There were three questions in the coding part:-… Read More

Experiences

Interview Experiences

Eggs dropping puzzle (Binomial Coefficient and Binary Search Solution)

Given n eggs and k floors, find the minimum number of trials needed in worst case to find the floor below which all floors are… Read More

Misc

MakeMyTrip interview experience 2018

Interview was for Bangalore location. Candidates were called to the office. Questions ere straightforward but not sure of their expectations. There were lot of candidates,… Read More

Experiences

Interview Experiences

Parsing Apache access log in Java

Web server log which maintains a history of page requests, typically appended to the end of the file. Information about the request, including client IP… Read More

DSA

Hash

Java Programs

Strings

Mutation Algorithms for String Manipulation (GA)

Genetic Algorithms(GAs) are adaptive heuristic search algorithms that belong to the larger part of evolutionary algorithms. In each generation chromosomes(our solution candidates) undergo mutation and… Read More

Genetic Algorithms

Algorithms

DSA

Grofers Interview Experience

Round 0: Coding Assignment A document was shared containing 2 questions: You would have used the feature of Google maps in which you put in… Read More

Experiences

Interview Experiences

OYO Rooms Interview Experience (On Campus) 2018

Coding Round: It had 20 MCQ’s and 2 coding questions. Total marks were 161 out of which 130 were of 2 coding problems and rest… Read More

Experiences

Interview Experiences

Inheritance in Python | Set 2

Prerequisite : basics of inheritance in Python, Inheritance, examples of object, issubclass and super There are 2 built-in functions in Python that are related to… Read More

Misc

C++ program to find the type of the given iterator

Given a program that uses an iterator, the task is to find the type of iterator used. Examples: Input : vector.begin() Output : Random_Access Iterator… Read More

C++-Templates

cpp-iterator

cpp-operator

STL

C++

UGC-NET | UGC NET CS 2018 July – II | Question 61

In RDBMS, which type of Join returns all rows that satisfy the join condition? (A) Inner Join (B) Outer Join (C) Semi Join (D) Anti… Read More

UGC-NET

Mathematics | Generating Functions – Set 2

Prerequisite – Generating Functions-Introduction and Prerequisites In Set 1 we came to know basics about Generating Functions. Now we will discuss more details on Generating Functions… Read More

Picked

Engineering Mathematics

GATE CS

NPDA for L = {0ⁱ1^j2^k | i==j or j==k ; i , j , k >= 1}

Prerequisite – Pushdown automata, Pushdown automata acceptance by final state The language L = {0i1j2k | i==j or j==k ; i , j , k… Read More

GATE CS

Theory of Computation