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Quora Interview Questions and Answers
Quora Interview Experiences
3 interviews found
Anonymous
I applied via Job Fair and was interviewed in Apr 2023. There were 3 interview rounds.
Codesignal test. Can use the tested result.
(1 Question)
- Q1. One Leetcode tag problem. One of those high frequency.
Software Engineer Interview Questions asked at other Companies
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Hi how are you i am fine with a big smile okay hi hi hi hi hi hi hi hi hihi
(2 Questions)
- Q1. Why did you join my company NSKSS BECAUSE I SEE MY CAREER GROWTH
- Q2. DMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
Interview Preparation Tips
HR Executive Interview Questions asked at other Companies
I applied via LinkedIn and was interviewed in Jan 2022. There were 4 interview rounds.
(4 Questions)
- Q1. What is the current role and responsibilities?
- Q2. What are your strengths and weaknesses?
- Q3. Any questions for me?
- Q4. Please share instance of conflict management and team management?
(2 Questions)
- Q1. What is your understanding of Quora as a platform?
- Q2. This is an Individual contributor role. Any views of how you will manage it vs previous manager role?
(1 Question)
- Q1. What is your view in managing partners and growing Quora’s business?
(1 Question)
- Q1. What are your key learnings from working with partners?
Interview Preparation Tips
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Interview questions from similar companies
Interview Preparation Tips
Experience: You need to submit your CV and they shortlist you on this basis.Fast and accurate coding.
Tips: Clearly specify any technical achievement.
Round: Coding
Experience: You are given 4 hours to solve a few algorithmic questions.Start practicing for this from sometime earlier.
Tips: There are puzzles available on the Facebook page.
Round: Technical Interview
Experience: Three interviews. All almost exclusively technical with 1-2 HR questions.
The questions are mainly algorithmic in nature and you need to code online while talking to them.
Tips: Be as accurate and clean with your code as possible.
General Tips: Be creative while answering the questions. They might ask you questions like 'What changes would you want to make to Facebook?'.
Prepare algorithmic questions for the interviews. Most companies like Facebook, Google, Microsoft and others focus on this.
Technical projects or internships will be beneficial.
Qualifying for or winning programming contests like overnite is very beneficial. Involvement in Social/Cultural activities or sports is not really essential.
Skill Tips: Being good at writing fast and correct code in any language helps a lot.
Skills: Programming
College Name: IIT KHARAGPUR
Interview Preparation Tips
Experience: The written test did NOT involve general aptitude questions. Most questions were CS specific and pertained to some kind of algorithmic analysis, design of recursive solutions, designing and tracing out an algorithm on a given sample etc. About 50-60% of the candidates were eliminated in this round.
Round: Test
Experience: The next round was a coding assignment. For those familiar with code-chef, the coding assignment was similar to a medium level problem (in the practice section) and had to be done in C. The codingassignment by design, required algorithmic optimization to execute within the prescribed time limit. About 10 candidates (8 UG and 2 PG) were selected for interviews. Yahoo generally conducts 4 technical interviews and an HR interview. Typically, 2 of the 4 tech interviews will be with immediate seniors in teams that are interested in your profile. The remaining two will be with more senior engineers (in fact, one of my interviews was with the tech director of a vertical at Yahoo). Interviewers discuss with each other after each interview, and some candidates were eliminated after one poor interview. It is therefore quite important to do
General Tips: Apart from technical skills, your communication and social skills are what can make or break an interview and eventually, decide whether or not you get the job. Objectively speaking, most candidates who make it to the final round will be very technically proficient. Therefore, your aim should be to make the decision regarding your candidature anything BUT objective. The real advantage of an interview is to let the interviewer know YOU, beyond just your written test score or your academic credentials. Interviewers like confidence in a candidate and it can even make you seem better than you really are. It will also help to have a few well thought out questions in mind for your interviewer, to show him that you have put in more effort than other candidates to find out about the kind of work going on at the company. One thing youcan do is to find out who all the interviewers are during the pre-placement talk (Yes, attending the PPT CAN BE USEFUL). General Tips Preparation Look up their LinkedIn profiles and note what projects they have worked on or guided. Asking a few insightful questions about those specific projects is a good way to create a good impression of you. It is very difficult to truly judge a candidate during a 45 minute interview, so what matters a lot is the impression left in the interviewers mind about you. If possible, try to establish a social connect during your limited interaction with the interviewers, BEFORE the interviews take place. For example, one of my interviewers, a senior tech manager at Yahoo, was an NITK alumnus. Before the interviews, I spoke to him about his experience in college. As it turns out, he was one of the founders of the web club at NITK, of which I am a member. We spoke for about 15 minutes about how the club has grown and how the club has helped its members ever since.
Skill Tips: For a computer science student who intends to take up a technical job at a tier 1 company, spend as much time as possible, honing your technical skills. Start well before placement season, if possible, in 3rd year itself
College Name: NIT SURATHKAL
Interview Questionnaire
8 Questions
- Q1. Given two “ids” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of mutual friends
- Ans.
Function to return mutual friends given two ids and getFriends(id) function
Call getFriends(id) for both ids to get their respective friend lists
Iterate through both lists and compare to find mutual friends
Return the list of mutual friends
- Q2. Given an “id” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of “friends of friends” in the order of decreasing number of mutual friends,...
- Ans.
Function to return list of friends of friends in decreasing order of mutual friends
Use a set to store all friends of friends
Iterate through the list of friends of the given id
For each friend, iterate through their list of friends and count mutual friends
Sort the set of friends of friends by decreasing number of mutual friends
- Q3. Given a number of time slots – start time and end time,“a b”, find any specific time with the maximum number of overlapping. After solving the problem I had to prove my solution
- Ans.
Given time slots, find a specific time with maximum overlap. Prove solution.
Create a list of all start and end times
Sort the list in ascending order
Iterate through the list and keep track of the number of overlaps at each time
Return the time with the maximum number of overlaps
Prove solution by testing with different input sizes and edge cases
- Q4. Given an array of Integers, find the Longest sub-array whose elements are in Increasing Order
- Ans.
Find the longest sub-array with increasing order of integers.
Iterate through the array and keep track of the current sub-array's start and end indices.
Update the start index whenever the current element is smaller than the previous element.
Update the end index whenever the current element is greater than or equal to the next element.
Calculate the length of the sub-array and compare it with the longest sub-array found s
- Q5. Given an array of Integers, find the length of Longest Increasing Subsequence and print the sequence.
- Ans.
Find the length of longest increasing subsequence and print the sequence from an array of integers.
Use dynamic programming to solve the problem
Create an array to store the length of longest increasing subsequence ending at each index
Traverse the array and update the length of longest increasing subsequence for each index
Print the sequence by backtracking from the index with the maximum length
Time complexity: O(n^2)
Exam...
- Q6. Given a Sorted Array which has been rotated, write the code to find a given Integer
- Ans.
Code to find a given integer in a rotated sorted array.
Use binary search to find the pivot point where the array is rotated.
Divide the array into two subarrays and perform binary search on the appropriate subarray.
Handle edge cases such as the target integer not being present in the array.
- Q7. You have a number of incoming Integers, all of which cannot be stored into memory. We need to print largest K numbers at the end of input
- Ans.
Use a min-heap to keep track of the largest K numbers seen so far.
Create a min-heap of size K.
For each incoming integer, add it to the heap if it's larger than the smallest element in the heap.
If the heap size exceeds K, remove the smallest element.
At the end, the heap will contain the largest K numbers in the input.
- Q8. Implement LRU Cache
- Ans.
LRU Cache is a data structure that stores the most recently used items and discards the least recently used items.
Use a doubly linked list to keep track of the order of items in the cache
Use a hash map to store the key-value pairs for fast access
When an item is accessed, move it to the front of the linked list
When the cache is full, remove the least recently used item from the back of the linked list and the hash map
Interview Preparation Tips
Experience: Facebook visited our campus in July, 2012. We had an online coding round hosted on InterviewStreet. We were asked to solve just one problem. The given problem boils down to : Given a undirected graph, source and destination, write the code to find the total number of distinct nodes visited, considering all possible paths.
Tips: Those shortlisted had to fly to Delhi for a Personal Interview. There were four rounds of interview, each of 45 minutes. The questions were simple. But just solving the given problem wasn't enough.
There was much more interaction and short questions asked related to the problem
Round: Technical Interview
Experience: The above mentioned questions wer asked in the interview. For every solution I was asked to write the code on paper. The code should also include the implementation of the data structures used (I used heaps - so I was asked to implement heaps ). They are looking for someone with good problem solving skills and conceptually sound in data structures
College Name: BIT MESRA
Skills evaluated in this interview
Interview Questionnaire
4 Questions
- Q1. You are given a large array of n bits. Each bit is initially 0. You perform several operations of the type
- Ans.
Solution to performing operations on a large array of bits.
Use bitwise operators to perform operations on individual bits
Use a loop to iterate through the array and perform the operations
Ensure that the array is large enough to accommodate all the bits
Consider using a data structure like a bitset for efficient bit manipulation
- Q2. Questions on Network programming
- Q3. Questions on array,heap and binary trees
- Q4. Round was both HR+Technical
Interview Preparation Tips
Experience: Questions can be found here:
-----/
Tips: Try to solve all 3.
Duration: 60 minutes
Total Questions: 3
Round: Technical Interview
Experience: First discuss the solution and then paper-code it.
Tips: Try to code without mistakes.
Round: Technical Interview
Experience: First, I was asked to discuss my project based on networking and then I was given a question on network programming
Tips: Pay attention on discussion
Round: Technical Interview
Experience: Provide the optimised solution and code it without any mistakes.
Round: HR Interview
Experience: Why linkedin?
What changes will you make in 6 months?
Internship project: Discussion and lot of common questions on that.
Basic Questions of C++ and Java
Skills: Data Structure, Core courses understanding, Algorithms
College Name: IIT GUWHATI
Skills evaluated in this interview
I was interviewed before Mar 2021.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
In first round they asked me 2 coding questions where he asked me to code as close as possible to the actual one.
- Q1.
Ninja and Sorted Array Merging Problem
Ninja is tasked with merging two given sorted integer arrays
ARR1andARR2of sizes 'M' and 'N', respectively, such that the merged result is a single sorted array w... - Ans.
Merge two sorted arrays into one sorted array in place.
Use two pointers to compare elements from both arrays and place them in the correct position in ARR1.
Start from the end of ARR1 and compare elements from both arrays, placing the larger element at the end of ARR1.
Continue this process until all elements from ARR2 are merged into ARR1.
- Q2.
Word Distance Calculation
Given a document represented as an array/list
ARRof words with lengthN, find the smallest distance between two given words for multiple queries. The distance is defined as the ... - Ans.
Find the smallest distance between two words in a document for multiple queries.
Iterate through the document array to find the indices of the two words in each query.
Calculate the absolute difference between the indices to get the distance.
If a word from the query is not present in the document, return the length of the document array.
Repeat the process for each query and output the smallest distance for each.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Then in the second round they asked a little about tree and told me to code 2 codes.
- Q1.
Level Order Traversal Problem Statement
Given a binary tree of integers, return the level order traversal of the binary tree.
Input:
The first line contains an integer 'T', representing the number of te... - Ans.
The problem requires implementing a function to return the level order traversal of a binary tree.
Implement a function that takes the root of the binary tree as input and returns the level order traversal of the tree.
Use a queue data structure to perform level order traversal.
Process each level of the tree one by one, starting from the root node.
Print the node values at each level in the order they appear from left to ...
- Q2.
Combination Sum Problem Statement
Given an array of distinct positive integers
ARRand a non-negative integer 'B', find all unique combinations in the array where the sum is equal to 'B'. Numbers can be c... - Ans.
Find all unique combinations in an array where the sum is equal to a given target sum, with elements in non-decreasing order.
Use backtracking to generate all possible combinations.
Sort the array to ensure elements are in non-decreasing order.
Track the current combination and sum while backtracking.
Terminate recursion when the sum equals the target sum.
Avoid duplicates by skipping elements that have been used in previou
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I was interviewed before Mar 2021.
(3 Questions)
Round duration - 60 minutes
Round difficulty - Medium
This was a online test round where I was given 3 DSA questions to be solved in 60 minutes.
- Q1.
Count Ways to Reach the N-th Stair Problem Statement
You are provided with a number of stairs, and initially, you are located at the 0th stair. You need to reach the Nth stair, and you can climb one or tw...
- Ans.
The problem involves finding the number of distinct ways to climb to the Nth stair by taking one or two steps at a time.
Use dynamic programming to solve the problem efficiently.
The number of ways to reach the Nth stair is the sum of the number of ways to reach the (N-1)th stair and the (N-2)th stair.
Handle base cases for N=0 and N=1 separately.
Consider using modulo 10^9+7 to avoid overflow in calculations.
- Q2.
Optimal Strategy for a Coin Game
You are playing a coin game with your friend Ninjax. There are
Ncoins placed in a straight line.Here are the rules of the game:
1. Each coin has a value associated wit... - Ans.
The problem involves finding the optimal strategy to accumulate the maximum amount in a coin game with specific rules.
Start by understanding the rules of the game and how players take turns to choose coins.
Consider the scenario where both players play optimally to maximize winnings.
Iterate through different strategies to determine the best approach for selecting coins.
Keep track of the total winnings accumulated by eac...
- Q3.
Generate All Parentheses Combinations
Given an integer
N, your task is to create all possible valid parentheses configurations that are well-formed usingNpairs. A sequence of parentheses is considered w... - Ans.
Generate all possible valid parentheses configurations using N pairs.
Use backtracking to generate all possible combinations of parentheses.
Keep track of the number of open and close parentheses used.
Add '(' if there are remaining open parentheses, and add ')' if there are remaining close parentheses.
Base case: when the length of the generated string is 2*N, add it to the result array.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I was interviewed in Jan 2021.
(2 Questions)
Round duration - 90 minutes
Round difficulty - Hard
Online coding round , 2-3 questions. Level - med-hard
- Q1.
Fibonacci Number Verification
Identify if the provided integer 'N' is a Fibonacci number.
A number is termed as a Fibonacci number if it appears in the Fibonacci sequence, where each number is the sum of...
- Ans.
Check if a given number is a Fibonacci number or not.
Iterate through the Fibonacci sequence until you find a number greater than or equal to the given number.
Check if the given number matches the Fibonacci number found in the sequence.
If the given number matches, output 'YES'; otherwise, output 'NO'.
- Q2.
Break The Board Problem Statement
Your task is to break a board of given dimensions 'L' by 'W' into 'L' * 'W' smaller squares, ensuring the total cost of breaking is minimized.
Input:
The first line con... - Ans.
Minimize cost of breaking a board into smaller squares by optimizing horizontal and vertical cuts.
Iterate through all possible horizontal and vertical cuts to find the minimum cost
Use dynamic programming to store and reuse subproblem solutions
Calculate the cost of breaking the board into smaller squares based on the given dimensions and cut costs
(1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
2 interviewers , coding problem, no compilation.
- Q1.
Minimum Number Of People To Teach
Ninja has started a social networking site called Ninjas Space. The platform consists of ‘N’ users and supports ‘M’ different languages. Users communicate if they know at...
- Ans.
Determine the minimum number of users to teach a common language so all friends can communicate on a social networking site.
Create a graph where users are nodes and friendships are edges.
Find connected components in the graph.
For each connected component, determine the minimum number of users to teach a common language.
Return the sum of minimum users needed for all connected components.
Round duration - 40 minutes
Round difficulty - Medium
CS fundamentals. Tough round. 40 mins interview. 1 interviewer from USA
(1 Question)
Round duration - 40 minutes
Round difficulty - Hard
System Design Problem
- Q1. Design a Facebook-like application.
- Ans.
Design a Facebook-like application for social networking.
User profiles with personal information and photos
News feed displaying posts from friends
Ability to like, comment, and share posts
Friend requests and messaging functionality
Groups and events for community engagement
Interview Preparation Tips
Tip 1 : Never leave any topic from any chapter / Subject
Tip 2 : Learn to explain your thoughts well
Tip 3 : Learn from previous experiences / interviews / problems asked.
Tip 4 : Atleast 4 projects in Resume
Tip 1 : Atleast 4 projects on Resume
Tip 2 : Do not write false things. You always get caught. Be genuine.
Skills evaluated in this interview
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