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Directi Interview Questions, Process, and Tips
Top Directi Interview Questions and Answers
- Q1. Duplicate Elements in Array You are provided with an array or list called ARR , consisting of N integers. These integers fall within the range from 0 to N - 1. Some elem ...read moreasked in Software Developer interview
- Q2. 2)Given an n x n matrix, where every row and column is sorted in increasing order. Given a number x, how to decide whether this x is in the matrix. The designed algorithm ...read moreasked in Software Engineer interview
- Q3. Algorithms: Write an algorithm to list elements of a Fibonacci series; There are two unsorted arrays (with no repeating elements) – find the median of the combined array ...read moreasked in Product Manager interview
Directi Interview Experiences
22 interviews found
Anonymous
Interview Questionnaire
5 Questions
- Q1. 1)There are three types of balls arranged linearly in a random order Red, Green and Blue. Now your job is to sort them so that the Red balls are in front follwed by the Green balls and the Blue balls are p...
- Ans.
Sorting an array of 0, 1 and 2 can be done in O(n) using two pointers.
Use two pointers, one for 0 and one for 2, and a current pointer to traverse the array
If the current pointer encounters a 0, swap it with the 0 pointer and move both pointers to the right
If the current pointer encounters a 2, swap it with the 2 pointer and move the 2 pointer to the left
Repeat until the current pointer meets the 2 pointer
- Q2. 2)Given an n x n matrix, where every row and column is sorted in increasing order. Given a number x, how to decide whether this x is in the matrix. The designed algorithm should have linear time complexity...
- Ans.
Algorithm to find if a number is present in a sorted n x n matrix with linear time complexity.
Start with the top right element
Compare the element with x
If equal, return its position
If e < x, move down (if out of bounds, return false)
If e > x, move left (if out of bounds, return false)
Repeat till element is found or returned false
- Q3. 3)In the same matrix mentioned above find the kth maximum element. I said that we just need to compare the last K x K sub matrix and to find the Kth element
- Q4. 4)Given a set of integers, Display the non-empty subsets whose sum is zero. For example, given the set { −7, −3, −2, 5, 8}, the answer is the subset { −3, −2, 5} which sums to zero. This is the special case of knapsack problem and hence it is NP- Complete so i said we cannot find the solution in polynomial time.We consider all the subsets with k elements. Then check how many of these sets have a sum of 0. This is an exponential time algorithm
- Ans.
The problem is to find non-empty subsets of a given set of integers whose sum is zero.
The problem is a special case of the knapsack problem and is known to be NP-Complete.
A brute-force approach would involve generating all subsets and checking their sums.
The brute-force approach has an exponential time complexity.
There is no known polynomial time solution for this problem.
- Q5. 5)Create a data structure where inserting, deleting and finding the minimum element all have O(1) time. i said we can use augmented stack where with each element we can augment the minimum element along wi...
- Ans.
Data structure with O(1) insert, delete, and find min without creating new structures
Use two stacks, one for actual data and one for minimum values
When inserting, push the value onto the data stack and push the minimum of the new value and the top of the minimum stack onto the minimum stack
When deleting, pop from both stacks
When finding the minimum, return the top of the minimum stack
Interview Preparation Tips
Experience: There is a drought situation in Agrabah.King got worried and called Aladdin for helping him out. As he is a modern Aladdin he tookprintouts of places around Agrabah from google maps.For analyzing the map properly, he converted the map into a M x N grid. Each point is represented by either ?0? or ?1?.?1? represents the unit area of water and ?0? represents the unit areaof land. King told him to find the largest continuous patch of water.so that he can send his people over there.As our Aladdin is modern, but not a good programmer, he wants your help. Help him out by printing out the largest area water patch available on map.
College Name: NA
Skills evaluated in this interview
Top Directi Software Engineer Interview Questions and Answers
Software Engineer Interview Questions asked at other Companies
Selected
I applied via Walk-in and was interviewed in Feb 2023. There were 5 interview rounds.
Basic HR Round to get basic requirements of IT Manager
(2 Questions)
- Q1. One Round With Shift Leads to check your communication technical skills and behaviors
- Q2. Basic technical questions from Port number to scenario
(1 Question)
- Q1. Final round with Team Manager, He mostly repeats the questions and focuses on a questions which you were not able to answer in the shift lead round to know if you are hungry for knowledge or not
(1 Question)
- Q1. If you are applying for a higher position then the IT Project manager comes into the scene, And their questions are based on your profile but this will be very technical
Interview Preparation Tips
Focus on technical accurate answers rather than English communication as 90% of the crowd will speak with you in local languages rather than English. Yes, But English communication will get the higher package.
IT Support Executive Interview Questions asked at other Companies
I applied via Recruitment Consulltant
It was a clear job and I managed to do well with the guidelines presented. This is not a real review because theyre forcing me to write one
None at all of course this is all nonsense because I want to read reviews so I need to write this crap
The coding test was just terrific easy and manageable all in all a good experience
Interview Preparation Tips
Intern Interview Questions asked at other Companies
Selected
I applied via Naukri.com and was interviewed before Jun 2023. There were 2 interview rounds.
Given a set of questions to be solved within a given time frame.
(3 Questions)
- Q1. About myself and projects done during my academics
- Q2. Various Oops concepts
- Q3. DNS concepts -How does internet work? what happens when someone types a url in browser?
Top Directi Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
Directi interview questions for popular designations
PM School
Interview Questionnaire
14 Questions
- Q1. Run me through your resume. Why Product Manager? Why DirectI, which product did you apply for and why?
- Ans.
I have a strong background in product management and a passion for creating innovative solutions. I applied for the Product Manager position at DirectI because of their reputation for excellence and the opportunity to work on their cutting-edge products.
I have X years of experience in product management, successfully launching several products in the past.
I have a proven track record of driving product strategy and del...
- Q2. Give a brief of the features suggested in the case solution submitted.
- Ans.
The case solution submitted suggested features such as personalized recommendations, social media integration, and a user-friendly interface.
Personalized recommendations based on user behavior and preferences
Social media integration for easy sharing and promotion
User-friendly interface with intuitive navigation and clear calls to action
Integration with third-party services such as payment gateways and shipping provider...
- Q3. Pick the feature that is a revenue stream and estimate the revenue generated in a year.
- Ans.
The subscription feature is a revenue stream.
Subscription feature allows users to pay for premium content or services.
Estimate revenue based on current user base and potential growth.
Consider pricing strategy and competition.
Example: Spotify Premium generates $1.5 billion in revenue annually.
- Q4. How much should BookMyShow bid for an AdWord that will figure as the top result in a Google search?
- Ans.
The bid for the AdWord should be based on the value of a click and the conversion rate.
Calculate the value of a click by estimating the revenue generated per click.
Determine the conversion rate of the website to estimate the number of clicks needed to generate a sale.
Consider the competition for the keyword and adjust the bid accordingly.
Use tools like Google Keyword Planner to estimate the bid range for the keyword.
Re...
- Q5. You are Product Manager of YouTube and average time spent on Youtube by a user has fallen in the last 2 weeks. How will you troubleshoot the problem.
- Ans.
As Product Manager of YouTube, troubleshoot the problem of falling average time spent on YouTube by a user in the last 2 weeks.
Analyze user behavior and identify the reason for the drop in average time spent
Conduct surveys to understand user preferences and expectations
Review competitor offerings and identify areas of improvement
Introduce new features or content to increase user engagement
Improve user experience and in...
- Q6. Couple of algo questions. Ex: Sort two unsorted arrays into one.
- Ans.
Merge two unsorted arrays into one sorted array.
Create a new array to store the merged array
Loop through both arrays and add elements to the new array
Sort the new array using any sorting algorithm
Return the sorted array
- Q7. Recommendation engine: What factors will you consider while designing a recommendation engine for a news website like MSN?
- Ans.
Factors to consider while designing a recommendation engine for a news website like MSN.
Identify user preferences and behavior
Analyze user history and engagement
Consider content relevance and recency
Incorporate social media trends and user feedback
Use collaborative filtering and machine learning algorithms
Ensure diversity in recommendations
Optimize for speed and scalability
- Q8. Ad fraud: How is ad fraud carried out? How will you detect a bot’s fraud (list all mechanisms).
- Ans.
Ad fraud and detecting bot fraud mechanisms
Ad fraud can be carried out through click fraud, impression fraud, and conversion fraud
Detecting bot fraud can be done through analyzing user behavior, IP addresses, and device information
Other mechanisms include using machine learning algorithms and third-party verification tools
Examples of bot fraud detection tools include WhiteOps, DoubleVerify, and Integral Ad Science
- Q9. Algorithms: Write an algorithm to list elements of a Fibonacci series; There are two unsorted arrays (with no repeating elements) – find the median of the combined array (use a 3rd array if you wish). Find...
- Ans.
Algorithm to list Fibonacci series and find median of combined array with and without 3rd array
For Fibonacci series, start with 0 and 1, then add previous two numbers to get next number
For finding median of combined array, merge the two arrays and sort them, then find the middle element(s)
For finding median without 3rd array, use two pointers to traverse both arrays simultaneously and keep track of previous and current
- Q10. What was a typical day in your previous job?
- Ans.
As a Product Manager, my typical day involved collaborating with cross-functional teams, analyzing market trends, and prioritizing product roadmap.
Collaborated with cross-functional teams to ensure alignment on product vision and roadmap
Analyzed market trends and customer feedback to identify opportunities for product improvement
Prioritized product roadmap based on business goals and customer needs
Conducted user resear...
- Q11. Design a car sharing app. Create mockups, describe features. What is your customer acquisition strategy?
- Ans.
A car sharing app that connects car owners with people who need a ride.
Users can search for available cars in their area and book a ride.
Car owners can list their car and set their own price for the ride.
The app should have a rating system for both drivers and passengers.
Payment should be handled through the app.
Customer acquisition strategy can include social media advertising, referral programs, and partnerships with
- Q12. Youtube is planning remove the option to “skip to videos” to appease advertisers. How should Youtube price this option to advertisers?
- Ans.
Advertisers want to remove 'skip to video' option on Youtube. How should it be priced?
Pricing should be based on the length of the video.
Advertisers should pay more for longer videos.
Pricing should also consider the popularity of the video.
Advertisers should pay more for popular videos.
Auction-based pricing could be used to determine the price.
Advertisers could bid on the price they are willing to pay for the option.
Pr...
- Q13. Questions on feasibility of features and their monetisation strategy.
- Ans.
Feasibility and monetisation strategy for product features.
Conduct market research to determine demand and willingness to pay
Assess technical feasibility and resource requirements
Consider potential revenue streams and pricing models
Evaluate competition and differentiation opportunities
Prioritize features based on impact and feasibility
Iterate and refine monetisation strategy based on user feedback
- Q14. You are PM of Flipkart and interviewer is the DB administrator. Cart abandonment in Flipkart has gone up in the last week. What data (in SQL parlance) will you ask the DB guy to find the root cause?
- Ans.
As PM of Flipkart, what SQL data would you ask the DB admin to find the root cause of cart abandonment increase?
Ask for data on the number of abandoned carts in the last week compared to previous weeks
Check if there were any changes made to the checkout process or payment options
Analyze the data on the products that were abandoned in the cart
Look for any technical issues or errors that may have occurred during the chec...
Interview Preparation Tips
1) Be thorough with your case submission. Do not mention any feature unless you think it is feasible (technically and economically).
2) Be ready for estimation questions. If the metrics provided are user engagement, CTR, CPC, etc., think through how much each will contribute to revenue in a year. Be prepared with this and not wait to hear it for the first time in the interview.
3) Basic premise: BookMyShow should bid at least as much as the profit it will make through the revenue generated by the AdWord. This boils down to an estimation question about CTR, Avg. ticket size on BookMyShow, CLV of a customer and of course, market size estimation.
4) I think they believe that only by pushing to the limit will creative solutions appear. While solving case type questions, think out loud. Make assumptions and say it loud and provide a rationale for making such an assumption (they shouldn’t be outrageous assumptions).
5) Recommendation engine: Thinking from the perspective of end-users always helps get insights. (Read consumer behaviour). Draw a process chart of how a user would interact with the system and undergo the process step by step. Prior knowledge of workings of search, reco engines will help in listing down the obvious factors. For every factor listed down, discuss if the interviewer agrees with you. Provide your rationale behind the suggestion. (Q7)
6) Ad fraud: Understand the definition of fraud and just to be sure that both are on the same page as far as the understanding of Q goes. If you know technically how ad fraud works, great – feel free to include tech jargon in to your answer. Be careful to not go too deep unless you are sure of what you are saying (you can’t faff on tech aspects). List down metrics to identify bots for fraud (click in my case – links and images). (Q8)
7) Sample metrics/mechanisms to detect: Originating IP of request is same for all suspicious clicks in a day; there will be a pattern in the time to trigger a click after the page fully loads (API request is completed); mouse click always happens at the same end-point on the image on the screen; cursor moves in a straight line from point of origin to end point. (Q9)
8) Do a feasibility analysis of the case submitted while applying for the job. List down why you think the feature will work and why it might not work. Through a tree diagram explain different possible scenarios and how you will overcome the problematic scenarios. Drive home your point by providing assumptions and estimates of the output you claim to achieve through the feature. (Q13)
9) Cart abandonment is a popular case scenario for PM roles. Firstly, draw the user journey from purchase intent to purchase on the app/website. Understand user motivation at each step.
*Identify the step at which the cart being abandoned.
*Upon reaching an agreement with the interviewer on the step list down possible reasons why cart could be abandoned at this step.
(*are the steps at which interviewer wanted SQL queries)
While listing each factor/reason, explain why you think so. There will be cross questioning on this. (Q14)
10) At the end ask some question that will stand out. Easiest way is to make sure the interviewer is made to think to answer the question. This there will most likely be a follow-up comment and couple of minutes of discussion.
Skills evaluated in this interview
Top Directi Product Manager Interview Questions and Answers
Product Manager Interview Questions asked at other Companies
I was interviewed in Jan 2021.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
There were 2 coding questions. All of them were pretty easy and solvable in less than 40 minutes. Some string and pattern matching + some number theory problems were there.
- Q1.
Maximum Product Subarray Problem Statement
Given an array of integers, determine the contiguous subarray that produces the maximum product of its elements.
Explanation:
A subarray can be derived from th...
- Ans.
Find the contiguous subarray with the maximum product of elements in an array.
Iterate through the array and keep track of the maximum and minimum product ending at each index.
Update the maximum product by taking the maximum of current element, current element * previous maximum, current element * previous minimum.
Update the minimum product by taking the minimum of current element, current element * previous maximum, cu...
- Q2.
Postfix Expression Evaluation Problem Statement
Given a postfix expression, your task is to evaluate the expression. The operator will appear in the expression after the operands. The output for each expr...
- Ans.
Evaluate postfix expressions by applying operators after operands. Return result modulo (10^9+7).
Iterate through each character in the postfix expression
If character is an operand, push it onto the stack
If character is an operator, pop two operands from stack, apply operator, and push result back
Repeat until end of expression, return final result modulo (10^9+7)
(3 Questions)
Round duration - 60 minutes
Round difficulty - Hard
This was a technical round. First after properly introducing ourselves(me and the interviewer), we started with the main interview. I was asked 2 questions, one DS and Algorithms and the other System Design question.
- Q1.
Problem Statement: Sibling Nodes
You are provided with a Binary Tree consisting of 'N' nodes, where each node holds an integer value. Your objective is to identify and list all nodes that do not possess a...
- Ans.
Identify and list nodes in a Binary Tree that do not have a sibling.
Traverse the Binary Tree in level order to identify sibling nodes.
Keep track of nodes without siblings and output them in ascending order.
Handle cases where nodes have only one child or no children.
Consider the root node as a sibling node.
Sort the output list of nodes without siblings in ascending order.
- Q2.
Merge Overlapping Intervals Problem Statement
Given a specified number of intervals, where each interval is represented by two integers denoting its boundaries, the task is to merge all overlapping interv...
- Ans.
Merge overlapping intervals and return sorted list of merged intervals.
Identify overlapping intervals based on start and end times
Merge overlapping intervals to form new intervals
Sort the merged intervals in ascending order of start times
- Q3. Design a streaming service similar to Netflix and explain how it onboard new content.
- Ans.
Design a streaming service like Netflix and explain content onboarding process.
Create a user-friendly dashboard for content providers to submit new content.
Implement a review process to ensure quality and compliance with guidelines.
Use algorithms to categorize and recommend new content to users based on their preferences.
Negotiate licensing deals with production companies to acquire new content.
Regularly update the lib
Interview Preparation Tips
Tip 1 : Make sure to solve the most recommended problems of LeetCode. Around 200 will do
Tip 2 : Be confident with your basics of chapters from Operating Systems and DBMS or SQL Queries.
Tip 3 : Have a slight knowledge of system designing concepts.
Tip 1 : Make your Resume such that it is properly readable. Keep it of one page. If it exceeds try your best to include only the most important highlights.
Tip 2 : Put your most important achievements at the top and after than the not so important ones. You want the interviewer to see them first.
Skills evaluated in this interview
Software Developer Intern Interview Questions asked at other Companies
I was interviewed before Sep 2020.
(1 Question)
Round duration - 60 minutes
Round difficulty - Medium
It was problem solving round.
Questions revolve around solving problems in javascript.
Like deep flattened the array, print level wise elements of same problem.
- Q1.
Occurrence of X in a Sorted Array Problem Statement
Given a sorted array of integers of size N and an integer X, determine the total number of occurrences of X in the array.
Input:
The first line of the... - Ans.
Count occurrences of a given integer in a sorted array.
Use binary search to find the first and last occurrence of X in the array.
Calculate the total occurrences by subtracting the indices and adding 1.
Handle edge cases like X not present in the array.
Time complexity can be O(log N) using binary search.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
There were 2 problems, related to DS and Algorithms.
- Q1.
Leaf Nodes Retrieval from Binary Tree
Given a binary tree, implement a function that returns a list of leaf nodes following their appearance from left to right. If leaf nodes are equidistant from the left...
- Ans.
Implement a function to retrieve leaf nodes from a binary tree in left-to-right order.
Traverse the binary tree in a depth-first manner, keeping track of leaf nodes encountered.
Store leaf nodes in a list while traversing the tree.
If leaf nodes are equidistant from the leftmost node, prefer the node at a lesser depth.
Return the list of leaf nodes in the order they appear from left to right.
- Q2.
Exclusive Time of Functions
We are executing a program containing 'N' functions on a single-threaded CPU. Each function has a unique 'ID' between 0 and (N-1). Each time a function starts or ends, a log is...
- Ans.
Calculate exclusive time of functions based on logs of function start and end times.
Parse the input logs to calculate exclusive time for each function ID.
Use a stack to keep track of function start times and calculate exclusive time when function ends.
Iterate through the logs and update exclusive time for each function ID accordingly.
Round duration - 60 Minutes
Round difficulty - Medium
Round duration - 60 minutes
Round difficulty - Medium
Round duration - 15 minutes
Round difficulty - Easy
Interview Preparation Tips
Tip 1 : Develop a lots of projects with medium complexity [around 5-8].
Tip 2 : Develop projects using css, js html to practice machine coding round under time constraints
Tip 3 : Prepare mostly asked interview questions in JS.
Tip 1: Keep resume only 1 page, don't keep your college at top of resume unless you are from tier 1 and good academic record [I keep at last , though from tier 1 college but poor academic record] .
Tip 2: Write projects, interns and what impact you made, don't waste lines about project.
Skills evaluated in this interview
Top Directi Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
Mohit Gupta
I was interviewed in Dec 2017.
Interview Preparation Tips
Experience: 1) 2D dp question
2) prim's algorithm
3) 3D dp question
Tips: need to solve all 3 question to get shortlisted.
22 students shortlisted
Round: Technical Interview
Experience: Online Skype Round
Round: Technical + HR Interview
Experience: This was the worst round because it was the skype round and there was communication problem. The interview started with summer intern project discussion and I required
to draw some diagrams to explain him and it was really difficult to explain him through the poor communication but he somehow got the idea of project.
He asked there are 2 type of transactions in bank credit and debit, He asked how will you model the total amount of money available at bank..(Threading question based
on syncronisation) he asked me to do in JAVA but I told him that I know c++ only, he told me to build in c++ but he wasn't seems to be satistfied fully however he said
its alright.
Then he gave me real confusing problem ---> we are given a huge data of points in 2D points and this point can be floating points. Now you are given queries where you are given a rectangle and you need to output the
all the points inside that rectangle.I proceeded by making buckets in x-axis and then for each bucket along x axis,(I further bucketed along the y-axis, he also helped me a bit in that. )
Then he told he was done and if I had any question- I asked how the team is decided and what is general strength of team and how to switch(15 min discussion.)
I thought that I did fine but may be CV and branch was the weak point as directi is very selective but very few reached the final round, they selected only 2 students but
really good company to work in
College Name: IIT Guwahati
Platform Engineer Interview Questions asked at other Companies
I was interviewed before May 2021.
(2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
This was a technical round.
- Q1.
Duplicate Elements in Array
You are provided with an array or list called
ARR, consisting ofNintegers. These integers fall within the range from 0 to N - 1. Some elements in this array may appear more t... - Ans.
Identify duplicate elements in an array of integers within the range from 0 to N - 1.
Iterate through the array and keep track of seen elements using a hash set.
If an element is already in the set, it is a duplicate and can be added to the result.
Return the list of duplicate elements found in the array.
Example: For input [1, 3, 1, 3, 4], output should be ['1', '3'].
- Q2.
Find Triplets with Given Sum Problem Statement
Given an array
ARRconsisting ofNintegers, your task is to identify all distinct triplets within the array that sum up to a given integerK.Explanation:
... - Ans.
The task is to find all distinct triplets in an array that sum up to a given integer.
Iterate through the array and use a nested loop to find all possible triplets.
Use a set to store unique triplets and avoid duplicates.
Check if the sum of the triplet equals the target sum.
Return the list of valid triplets or -1 if no such triplet exists.
(2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
This was a technical interview round with questions on Programming and algorithms.
- Q1.
Box Stacking Problem Statement
Consider you are provided with 'n' different types of rectangular 3D boxes. For each type of box, you have three separate arrays:
height,width, andlengththat define the d... - Ans.
The task is to stack different types of rectangular 3D boxes to achieve the maximum possible height.
Iterate through all possible rotations of each box type.
Sort the boxes based on their base dimensions in non-increasing order.
Use dynamic programming to find the maximum height achievable by stacking the boxes.
Consider the constraints while implementing the solution.
Example: For input [3, [4, 1, 4], [6, 2, 5], [7, 3, 6]]
- Q2.
Maximum Sum Subarray Problem Statement
Given an array of integers, find the maximum sum of any contiguous subarray within the array.
Example:
Input:
array = [34, -50, 42, 14, -5, 86]
Output:
137
Exp...
- Ans.
Find the maximum sum of any contiguous subarray within an array in O(N) time complexity.
Use Kadane's algorithm to find the maximum sum subarray in O(N) time complexity
Initialize two variables: max_sum and current_sum to track the maximum sum subarray
Iterate through the array and update current_sum by adding the current element or starting a new subarray
Update max_sum if current_sum becomes greater than max_sum
(2 Questions)
Round duration - 50 minutes
Round difficulty - Medium
This was a difficult on to face as we have to hold phone and concentrate and explaining is also very difficult.
- Q1.
Stock Buy and Sell Problem Statement
Given an array/list 'prices' where the elements represent yesterday's stock prices at each minute, determine the maximum profit possible from a single buy and sell act...
- Ans.
Given an array of stock prices, find the maximum profit from a single buy and sell action.
Iterate through the array and keep track of the minimum price seen so far and the maximum profit achievable.
Calculate the profit by subtracting the current price from the minimum price seen so far.
If the profit is negative, set it to 0 as we can't sell without buying first.
- Q2.
Dijkstra's Algorithm Problem Statement
Given an undirected graph with 'V' vertices (labeled 0, 1, ..., V-1) and 'E' edges, where each edge connects two nodes ('X', 'Y') and has a weight that denotes the di...
- Ans.
Dijkstra's algorithm is used to find the shortest path distance from a source node to all other nodes in a graph.
Implement Dijkstra's algorithm to find the shortest path distances from node 0 to all other nodes in the graph.
Use a priority queue to efficiently select the next node with the shortest distance.
Initialize distances to all nodes as infinity except for the source node which is 0.
Update distances to neighborin...
Round duration - 30 minutes
Round difficulty - Easy
This was a small interaction just to make us familiar in Mumbai office.
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
Top Directi Software Developer Interview Questions and Answers
Software Developer Interview Questions asked at other Companies
Interview Preparation Tips
Experience: 1. Queue in O(1) solution.. I came up with a method and it was not the most optimal one…
and I asked if I should optimize more.. he said he was happy with the solution I gave and
proceeded to the next question…
2. For eg.. if there is a string abda. I shud reverse it n/2 times.. ie… say
1st rev: adba
2nd rev: (during the second reversal I shouldnot rev from beg.. but rev the string between ( i+1,j
1) where i=0,j=n1in the first case….)ie
a db a => a bd a….
so it is abda finally….after n/2 reversal we get the initial string which is abda.. this is a
favourable case and I increment the count by 1…
The question is give the string length say n=4 how do u find out the total number of strings
which will have the favourable condition after n/2 reversals…. I came up with a solution… just
think over it.. not a difficult one… just 5mins of thinking will get u reach the right answer….
3. There are 100 petrol pumps between two points A and B/.. u have to select 10(say) petrol
pumps such that the largest distance between any two petrol pumps should be minimum…I gave
a top down approach.. guess he expected a bottom up approach…. But at the end he was quite
happy with my answer…
4. tel me a scenario where i cud use MERGE SORT AND QUICK SORT AND WHERE I CAN
USE ONE NOT THE OTHER.. and the differences...
MERGE SORT:
when there is 1GB of things to be solved we can divide that 1 GB into A*B=1GB , such that
each division will have a size of A(MBs)... in this case I cannot bring the entire 1GB into
memory.. So i ll bring A(MB) into memory at a time sort it and keep it and sort all the B
divisions and do a BWAY Merge... which will be easier... But this kinda thing cant be done in
quick sort...
Quick SORT:
if we want to find the Kth smallest v can use quick sort without sorting the entire array but its
enuogh.. till the pivot element is placed at the kth position... (random select...)...... this cant be
applied for merge sort..where v have to sort the entire thick to identify.. kth smallest...
Round: Technical Interview
Experience: This round involved all concepts right from OS, DBMS, Networks, Data structure, Algorithms, your
projects, a slight touch on testing…
Topics covered in each subject:
OS: Threads, process… difference.. if threads have more advantages y go for process??
Semaphores, Synchronization, concurrency problems, Second chance algorithm in virtual
memory chapter….
DBMS: Second highest salary… TRY TO USE TOP… I TOLD HIM TWO SOLUTIONS ONE
WITH TOP AND OTHER WITHOUT TOP … But he emphasized me to use TOP first.. So use
that…
He gave me a set of tables and asked me write queries
Indexing was also an important concept he asked me.. B+ trees properties and how used in DB.
Normalization of my tables in my project….
Data structures:
Difference between binary trees, hash map, Tries.
A scenario where BST has advantages than hash map without any collision.
How do we avoid collision in hash
Example of a good hash being used…(I told STL..he said no that’s a different concept.. I then
said…Java hash map…..that was the right answer… time for getting.. most of the time O(1) and
depending on the inputs and the things it might vary accordingly )
Tries advantages and wen can it be used….and application of it..
Networks:
Layers of OSi.. explanation of each layer
Google.com steps involved
About DNS
Testing:
What do u know about testing…
I explained back and white box testing… alpha n beta testing.. and he said..he was not proficient
in it..n stopped…
Algorithms: (besides the algorithm round)
Difference in greedy n dynamic… which is better….
Kinda company oriented questions:
advantages and disadvantages of that site…
what I know About Advertising online…
all this went for around 1.5 hrs
Skills:
College Name: Anna University Chennai
Application Developer Interview Questions asked at other Companies
I was interviewed before Mar 2016.
Interview Questionnaire
2 Questions
- Q1. What made me want to apply to this company?
- Ans.
I was attracted to this company because of its strong reputation in the industry and its commitment to innovation.
The company has a proven track record of success and is highly regarded in the market.
I was impressed by the company's focus on staying ahead of industry trends and constantly seeking new ways to improve.
The company's values and mission align with my own professional goals and aspirations.
I was excited abou...
- Q2. What are the key point of marketing that got me fascinating in majoring in it?
- Ans.
The key points of marketing that fascinated me were its creativity, strategic thinking, and impact on consumer behavior.
Creativity in developing unique campaigns and messaging to attract customers
Strategic thinking in analyzing market trends and competition to create effective marketing strategies
Impact on consumer behavior by influencing purchasing decisions through targeted marketing efforts
Interview Preparation Tips
Experience: This was just a basic call to check my command over the language and figure how interested i was for the job opening. Basic questions and verification.
Round: Group Discussion
Experience: So this seemed like the most basic GD i had ever gone through. Sitting in a circle talking in turns, I couldn't understand why the need so such a basic topic would be required after some people started listed things about facebook and orkut (its an old interview) which made me realize a lot of these candidates though from decent colleges still thought the internet is basically facebooking and orkuting which I found extremely funny, the interviewers looks already could tell who went to the next round and who were let go off. I spoke about how the internets much bigger than just social media of a certain companies and its vast knowledge is a boon. Also from a companies point of view to have a platform to tell people of what it manufactures or provides as a product or service to the entire world makes a platform like the internet an awesome place.
Duration: 35 minutes
Round: Technical + HR Interview
Experience: So time for personal interview and final interview, I walk in meet this guy whose wearing a T-shirt, don't be surprised. (Internet Firm) Also this guys a IIT , IIM A and very professional. sits me down asks me some basic questions and some that should corner me. I reply to all of them I've listed them above. We have a quick chat about how some candidates were really off point on the group discussion he was just trying to see my mindset thus he started that conversation. Conversations is fun and he sees I'm enjoying it , which I was.
He then tells me You'd already know what all to answer as you are referred by a friends who works here. I said,"Yes, So please don't ask me to sell you a pen or something like that". I laugh.
(Mind you while all of this is going on there is a female sitting extremely behind in the room just assessing my interview. )
Then the Interviewer smiles and says you see that female sitting behind assessing the interview , ask her out . If she says yes, I'll hire you . Wish I could record the look on my face, partially embarrassed partially surprised for a moment. Then I smile , tell him. Guess I'm done talking to you. I just need her approval and that's it. I go up to her ask her name, tell her how I'm happy that it was her job to eavesdrop on our conversation so that's made it easier for me to do this. I tell her about restaurant that serves different type of food and has an open mic every friday and if shes interested I could pick her up from her place. Also explain her the ambience and tell her shed really enjoy it . I'd done it once and it was fun . She says no, saying shes never been to an open mic before. I try to explain more , but shes like Ive never been to an open mic so im not interested. I immediately ask her if shes been to Iran ? she says no, I ask her so how is Tehran (The capital) as a city to be at. Shes like I do not understand . Then I explain if you've never been to an open mic how would you ever know how awesome it is . Let me pick you up at 8 Friday, you'll have a great time.
I purposely don't talk about non veg or alcohol because i do not know her food preferences so I stick away from that. The guy calls me back laughs and says lets talk salary. I get the job.
Basically the key is to be confident and not give up.
P.S: Its another story that the Interviewer and now my boss kept joking about how i asked a girl out jut for a job. :D
Tips: Stick to what you are confident at, don't give up, maintain eye contact.
Skills: Sales, Marketing, Confidence
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