All Hard Articles

Flipkart Interview Experience | Set 53 (Senior software developer)

It was 2 day process. First day: 1> Hackerrank test (2 problems): Problem 1: Given an array find if array gets sorted by reversing any… Read More

Misc

Create a database on Relational Database Service (RDS) of Amazon Web Services(AWS)

Make a database on cloud platform using AWS (Amazon Web Services). Introduction to Cloud Cloud computing is an information technology paradigm that enables ubiquitous access… Read More

Amazon Web Services

DBMS

DevOps

Web Technologies

Program to find Simple Interest and Compound Interest in PL/SQL

Prerequisite – PL/SQL introduction In PL/SQL code groups of commands are arranged within a block. A block group related declarations or statements. In declare part,… Read More

SQL-PL/SQL

SQL

Algorithms Quiz | Sudo Placement : Set 1 | Question 5

What will be the output of following C program? main() { char g[] = "geeksforgeeks"; printf("%s", g + g[6] - g[8]); } (A) geeks (B)… Read More

DSA Quiz

Vocera Interview Experience for Internship

I applied internship through University/Collage. Round 1:Online Test The Test was conducted on Hackerearth. Test consists of(23 MCQ’s and 2 programming) Exam time was 1hr… Read More

Experiences

Internship

Minimum number of prefix reversals to sort permutation of first N numbers

Given N numbers that have a permutation of first N numbers. In a single operation, any prefix can be reversed. The task is to find… Read More

BFS

cpp-pair

cpp-queue

Permutation and Combination

Sorting Quiz

Algorithms

DSA

ISRO | ISRO CS 2018 | Question 69

A hash table with 10 buckets with one slot per bucket is depicted here. The symbols, S1 to S7 are initially entered using a hashing… Read More

ISRO

ISRO | ISRO CS 2018 | Question 60

Consider the following program main() { int x = 1; printf ("%d", (*char(char *)&x)) ; } Assuming required header files are included and if the… Read More

ISRO

ISRO | ISRO CS 2018 | Question 53

Consider the following code segment: int f (int x) { if (x < 1) return 1; else return (f(x-1) + g(x)) } int g (int… Read More

Compute power of power k times % m

Given x, k and m. Compute (xxxx…k)%m, x is in power k times. Given x is always prime and m is greater than x. Examples: … Read More

Algorithms-Recursion

euler-totient

maths-power

Modular Arithmetic

sieve

DSA

Mathematical

Securing Routing Protocols

Prerequisite – Routing Information Protocol (RIP), EIGRP fundamentals, OSPF protocol fundamentals Routing is a process in which a layer 3 device (either router or layer 3… Read More

Computer Networks

ISRO | ISRO CS 2018 | Question 35

A particular BNF definition for a \”word\” is given by the following rules. Which of the following lexical entries can be derived from < word… Read More

ISRO

ISRO | ISRO CS 2018 | Question 6

Consider the following C code segment: #include main() { int i, j , x ; scanf("%d", &x); i = 1 ; j = 1; while… Read More

ISRO

Amazon Interview Experience | Set 433 (SDE 2 for Experienced)

Round 1 What is caching and how it is used. Types of cache eviction policies. Any cache you might have used for your project. Explain.… Read More

Experienced

Experiences

Interview Experiences

Find the probability of reaching all points after N moves from point N

Given N which denotes the initial position of the person on the number line. Also given L which is the probability of the person of… Read More

Probability

DSA

Dynamic Programming

CSS Height and Width

Height and Width in CSS are used to set the height and width of boxes. Its value can be set using length, percentage, or auto.… Read More

CSS

Web Technologies

Hashtable size() Method in Java

The java.util.Hashtable.size() method of Hashtable class is used to get the size of the table which refers to the number of the key-value pair or… Read More

Java-HashTable

Java

Extended Mo’s Algorithm with ≈ O(1) time complexity

Given an array of n elements and q range queries (range sum in this article) with no updates, task is to answer these queries with… Read More

array-range-queries

cpp-vector

Advanced Data Structure

Algorithms

Competitive Programming

DSA

Searching

JavaScript Date toLocaleDateString() Method

The toLocaleDateString() method in JavaScript is used to convert the date and time of a Date object to a string representing the date portion using… Read More

javascript-date

JavaScript-Methods

JavaScript

Web Technologies

8086 program to sort an integer array in descending order

Problem – Write a program in 8086 microprocessor to sort numbers in descending order in an array of n numbers, where size “n” is stored… Read More

microprocessor

system-programming

Computer Organization & Architecture