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- Q1. DSA and Language Questions: 1. Difference between Arrays and ArrayList in Java. 2. Queue Implementation using Linked List. 3. BST- How would you fill a BST with a sorted ...read moreasked in Sde1 interview
- Q2. During Binary search, what if negative elements were there in an Array as well how would you search a specific element and time complexity for the same.asked in Sde1 interview
- Q3. Two uniform wires totally burnt in a total of 30 minutes. How will you measure 45 minutes?asked in Sde1 interview
RaRa Delivery Interview Experiences
2 interviews found
Anonymous
I applied via Company Website
(19 Questions)
- Q1. Difference between Arrays & ArrayLists in Java?
- Ans.
Arrays are fixed in size while ArrayLists can dynamically grow or shrink.
Arrays are of fixed size while ArrayLists can be resized dynamically.
Arrays can hold primitive data types while ArrayLists can only hold objects.
Arrays are faster than ArrayLists for accessing elements.
ArrayLists have built-in methods for adding, removing, and sorting elements.
Example: int[] arr = new int[5]; ArrayList
list = new ArrayList<>();
- Q2. Queue Implementation using Linked List?
- Ans.
Queue can be implemented using a singly linked list where insertion happens at the tail and deletion at the head.
Create a Node class with data and next pointer
Create a Queue class with head and tail pointers
Enqueue operation: create a new node and add it to the tail of the list
Dequeue operation: remove the node at the head of the list and update the head pointer
Peek operation: return the data at the head of the list wi
- Q3. BST- How will you fill a BST with a sorted Array?
- Ans.
To fill a BST with a sorted array, we can use a recursive approach.
Find the middle element of the array and make it the root of the BST
Recursively construct the left subtree using the left half of the array
Recursively construct the right subtree using the right half of the array
- Q4. Random pointers linked- list clone?
- Q5. Fibonacci number generation using recursion.
- Ans.
Fibonacci number generation using recursion
Define a function that takes an integer as input
If the input is 0 or 1, return the input
Else, return the sum of the function called with input-1 and input-2
Call the function with the desired input
- Q6. What is the fastest sorting algorithm?
- Ans.
The fastest sorting algorithm is QuickSort.
QuickSort has an average time complexity of O(n log n).
It is a divide and conquer algorithm that recursively partitions the array.
It is widely used in practice and has many variations such as randomized QuickSort.
Other fast sorting algorithms include MergeSort and HeapSort.
- Q7. Clone a linked list with a random pointer.
- Ans.
Clone a linked list with a random pointer.
Create a new node for each node in the original list
Store the mapping of original node to new node in a hash table
Set the random pointer of each new node based on the mapping
Traverse the original list and the new list simultaneously to set the next pointers
- Q8. Print Fibonacci numbers until the nth term using only recursion (no loop allowed)
- Ans.
Printing Fibonacci numbers using recursion only
Define a recursive function that takes two arguments, n and a list to store the Fibonacci sequence
Base case: if n is 0 or 1, return the list
Recursive case: append the sum of the last two elements in the list to the list and call the function with n-1
Call the function with n and an empty list to start the sequence
Print the list of Fibonacci numbers
- Q9. Show reflection in java.
- Ans.
Reflection in Java allows inspection and modification of runtime behavior of a program.
Reflection is achieved through classes in the java.lang.reflect package.
It allows access to class information, constructors, methods, and fields at runtime.
Reflection can be used to create new objects, invoke methods, and access or modify fields.
Example: Class c = Class.forName("java.lang.String");
Example: Method m = c.getDeclared
- Q10. Random Pointer questions
- Q11. Print pair with given sum.
- Ans.
Given an array of integers and a target sum, find a pair of integers that add up to the target sum.
Create a hash table to store the difference between the target sum and each element in the array
Iterate through the array and check if the current element is present in the hash table
If it is, return the current element and its corresponding hash table value as the pair that adds up to the target sum
If no such pair is fou
- Q12. How does Binary search be done in a rotated array?
- Ans.
Binary search in a rotated array can be done by finding the pivot point and then applying binary search on the two subarrays.
Find the pivot point by comparing mid element with the first and last elements of the array
Apply binary search on the two subarrays formed by the pivot point
Repeat until the element is found or the subarray is empty
Time complexity is O(log n)
Example: [4,5,6,7,0,1,2], target=0. Pivot point is 3. B
- Q13. Binary search method
- Q14. During Binary search, what if negative elements were there in an Array as well how would you search a specific element and time complexity for the same.
- Ans.
Negative elements in array won't affect binary search. Time complexity remains O(log n).
Binary search works by dividing the array into two halves and comparing the middle element with the target element.
If the middle element is greater than the target, search in the left half, else search in the right half.
Negative elements won't affect this process as long as the array is sorted.
Time complexity remains O(log n) as the
- Q15. Show the Array Rotation
- Ans.
Array rotation is the process of shifting the elements of an array to the left or right.
To rotate an array to the left, move the first element to the end of the array and shift the remaining elements to the left.
To rotate an array to the right, move the last element to the beginning of the array and shift the remaining elements to the right.
The number of rotations can be specified by the user.
Example: If the array is [...
- Q16. Polymorphism with Example
- Ans.
Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as if they were of the same class.
Polymorphism is achieved through method overriding and method overloading.
Method overriding is when a subclass provides its own implementation of a method that is already provided by its parent class.
Method overloading is when a class has two or more methods with the sam...
- Q17. Overloading vs Overriding
- Ans.
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in the subclass with the same name and parameters as in the superclass.
Overloading is compile-time polymorphism while overriding is runtime polymorphism.
Overloading is used to provide different ways of calling the same method while overriding is used to provide a specific implementation of a method in the s...
- Q18. Plane & Fuel Puzzles .
- Q19. Two uniform wires totally burnt in a total of 30 minutes. How will you measure 45 minutes?
(1 Question)
- Q1. You may be asked about the project mentioned in your CV
(2 Questions)
- Q1. If there is a linked list and some of the nodes have a random pointer, pointing to a different node of the same list, randomly pointing to some other pointer. Your goal is to make a copy of this list, or c...
- Q2. There will be a discussion after this round on your salary expectations
(3 Questions)
- Q1. Why should we hire you?
- Q2. What are your salary expectations?
- Q3. Discussion on the what the company does.
Interview Preparation Tips
- DSA, OOPS, Puzzles
Skills evaluated in this interview
Top RaRa Delivery Sde1 Interview Questions and Answers
Sde1 Interview Questions asked at other Companies
(3 Questions)
- Q1. DSA and Language Questions: 1. Difference between Arrays and ArrayList in Java. 2. Queue Implementation using Linked List. 3. BST- How would you fill a BST with a sorted array. 4. Random pointer linked...
- Ans.
A list of technical questions related to data structures and algorithms in Java.
Arrays are fixed in size while ArrayLists can dynamically grow and shrink.
Queue can be implemented using a linked list by adding elements to the end and removing from the front.
To fill a BST with a sorted array, we can recursively divide the array in half and add the middle element as the root.
Random pointer linked-list clone can be done by...
- Q2. OOPS: 1. Polymorphism with example 2. Overloading vs overriding
- Ans.
Polymorphism is the ability of an object to take on many forms. Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Polymorphism allows objects to be treated as if they are of different types. For example, a parent class reference can be used to refer to a child class object.
Overlo...
- Q3. Puzzles: 1. Plane and Fuel Puzzle 2. Two uniform wires completely burned in a total of 30 mins. How will you measure 45 mins
(1 Question)
- Q1. DSA and Language questions: 1. If there is a Linked List and some of the nodes have a random pointer, pointing to a different node of the same list, randomly pointing to some other pointer. Your goal is t...
(1 Question)
- Q1. The duration of this round is approximately 20-30 minutes. The discussion revolved around the work that the company does and how the work you will be doing and how they will distribute the salary and so on...
Interview Preparation Tips
Skills evaluated in this interview
Top RaRa Delivery Sde1 Interview Questions and Answers
Sde1 Interview Questions asked at other Companies
Top trending discussions
Interview questions from similar companies
Anonymous
Interview Preparation Tips
Experience: In quantitative aptitude i dont remember the questing exactly but alsomost all questings are similer to the questions in RS Agarwaal.. In reasoning and analytical section they will ask puzzles and if u read shakuntala devi and jimmers puzzle book it is more than sufficient.. In verbal section they have given around 2 passages and 5 questions for each passage dont waste more time in this section because it is time consuming.. they have given some fill in the blanks questions where we have to search for synonyms and antonyms No technical section was there
Total Questions: 75
Round: Technical Interview
Experience: Basically i am from Mechanical back ground they dint asked any questions related to software.... They asked questions like how do you update your self regarding your technical knowledge... have you thought of any innovative ideas recent past..
Round: HR Interview
Experience: In HR they asked 2 situation reaction tests. 1)she asked my hobbies and replied playing cricket... she posed a question to me that if i was appointed as cricket team captain for M-Tech mech team how i select my team.... i answered purely by performance no partiality like that.. but she asked to think more then she answered for the questions as... I alone cannot select the team because in M-Tech there may be more that 500 students so i have to take help from some of my friends and this shows attitude towards team work.... 2) She asked one more question like if i am a boss and there are 5 peoples working under me.. my boss given me one work that has to be completed in with in a month... now it is the last day of month and still 25% of work is remaining how i handle that situation... I answered that I will answer to the boss that from next time i will finish 1 months work in 20 days itself so that we will not be facing this kind of problems next time.. then she told ok....
General Tips: Infosys recruitment wont concentrate too much on technical side... they concentrate on logical and analytical thinking and situation reactions etc... so go through puzzles from shankuntala devi and jimmers... and some analytical and logical sections from RS agarwaal
Dont concentrate on technical questions because they wont ask any technical questions... you must prepare well for the written test and Interview will depend on your logical and analytical thinking and situation reactions.. all the best.. hope i will see you in Infosys next year....
College Name: NIT WARANGAL
Interview Questionnaire
22 Questions
- Q1. What are the subjects you have command in?
- Q2. Tell me about your final year project?
- Q3. Tell me about the industrial training you had?
- Q4. How does an induction motor works?
- Q5. Why motor is rated in KW whereas Transformer and generator in KVA?
- Ans.
Motors are rated in KW because they consume power, while transformers and generators are rated in KVA because they produce power.
Motors convert electrical energy into mechanical energy, so they consume power and are rated in KW.
Transformers and generators produce electrical energy, so they are rated in KVA based on their apparent power.
KVA takes into account both the real power (KW) and the reactive power (KVAR) produc...
- Q6. What is the type of motor used in ceiling fans?
- Ans.
The type of motor used in ceiling fans is an induction motor.
Ceiling fans typically use single-phase induction motors.
These motors are designed to provide a constant speed and are efficient in converting electrical energy into mechanical energy.
The motor consists of a stator and a rotor, with the stator being the stationary part and the rotor being the rotating part.
The stator contains windings that create a rotating m...
- Q7. Hoe does a thermal power plant works?
- Ans.
A thermal power plant generates electricity by converting heat energy into mechanical energy.
Thermal power plants use fossil fuels or nuclear energy to heat water and produce steam.
The steam drives a turbine, which is connected to a generator that produces electricity.
The heat source can be coal, natural gas, oil, or nuclear reactions.
The steam is condensed back into water and recycled in a closed-loop system.
Thermal p...
- Q8. Write a program to make a GP
- Ans.
A program to generate a geometric progression (GP).
Take the first term, common ratio and number of terms as input.
Use a loop to calculate each term of the GP.
Print the generated GP as output.
- Q9. Write a program to print factorial using recursion
- Ans.
A program to print factorial using recursion
Define a function to calculate factorial recursively
Base case: if the number is 0 or 1, return 1
Recursive case: multiply the number with factorial of (number - 1)
Print the factorial of a given number
- Q10. Write the logic to reverse a string without using string fnctions
- Ans.
Logic to reverse a string without using string functions
Iterate through the string from the last character to the first
Create a new string and append each character to it in reverse order
- Q11. Tell me about yourself?
- Q12. What are your hobbies?
- Q13. Apart from your technical pat and studies what have you done in college?
- Q14. What do you prefer, ethics or values?
- Q15. Suppose you are working in office and somebody came and slapped you, what will you do?
- Q16. Tell me about yourself for 5 minutes
- Q17. What are your views about Mr. Narendra Modi as PM of India
- Q18. Any extra curricular activities you have participated in school or college
- Q19. What are your strengths?
- Q20. What are your weaknesses?
- Q21. Being an Electrical engineer why do you want to join an IT company
- Q22. What do you know about TCS?
Interview Preparation Tips
Experience: In email writing one question was given describing the situation and maximum word limit. It has the keywords given to be used. 1 question, 10 minutes.This section is generally used to check your verbal ability. Make sure to use all the keywords given and complete it within time, with no spelling mistakes of course. Missing a keyword or a spelling mistake could be your goodbye to qualified list.The second section had 30 questions of quantitative aptitude. Duration 70 mins. There are questions from various sections, such as Time and speed, Time and distance, Data interpretation,etc.There are 2-3 star marked questions which have more weight-age. There my also be a dummy question who doesn't have any matching answer. Make sure uh don't attempt these questions.26-27 questions is the cut-off for qualified list.But you have to do the email writing part correctly.
Tips: Practice email writing online from various websites such as technicalbaba.com, indiageeks.comPractice quantitative aptitude as it is a must in any interview you will face. you can use R.S.Agarwal or CAT material.
Duration: 90 minutes
Total Questions: 30 + 1
Round: Interview
Experience: Greeting the interviewer is a must. Be confident and enthusiastic. Have your resume properly ready. Technical questions from your subject will be asked. Not a must that you should know any programming language like C, C++, JAVA.
Tips: Prepare 3-4 subjects of your core branch. Never try to flatter the interviewer. Be confident and answer the questions appropriately. Dont say directly " I DON'T KNOW". Atleast try even if you dont know the answer.
Round: Interview
Experience: There are certain questions which doesnt have direct answers. You have to be diplomatic about them. You should be able to see all the possible situation when a question like that is asked.
Round: Interview
Experience: The HR head may manipulate you, try to stress you, etc. Be calm and confident.Think before you speak. Prepare your answers before hand for general questions. Write your introduction on a paper and prepare it well so that you speak it confidently...
Tips: Be yourself. Be confident. Never argue with the interviewer.All the best
General Tips: Be presentable in the interview. Wear a watch. Show respect to the interviewer. Prepare 3-4 technical subjects well. Read last 15 days newspaper. Be confident when you speak. Improve your English if you are weak in it.
Skill Tips: ""
Skills: Verbal ability, Attitude, Technical knowledge, General knowledge
College Name: IMS ENGINEERING COLLEGE, GHAZIABAD
Motivation: TCS is a semi government company with a decent package and high job security.
Skills evaluated in this interview
Interview Preparation Tips
Experience: Questions were based on basic maths and english but time duration as per level of questions was very less. I was hardly able to attempt 90 question.
Tips: Firstly attempt questions from the topics in which you are more comfortable. Don't spend much time in thinking.
Duration: 60 minutes
Total Questions: 120
Round: Technical Interview
Experience: As I am from statistics background ao they asked me questions from regression and inference in depth. Rest all question were from basic stats. And yes they ask question from everything what is there in your resume.
Tips: Be ready for question from everything what is there in your resume and prepare them in advance.
Round: HR Interview
Experience: It was easy and hardly last for 10 min
Tips: Be confident on whatever you speak and prepare for general HR questions in advance.
College Name: IIT BOMBAY
Interview Preparation Tips
Experience: Candidates with CG equal to or higher than 8.0 were selected.
Round: Test
Experience: It was divided in 2 sets of 45 minutes each.
Coding: To write a function to find if a string is palindrome or not.
Verbal+quant: These were CAT model questions.
Duration: 90 minutes
Round: Interview
Experience: There were 2 rounds of this interview. Both were HR and questions based on resume and some general questions were asked.
Tips: I think I was selected because of my CG, coding skills and communication skills.
General Tips: If you're preparing for core, make sure you start revising your subjects soon. Keep your notes and concentrate on structures.
Skill Tips: I started my preparations in November by going through case study material available in lan and solving CAT questions.
College Name: IIT MADRAS
Interview Preparation Tips
Experience: Written test was CAT based primarily with no negative marking.
Tips: Almost everyone felt the time crunch., but the key is to maintain focus and yes no negative marking so informed guesses are a must.Prepare well for the test especially Quant+ RCs+DI.
Duration: 60 minutes
Total Questions: 60
Round: Group Discussion
Experience: GD was case study based. We were divided into groups of 8 and then we were allotted around 20 minutes to discuss the problem among ourselves and then finally come up with a solution which was to be demonstrated on a flip-chart and then was to be presented in about 8-10 min
Tips: Prepare for case studies from HBS Case Study and Wetfeet Case Study guides.
Duration: 30 minutes
Round: HR Interview
Experience: Only one round of interview was conduced. It was mostly HR based and the resume was discussed along with some common questions like the biggest failure and sucess in life, etc.Only one technical question was asked & the interviewers were very supportive and encouraging.
Tips: The key is to be yourself and take your time to properly frame the answers and then reply withconfidence.
Skill Tips: ""
Skills: Research Skills
College Name: IIT Roorkee
Interview Preparation Tips
Experience: Technical Round:
When my turn came in I walked into the room and Found two people sitting over there.
Wishing them Good Afternoon i was asked to take my seat and I sat comfortably. This is noted very carefully. I had a eye to eye contact with both of them. I handed over them my certificates for them to go through.
Then my interview started (I gave my resume to him)
Interviewer: Kiran Paul Kani… right..
Me: Yes, its kiran paul kanikaram
Interviewer: Ok Kiran I am dennis voice Trainer at HCL Tech. It seems from the resume that you are working for India Air Force and why do you want to change the Job
Me: Bracing up a little I said I am working with Indian Air Force and because of Family reason I am about to resign the Job and also since I have completed MCA I just wanted to pursue a Technical Job.
Interviewer: Can you give me some more details as to why you want to resign a Government job and join a private one?
Me: Yes, I would. Since I am having a family to look after and with the present job I am unable to keep my family with me and also since my job requires me to be available 24/7, 365 days this was not a problem when I did not have these responsibilities but now it has become compulsion for me to look after and for me I think what’s the use of earning the money and not enjoying them with family.
Interviewer: Ok tell me about yourself?
Me: I told about my schooling and the place I hail from and the job I was doing in brief.
Interviewer: Oh great you could do your Graduation and Post graduation while doing a job and don’t you feel that was difficult while serving the IAF?
Me: Yes, It was difficult but I just wanted to come up in life and I already knew the price I am going to pay and it had taken a lot of hard work but finally I could complete.
Interviewer: Do you know what kind of job you are going to do here in HCL?
Me: Yes, the position I am going to work is for technical process helping customers to get their issues resolved and giving technical support.
Interviewer: Here is a passage and can you read it for me.
Me: I understood why he was asking so coolly I took time and read it comfortably.
(Now the interviewer showed me his laptop and told me to hear a conversation. I took the head set and listened the conversation)
Interviewer: What was the person trying to tell?
Me: I told him that the person was telling that he wanted a technical issue to be resolved pertaining to his Laptop.
Interviewer: What is the solution you have for him?
Me: I told him the procedure of how to solve his issue.
Interviewer: He smiled at me and said I would like to speak with my friend who wants to ask you about information. He works as a SME (subject Man Expert) and he picked up his cell and connected to that person and handed over me the phone and walked out of the room.
Interviewer: Hello Kiran I am Sam
Me: Hello sam
Interviewer: I work as a SME and hope Dennis told about me
Me: yes
Interviewer: Can you tell me how does a browser work?
Me: I said do you want me to explain the functionality of the browser.
Interviewer: yes
Me: I gave him the information of what he wanted.
Interviewer: can you tell me some thing about cookie and what it does?
Me: I told him the definition of cookie and the role it plays in the Brower functionality
Interviewer: Ok what will you do to change the settings of the browser?
Me: I explained him the process.
Interviewer: Tell me something about registry in windows?
Me: I told about the registry and told him that when ever an application is installed then it is this place that the registry keys are saved and based on this when ever we run the application it will fetch information from here and runs the application.
Interviewer: What happens when these registry keys are deleted or corrupted and how can you delete the registry keys?
Me: If the registry keys are deleted or corrupted then the application may not run or if it runs also it will create problems some where else and to delete the registry keys we need type in Regedit command in the run window and press enter andthen from the registry window search for the keys to delete and selecting them we need to press delete key .Interviewer: Do you know Computer networks?
Me: Not fully but I have a fair idea
Interviewer: Ok No issues. Thanks a lot.
Me: thanks a lot and gave back the cell to Dennis.
Interviewer: How was the interaction?
Me: It was good
(Dennis got a call and he typed in some thing in his laptop. I knew it was from sam)
Interviewer: Ok kiran please wait out side will get back to you in a few min.
Me: I said yes and walked out of the room and was little anxious but the people who were waiting outside wanted to inquire why it has taken a lot of time.
After some time Dennis along with Sam came up to the lounge area and called me and spoke to me saying that they were satisfied with my interview and told that they were checking my accent and my technical knowledge and told me that I was selected for this round and need to attend a written technical test and also if I clear there will be a HR round and if cleared will get the appointment letter. Then they handed over a sealed envelop and told me to give to the HR
I was a bit relaxed now and was waiting to go for the next round people around me congratulated. After few min a interview board member accompanied us in the Cab to another facility a few hundred meter away from this facility.
When we came to this facility we were given tags to enter the facility and Pooja came and called me into the cabin.
Round: HR Interview
Experience: HR Round
HR: Good afternoon Kiran and took the packet
Me: I said good Afternoon
HR: Now there will be a written test and that too MCQ type go through the question paper and answer them and you have 30 minutes.
Me: I took the paper and sat in the place assigned and went through the paper and answered them and after the time is up I handed over the answer sheet
HR: Please sit in the waiting room I will be back in few min.Me: I said Ok and waited in the waiting room.
After some time the HR came.
HR: Congrats you cleared the written test
Me: Thanks
HR: So you are a defense person and where are you working?
Me: Yes, I am working in Air Force Station Delhi.
HR: So you want to join a pvt organization from a govt organization, don’t you feel that you are loosing security of job?Me: Yes, I want to join a corporate sector since it was a dream for me and I think the circumstance have paved the way for me since I am also not interested to be in Air Force because I am away from my family and also this posting makes it very difficult for me to be with my family and it will be for five years. Secondly I don’t feel any that I am loosing Job security since any how I have to retire after 20 years of service and I have finished 12 years and I cannot justify to my duty if I am not interested. So owing to moral grounds I want to join a pvt organization.
HR: So you think that your family comes first than your job?
Me: It depends on how a person thinks but for me both are important because without money I cannot survive and without a job I cannot earn so I balance both Job and Family and prioritize them.
HR: What is the remuneration you are expecting from us?
ME: I am expecting a good remuneration from you but I would be happy if I am paid as per your organizations standards so that I might not feel that I am left out in comparison with my colleagues.
HR: Are you willing to work in any shift?
Me: That would not be a problem for me because I have been doing duties in Air Force on the call and 24/7. So I do not have any problems
HR: Ok you may go..Me: I thanked her and walked out of the room.
After an hour the HR came and gave me all the details and told that I got Selected!!!
This gave me the confidence that I can do well in the future.
Though I did not join the Job it was a very good experience for me and it helped me in an interview which I attended in Bangalore in an IT company and which I have joined as a Quality Assurance Lead.
College Name: NA
Interview Preparation Tips
Experience: Simple Aptitude - just brush up basics - be quick in your solving.
Duration: 120min minutes
Total Questions: 50+10
Round: HR Interview
Experience: Pretty simple interview round - was asked few HR questions. Majorly it was a informative session where i was told about the job profile and tested whether I was willing to take up the responsibility & commitment.
College Name: IIT MADRAS
Motivation: Just applied gen. Got through.
Anuj Gupta
Interview Questionnaire
6 Questions
- Q1. Given a Linked list , print yes if it is palindrome else print no
- Q2. Print the level order traversal of the binary tree in the spiral form
- Ans.
Print the level order traversal of binary tree in spiral form
Perform level order traversal of the binary tree
Alternate the direction of traversal for each level
Use a stack to reverse the order of nodes in each level
Print the nodes in the order of traversal
- Q3. Maximum of all subarrays of size k(Expected Time Complexity O(N). Input : arr[] = {1, 2, 3, 1, 4, 5, 2, 3, 6} k = 3 Output : 3 3 4 5 5 5 6
- Ans.
Find the maximum element in each subarray of size k in a given array.
Iterate through the array from index 0 to n-k.
For each subarray of size k, find the maximum element.
Store the maximum elements in a separate array.
Return the array of maximum elements.
- Q4. Given Two sorted array of size size n each. Find the Kth largest element in these two array (Expected Time Complexity Log(n))
- Ans.
To find the Kth largest element in two sorted arrays, we can use the merge step of merge sort algorithm.
Merge the two arrays into a single sorted array using a modified merge sort algorithm.
Return the Kth element from the merged array.
- Q5. Website having several web-pages. And also there are lot many user who are accessing the web-site. say user 1 has access pattern : x->y->z->a->b->c->d->e->f user 2 has access pattern : z->a->b->c->d user 3...
- Q6. Given two array , one of size m+n and contains m element and other position are empty , 2nd array is of size n and contains n element. both array are sorted , now merge the second array to first one such t...
- Ans.
Merge two sorted arrays into one sorted array with expected time complexity of (m+n).
Use a two-pointer approach to compare elements from both arrays and merge them into the first array.
Start comparing elements from the end of both arrays and place the larger element at the end of the first array.
Continue this process until all elements from the second array are merged into the first array.
Interview Preparation Tips
Duration: 90 minutes
Skills: Algorithm , OS, DBMS, data structure
College Name: NIT BHOPAL
Skills evaluated in this interview
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