Challange
A challenge is a task, problem or situation that tests a person’s skills, knowledge or determination. Challenges encourage growth by pushing individuals beyond their comfort zones and inspiring creative problem-solving. In learning, technology and work environments, challenges help improve abilities, build confidence and lead to meaningful achievements through consistent effort and resilience.
Top Challange Articles
Top 50+ SQL Interview Questions and Answers for Intermediate to Advanced
Top SQL Interview Questions and Answers for Intermediate to Advanced. Top SQL Interview Questions for experience. Frequently asked SQL interview questions with answers
C# Interview Questions and Answers I
Prepare for your next tech c# interview with these top c# interview questions and expert answers. Boost your confidence and crack c# interview.
Container With Most Water
Container With Most Water | You are given an integer array height of length n. There are n vertical lines drawn such that the two endpoints of the ith line are (i, 0) and (i, height[i]). Find two lines that together with the x-axis form a container such that the container contains the most water.
Maximum Product of Three Numbers
Maximum product of a triplet (subsequence of size 3) in array | Maximum Product of Three Numbers | Given an integer array arr, find three numbers whose product is maximum and return the maximum product.
3 Sum : Find triplets that add up to a target value
3 Sum : Find triplets that add up to a target value, 3 sum problem , Triplet Sum in Array , Given an integer array nums, return all the triplets that add up to a target value
Find Minimum in Rotated Sorted Array
Find minimum Element in a Rotated Sorted Array. Given a rotated sorted array your task is to find the minimum element in that array. Find Minimum in Rotated Sorted Array. Given the sorted rotated array arr of unique elements return the minimum element of this array.
Check Whether Two Strings are Anagram of Each Others
Check whether two Strings are anagram of each other. Given two string s1 and s2 check whether the given strings are anagrams of each other or not. Check if two Strings are anagrams of each other. Valid Anagram
Next Permutation find next lexicographically greater permutation
next permutation : find next lexicographically greater permutation. The next permutation of an array of integers is the next lexicographically greater permutation of its integer. Given an array Arr[] of integers, rearrange the numbers of the given array so that they form the lexicographically next larger permutation of numbers.
Popular Topics
SQLLanguage-ConceptsInterview PreparationJavaCoding InterviewSoftware DesignArtificial IntelligenceTechnical InterviewDSAInterview Preparation Tips
SQL stands for Structured query language. It is a programming language for storing and processing information in a relational database. It is standard language for accessing and manipulating databases.
This tag is used to understand a basic part of the language.
Interview Preparation is the process of getting ready to perform confidently and effectively in a job interview. It includes researching the company, understanding the job role, practicing common interview questions, improving communication skills and reviewing technical or domain knowledge. Proper interview preparation increases confidence, reduces anxiety, and improves your chances of securing the job.
Java is a high-level object-oriented programming language. it's firstly released by Sun Microsystems in 1995. Use this tag when you're having queries using or understanding the language. This tag is also applicable to Java libraries and frameworks.
Coding Interview is a technical evaluation where candidates solve programming problems to demonstrate their problem-solving skills, data structure and algorithm knowledge and coding proficiency. It typically includes writing optimized code, explaining logic and analyzing time and space complexity to assess real-world programming ability.
Software design is the process of planning and structuring a software system’s architecture, components, interfaces, and data flow to meet functional and non-functional requirements. It ensures scalability, maintainability and performance. Key approaches include modular design, object-oriented design and architectural patterns like MVC and microservices for efficient, reliable software development.
Artificial Intelligence (AI) is the simulation of human intelligence in machines, enabling them to think, learn and make decisions. It powers systems to solve problems, recognize patterns, understand language and adapt over time. AI is used in various fields, including robotics, healthcare, finance and everyday applications like virtual assistants.
Technical Interview is a structured assessment where employers evaluate a candidate’s technical skills, problem-solving ability and practical knowledge related to a specific role. It typically includes coding challenges, system design questions, debugging tasks and discussions about past projects. The goal of a technical interview is to measure how effectively a candidate can apply their technical expertise to solve real-world problems.
DSA (Data Structures and Algorithms) is a fundamental concept in computer science that focuses on efficiently storing, organizing and processing data. Data structures like arrays, linked lists, stacks and trees manage data, while algorithms provide step-by-step solutions to problems. Mastering DSA is essential for writing optimized, scalable and high-performance code.
Interview preparation tips focus on researching the company, understanding the job role, practicing common HR and technical questions, refining communication skills and presenting yourself confidently to make a strong and professional impression during the interview.
Popular Articles
how to install docker on amazon ec2 instance. docker installation command on linux machine, docker commands, Commonly Used Docker Commands on EC2
List Handling in Java vs C# vs C++ A Deep Comparison, This comparison provides a full view java , c# and c++ List like data structures
How to Approach HR Interview Questions , What to Keep in Mind While Answering HR Interview Questions, HR Interview Questions and Answers
Length of the Longest Substring Without Repeating Characters | Given a string str find the length of the longest substring without repeating characters | find the length of the longest substring without repeating characters in a given string |
You are given two integer arrays arr1 and arr2, sorted in accending order, and two integers m and n, representing the number of elements in arr1 and arr2 respectively. Merge arr1 and arr2 into a single array sorted in accending order.
Mastering the Singleton Design Pattern in C#, Singleton Design Pattern in Depth: Structure, Use Cases and Best Practices, in depth design pattern, LLD , low level design
Static Class vs Singleton in C#: A Complete Deep Dive
Rotate an array of n elements to the right by k steps | right rotate the elements of an array | array rotate | rotate array by k step
Amazon Transaction Logs (example question), Amazon Transaction Logs Interview question
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