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Callable and Future in Java
Prerequisite: Threads, Multi-threading The need for Callable There are two ways of creating threads – one by extending the Thread class and other by creating… Read More
Java
Top 20 Backtracking Algorithm Interview Questions
N Queens Problem Warnsdorff’s Algorithm Word Break Problem Remove Invalid Parenthesis Match a pattern and string using regular expression Find Path from corner cell to… Read More
interview-preparation
placement preparation
Backtracking
DSA
Program to find Star number
A number is termed as star number, if it is a centered figurate number that represents a centered hexagram (six-pointed star) similar to chinese checker… Read More
series
DSA
Mathematical
Print colored message with different fonts and sizes in C
In C/C++ we can use graphics.h header file for creation of programs which uses graphical functions like creating different objects, setting the color of text,… Read More
C Language
School Programming
Temple Offerings
Consider a devotee wishing to give offerings to temples along with a mountain range. The temples are located in a row at different heights. Each… Read More
DSA
Dynamic Programming
Top 20 Greedy Algorithms Interview Questions
Greedy is an algorithmic paradigm that builds up a solution piece by piece, always choosing the next piece that offers the most obvious and immediate… Read More
Algorithms
DSA
Experiences
Greedy
Interview Experiences
Java.lang.Math Class in Java | Set 2
Java.lang.Math Class in Java | Set 1 More Methods: cosh() : java.lang.Math.cosh() method returns the hyperbolic cosine of the argument passed. Special cases : Result… Read More
Java-lang package
Java
Nagarro Interview Experience | Set 9
First Round IQ Test 12 mins 50 Ques (Very Basic IQ questions) (No negative marking) It was just meant to test the candidate’s presence of… Read More
Nagarro
Experiences
Interview Experiences
Difference between various Implementations of Python
When we speak of Python we often mean not just the language but also the implementation. Python is actually a specification for a language that… Read More
Technical Scripter
0-1 BFS (Shortest Path in a Binary Weight Graph)
Given a graph where every edge has weight as either 0 or 1. A source vertex is also given in the graph. Find the shortest… Read More
BFS
deque
Shortest Path
DSA
Graph
fork() and memory shared b/w processes created using it
Prerequisite: fork() in C So when we do a fork() what are the sections the two process actually share? Is the heap memory per process?… Read More
system-programming
C Language
Amazon Interview Experience | Set 344 (For SDE-1)
Round 1: online Test (Hackerearth) 30mins Given a log file calculate the no of people who came on multiple days. A person can come on… Read More
Amazon
Experiences
Interview Experiences
Subsequence with maximum odd sum
Given a set of integers, check whether there is a subsequence with odd sum and if yes, then finding the maximum odd sum. If no… Read More
Algorithms
Competitive Programming
DSA
Binary Search Tree insert with Parent Pointer
We have discussed simple BST insert. How to insert in a tree where parent pointer needs to be maintained. Parent pointers are helpful to quickly… Read More
Binary Search Tree
DSA
Top 20 Dynamic Programming Interview Questions
Dynamic Programming is an algorithmic paradigm that solves a given complex problem by breaking it into subproblems and stores the results of subproblems to avoid… Read More
interview-questions
DSA
Dynamic Programming
Simple Chat Room using Python
This article demonstrates – How to set up a simple Chat Room server and allow multiple clients to connect to it using a client-side script.… Read More
Python
Technical Scripter
Microsoft Interview experience | Set 113 (On-Campus)
Written test 1 (Objective), 30 minutes First written test was conducted by some third party company. It consisted of 15 objective questions from C, Sorting,… Read More
Microsoft
Experiences
Interview Experiences
Advanced JavaScript Backend Basics
Getting Started with JavaScript Backend Basics The following article is a continuation to my previous article. In this article, we will dive deep into some… Read More
JavaScript
Web Technologies
Minimum toggles to partition a binary array so that it has first 0s then 1s
Given an array of n integers containing only 0 and 1. Find the minimum toggles (switch from 0 to 1 or vice-versa) required such the… Read More
binary-string
Arrays
DSA
Mathematical
Count the number of subarrays having a given XOR
Given an array of integers arr[] and a number m, count the number of subarrays having XOR of their elements as m.Examples:  Input : arr[]… Read More
Competitive Programming
DSA
Hash
Technical Scripter
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