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Hackerrank 3 questions were given of binary search dp and a math coding question
I applied via Campus Placement
3 coding question in 1:30 hr
2 medium + 1 hard
1- greedy
2- binary search, prefix sum
3- dp (too hard)
I applied via campus placement at Delhi College of Engineering (DCE), Delhi and was interviewed before May 2023. There were 3 interview rounds.
Was conducted on hackerrank
3 questions
2 lc hard
1 lc medium
Find the longest increasing subsequence in an array
Use dynamic programming to solve this problem
Iterate through the array and keep track of the longest increasing subsequence ending at each index
Time complexity can be optimized to O(n log n) using binary search
I applied via campus placement at Netaji Subhas Institute of Technology (NSIT) and was interviewed before Oct 2022. There were 4 interview rounds.
3 Questions :
1 hard, 1 medium, 1 easy
Atlassian interview questions for designations
I was interviewed in Dec 2020.
Round duration - 90 minutes
Round difficulty - Easy
This round had 2 coding problems and we had to code it on hackerearth only.
The use of Outside IDE was forbidden.
The timing of test was 12:00 PM to 1:30 PM.
Ninja has started a new startup with a single conference room available for meetings. Given an array/list MEETINGS
of consecutive appointment requests, Ninja must ...
You are located at point ‘A’, the top-left corner of an M x N matrix, and your target is point ‘B’, the bottom-right corner of the same matrix. Your task is to calcula...
Round duration - 90 minutes
Round difficulty - Medium
This round was coding round with discussion .
The interviewer tried to trick the questions and wanted to test how we respond if something is asked out of preparation.
The code we ran on Google Docs was checked on Online IDE if it ran for sample inputs.
Timing : 12:00 PM to 1:30 PM
Given a connected directed acyclic graph with 'N' nodes and 'N-1' edges, where each pair of nodes is connected by exactly one edge, you can perform the following operation ...
Given a 'Snake and Ladder' board with N rows and N columns, where positions are numbered from 1 to (N*N) starting from the bottom left, alternating direction each row, f...
Round duration - 75 minutes
Round difficulty - Hard
This was a problem solving round and lasted for 75 minutes. The interviewer gave me a very complicated question.
The round was held on Google Meet and I was supposed to tell him the approach and write code on shared Google Docs.
Then it was followed with some HR questions.
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...
Tip 1 : Topics from Coding Ninjas of Course Competitive Programming. Practice atleast one question everyday from sites like Leetcode,Interviewbit and also took part in Codeforces Contest.
Tip 2 : Though Data Structure is the base for any tech interview, one must know some other subjects as well like Operating System, Networking, and Database Management System for which I took help from Coding Ninja’s notes and from GeeksforGeeks. Along with this stuff, read about puzzles on GeeksForGeeks. Overall, Coding Ninjas & Geeks For Geeks have a big hand in making me crack this interview.
Tip 1 : Keep your resume up to date and mention 2-3 good level projects which will give a good impression to the interviewer .
Tip 2 : Don't put false things on the resume.
Get interview-ready with Top Atlassian Interview Questions
I applied via campus placement at Dayananda Sagar College of Engineering, Bangalore and was interviewed in Oct 2024. There were 4 interview rounds.
3 coding dsa question
Difficulty is On your luck
My friends got easy level
I got medium level
Some got hard questions as well
Ssh round , quant and logical
Tip: bring your calculator
posted on 16 Sep 2021
I was interviewed in Jan 2021.
Round duration - 60 minutes
Round difficulty - Medium
Round 1 was a coding round of 60 min which started around 5:30PM in which 2 problem statements were given. The questions were based on Array and linked list. The platform used for test was coding which was user friendly and which use to display number of test cases passed and some test cases were hidden.
You are provided with a Circular Linked List of integers and a specific integer, referred to as 'key'
.
Your task is to implement a function that locates the spec...
The idea is to use a recursive approach to find the given key and then remove that node. The recursive idea is very clear that we will traverse through the circular linked list, and we will check if the value of the node is equal to the given key.
We will define a function deleteNodeHelper(root, key, head) to remove the key in which the head is the starting node of the linked list, and we will send ...
Given an array ARR
consisting of N
integers, rearrange the elements such that all negative numbers are located before all positive numbers. The orde...
Approach: A brute force approach could be to just sort the given array in ascending order. This will result in all negative numbers to appear at the beginning and positive number at the end.
Space Complexity: O(1)Explanation:O(1)
Because no extra space is required.
Time Complexity: O(nlogn)Explanation:O(N*logN), where N is the number of elements in the array.
In the worst case, sorting requires O...
Round duration - 30-35 minutes
Round difficulty - Medium
This round was of technical interview and they asked me various concepts
Tip 1 : Read well the job profile, company background and skill requirements and prepare accordingly.
Tip 2 : Whatever topic you are preparing don't just study to finish the topic but study to understand it because interviewers often deep dive and ask questions, make sure you basics are getting cleared.
Tip 3 : Solve Aptitude questions, coding problems as much as possible.
Tip 1 : Write optimal yet powerful summary.
Tip 2 : Highlight your education,internships, projects, certifications.
Tip 3 : Do mention technologies in which you worked on in your internship, projects.
Tip 4 : If you don't have any internship/project(any one will work fine but both are big plus) done go and get some work done and make your hands dirty and then put it in your resume.
Tip 6 : Avoid writing long statements.
Tip 7 : Honesty is the best policy.
I was interviewed in Jan 2021.
Round duration - 150 minutes
Round difficulty - Medium
It was an online round consisting of 2 programming questions restricted to C++, Java, and C# and 10 MCQ's on Data structures, Algorithms, etc..
You are given two integers DAY_HOURS
and PARTS
. Consider a day with DAY_HOURS
hours, which can be divided into PARTS
equal parts. Your task is to determine the total ins...
Round duration - 60 minutes
Round difficulty - Easy
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
The first line contains a single integer 'T' representing the numb...
Round duration - 60 minutes
Round difficulty - Easy
Round duration - 60 minutes
Round difficulty - Easy
Tip 1 : Practice Data Structures and Algorithms.
Tip 2 : Practice Puzzles from GFG.
Tip 3 : Should have good knowledge of OOPS.
Tip 1 : Have some good projects on your resume.
Tip 2 : Do not anything false in your resume.
Tip 3 : Mention your coding profiles in your resume.
I was interviewed in Jan 2021.
Round duration - 90 Minutes
Round difficulty - Easy
It was a telephonic round. The interview asked me these questions.
Round duration - 60 Minutes
Round difficulty - Medium
The interviewer started asking me questions. He gave me 2 problems. He was giving hints in case of any issues.
Given an array of integers with numbers in random order, write a program to find and return the number which appears the most frequently in the array.
If multip...
Here, we can simply run two loops. The outer loop picks all elements one by one and the inner loop finds the frequency of the picked element and compares it with the maximum present so far.
Round duration - 60 Minutes
Round difficulty - Medium
This was a technical interview. He gave me these questions one by one.
1. Again, how polymorphism works. Draw vtable and vptr
2. Producer consumer problem with synchronization
3. Difference between mutex, semaphore, and condition_variable.
4. Design parking lot system
5. Zigzag traversal of binary tree
Determine the zigzag level order traversal of a given binary tree's nodes. Zigzag traversal alternates the direction at each level, starting from left to rig...
Our very basic intuition is that we are going to traverse the given binary tree using level order traversal where we just need to modify one thing that for every alternate level we need to reverse the order that level.
Steps are as follows:
Round duration - 90 minutes
Round difficulty - Medium
1. He asked about the producer-consumer problem but I told him that the same question is asked in the previous round.
Then interviewer went asking lots of questions related to producer and consumer. Lots of discussions like what is a writer is not there and the only reader is there and you need to find out how many readers are currently reading from the buffer.
2. Discussions about C++11 features. How thread and async is different
3. Design your own shared_ptr(How you will handle ownership)
4. Check If the binary tree is symmetrical.
5. Find elements in a rotated sorted array and then optimize it.
You are provided with a binary tree structure, where each node consists of an integer value. Your task is to determine whether this binary tree is symmetric.
A symmetr...
We do two inorder traversals recursively of the tree simultaneously. For the first traversal, we traverse the left child first and then the right child, and in the second traversal, we traverse the right child first and then the left child. Let cur1 and cur2 be the current nodes of the first and second traversals respectively and initially both of them are passed as root. Then the algorithm f...
Given a rotated sorted array ARR
of size 'N' and an integer 'K', determine the index at which 'K' is present in the array.
1. If 'K' is not present...
Naively traverse the array and find if ‘K’ is present in ARR or not. If ‘K’ is present in ARR return its index else return -1.
Space Complexity: O(1)Explanation:O(1), i.e. constant space complexity.
Time Complexity: O(n)Explanation:O(N), where N is the length of the array/list.
We are iterating over the array/list ARR once. Hence, the time complexity is O(N).
/*
Time Compl...
Tip 1 : Don't lie on your resume.
Tip 2 : Practice at least 400 different types of coding problems.
Tip 3 : Work on your communication skills.
Tip 1 : Don't put false things on your resume.
Tip 2 : Mention some good projects on your resume.
posted on 16 Sep 2021
I was interviewed in Oct 2020.
Round duration - 90 minutes
Round difficulty - Easy
This round was scheduled for 9am in the morning. The test environment was pretty good . I didn't face any issues on the HireVeu platform. The first test was of Aptitude and then in next section it was Technical MCQ's. The level of questions were mid to high level of difficulty.
Round duration - 60 minutes
Round difficulty - Medium
The exam was on the same Platform. The first question was about the most difficult Project I've worked on. I have to record a video in that particular platform and then move to the next questions. There was option for a demo video of 1 minute in which you can practice your answers and then can record your answer in the next video of max 5 minutes. The next 2 question were Coding Problems of moderate difficulty and you've to record your approach and then proceed towards solving the code and then record a video stating if you succeed or not and what better could you've done to make it work.
Determine the sum of all N-digit palindromes for a given integer 'N'. A palindrome is defined as a number that remains the same when its digits are reversed.
...
Run a loop from 10^(n-1) to 10^(n) – 1 and check when the current number is palindrome or not. If it is, adds its value to answer.
Round duration - 45 minutes
Round difficulty - Medium
This round was scheduled for 3pm. The interviewer was quite friendly. He asked about me and told me to relax and then answer. He started with asking questions from my Project and how the ideas behind the Project. My Project was related to Deadlock So he asked whether I can implement my Project on any environment. I answered . Then one of my internship Project was related to Web development so He asked me about the backend of the Project. He gave me a few SQL queries and some general DBMS concepts based on the response about using Mysql in the Project. He asked me a few things about AWS and Cloud Computing which I answered. At last he asked some LINUX commands and corrected me once and was satisfied with my answers.
Tip 1 : Practice at least 5-7 Codes daily from the beginning of preparation.
Tip 2 : Be thoroughly prepared with concepts of Data Structure, Database and Operating System
Tip 3 : Always go through the Company's Job description and About the Company and prepare your answers according to that
Tip 4 : Only mention Projects that you've complete idea about.
Tip 1 : Have a few Projects on your resume and make sure you know it all about your Projects.
Tip 2 : Only mention the Skills you feel you are confident about. Never lie on your resume.
based on 4 interviews
2 Interview rounds
based on 3 reviews
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