All Medium Articles
Alternate Odd and Even Nodes in a Singly Linked List
Given a singly linked list, rearrange the list so that even and odd nodes are alternate in the list.There are two possible forms of this… Read More
DSA
Linked List
Stack
RBS Interview Experience | Set 3 (On-Campus for Internship)
Recently RBS conducted their recruitment for their internship positions. 104 students sat for the process they were shortlisted on basis of CGPA. Round 1:Apti +… Read More
RBS
Experiences
Internship
Interview Experiences
Python 3 | Program to print double sided stair-case pattern
Below mentioned is the Python 3 program to print the double-sided staircase pattern. Examples: Input: 10Output: * * * * * * * * *… Read More
pattern-printing
DSA
Python Programs
School Programming
Program to build DFA that starts and end with ‘a’ from input (a, b)
DFA (Deterministic Finite Automaton or Acceptor) is a finite state machine that accepts or rejects strings of symbols. DFA accepts the string if it reaches… Read More
DSA
Strings
Segment Tree | (XOR of a given range )
Let us consider the following problem to understand Segment Trees.We have an array arr[0 . . . n-1]. We should be able to 1 Find the… Read More
Bitwise-XOR
Segment-Tree
Advanced Data Structure
DSA
C++ program to read file word by word
Given a text file, extract words from it. In other words, read the content of file word by word. Example :  Input: And in that… Read More
cpp-file-handling
C++ Programs
xargs command in Linux with examples
xargs is a Unix command which can be used to build and execute commands from standard input. Importance: Some commands like grep can accept input… Read More
linux-command
Linux-Shell-Commands
Linux-Unix
Microsoft Interview Experience | Set 160 (Off Campus)
Skype Round Discussion on projects and the current work. Print all the subsequences of string. Face to Face Interview Round 1 Check whether two strings… Read More
Microsoft
Off-Campus
Experiences
Interview Experiences
How to include graphics.h in CodeBlocks?
Compiling graphics codes on CodeBlocks IDE shows an error: “Cannot find graphics.h”. This is because graphics.h runs is not available in the library folder of… Read More
computer-graphics
C++
Misc
Data Replication in DBMS
Data Replication is the process of storing data in more than one site or node. It is useful in improving the availability of data. It… Read More
DBMS
Misc
PayU Interview Experience | Set 7 (On Campus)
Online Test : Ten Questions were asked . Five of these are MCQs on DSA . Two of the remaining five correct  the Syntax questions… Read More
Payu
Experiences
Interview Experiences
Puzzle | Upside-Down Glasses
There are n glasses on the table, all standing upside down. In one move, you are allowed to turn over exactly n – 1 of… Read More
Logical Puzzles
Misc
Puzzles
Minimum moves to reach target on a infinite line | Set 2
Given a target position on the infinite number line, (-infinity to +infinity). Starting form 0 you have to reach the target by moving as described:… Read More
Flipkart
Algorithms
DSA
Mathematical
Misc
Set all even bits of a number
Given a number, the task is to set all even bits of a number. Positions of bits are counted from LSB (least significant bit) to… Read More
Bit Magic
DSA
Qualcomm Interview Experience | Set 18 (On-Campus Internship)
Qualcomm visited our campus to hire software interns. The process had three rounds. Round 1: Logical reasoning and Technical test In this round, there were 60 questions… Read More
Qualcomm
Experiences
Internship
Interview Experiences
Balanced expressions such that given positions have opening brackets
Given an integer n and an array of positions ‘position[]’ (1 <= position[i] <= 2n), find the number of ways of proper bracket expressions that… Read More
DSA
Dynamic Programming
Path length having maximum number of bends
Given a binary tree, find the path length having maximum number of bends. Note: Here, bend indicates switching from left to right or vice versa while… Read More
DSA
Tree
Directi interview experience | Set 25 (Off campus for Platform Engineer)
Method of applying : I applied to Directi via employee referral. Round 1: Online coding round (Codechef , 90 minutes) Problem 1 : Easy, Adhoc Statement… Read More
Directi
Off-Campus
Experiences
Interview Experiences
Tilt of Binary Tree
Given a binary tree, return the tilt of the whole tree. The tilt of a tree node is defined as the absolute difference between the… Read More
DSA
Tree
Modular multiplicative inverse from 1 to n
Give a positive integer n, find modular multiplicative inverse of all integer from 1 to n with respect to a big prime number, say, ‘prime’.… Read More
GCD-LCM
Modular Arithmetic
number-theory
DSA
Mathematical
Misc
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