Given an integer n and two-bit positions p1 and p2 inside it, swap bits at the given positions. The given positions are from the least… Read More

Given a number n, find sum of digits in all numbers from 1 to n. Examples: Input: n = 5 Output: Sum of digits in numbers… Read More

L U decomposition of a matrix is the factorization of a given square matrix into two triangular matrices, one upper triangular matrix and one lower… Read More

1st Round – 1. Write code to create a copy of linked list with random pointer. 2. Print left side view of a binary tree.… Read More

Consider a RAM organized in blocks. There are multiple processes running on the system. Every application gets below information. (Thread T, Memory Block M, time… Read More

A Set is an unordered collection of objects, known as elements or members of the set. An element ‘a’ belong to a set A can… Read More

Design the entire bowling alley system. One bowling game will be played by multiple players on a single lane. During the game,players and their scores… Read More

There were 4 rounds Short Story – First Round – Online Round (3 coding questions 90 min) Second Round – Skype Interivew (Data Structure and… Read More

Telephonic: JD (Job Description) What are storage classes (Explained all different kinds of storage classes) Whats register How static affects life and scope of a… Read More

There were six rounds. Short Story- First – online (10 MCQ and 5 coding questions, 90 min) Second – Algorithms Third – Technical Fourth –… Read More

Recently I got interviewed at infoedge for PHP-MYSQL (LAMP) developer profile their naukri .com site. Round 1 It was a written round: 7 ques, 20… Read More

There were two questions. Q 1. Given N and N elements Find the number of distinct sums. For example: 3 1, 2, 3 Possible sums… Read More

Round 1: Machine Coding Q. In a regular expression, * represents 0 or more repetitions for preceding character. & represents the regex preceeding it is… Read More

Prerequisite : Introduction to Propositional Logic Introduction Consider the following example. We need to convert the following sentence into a mathematical statement using propositional logic… Read More

Skype round 1: (10 min) Print a tree in zigzag order. For Example for the given input tree:- 1 2 3 4 5 6 7… Read More

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