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To remove Setup violation, hold violation, I would optimize the timing constraints and perform timing analysis.
Optimize timing constraints to ensure that setup and hold times are met
Perform timing analysis to identify and resolve any timing violations
Use delay constraints to ensure that signals arrive at the correct time
Use clock skew optimization to minimize clock skew and improve timing
Use clock gating to reduce powe...
Yes, Verilog is a hardware description language used to design digital circuits.
Verilog is used to design digital circuits at various levels of abstraction.
It is commonly used in the design of integrated circuits and field-programmable gate arrays (FPGAs).
Verilog is used to describe the behavior of a circuit and its components.
It is also used for simulation and verification of digital circuits.
Verilog has a syntax simi
Yes, I am interested in pursuing a PhD.
I have always been passionate about research and innovation.
I believe a PhD will provide me with the opportunity to delve deeper into my field of interest.
I am also interested in teaching and a PhD will open up more opportunities in academia.
I have already started exploring potential research topics and universities.
I am aware of the challenges and commitment required for a PhD an
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I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.
I applied via Recruitment Consultant and was interviewed in Jun 2020. There was 1 interview round.
I applied via Job Fair
RCC work refers to reinforced concrete construction, which involves using steel bars to strengthen concrete structures.
RCC work involves the use of steel reinforcement bars within concrete to increase its strength and durability.
It is commonly used in the construction of buildings, bridges, dams, and other structures.
The steel bars are placed in specific locations within the concrete formwork before pouring the concret...
2 coding questions were provided
Backend Code of a class booking web app
I appeared for an interview in Feb 2025, where I was asked the following questions.
I appeared for an interview before Sep 2020.
Round duration - 45 minutes
Round difficulty - Easy
This round was telephonic round. The interview lasted for approximately 45 minutes. The interviewer asked me three coding questions. I hustled a bit on 3rd question but after a hint was able to solve it.
Round duration - 120 minutes
Round difficulty - Easy
This round was Online Test on Hackerrank for 120 minutes, it contained 3 questions.
Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:
1. get(key)
- Return the value of the key if it exists in the cache; otherw...
Design a Least Recently Used (LRU) cache data structure that supports get and put operations with capacity constraint.
Use a combination of hashmap and doubly linked list to implement the LRU cache.
Keep track of the least recently used item and evict it when the cache reaches its capacity.
Update the position of an item in the cache whenever it is accessed or updated.
Handle both get and put operations efficiently to main...
Round duration - 60 minutes
Round difficulty - Easy
This round was face to face Interview at Ola Campus and lasted for 1 hour.
Round duration - 35 minutes
Round difficulty - Easy
This round was again a face to face technical interview, I was just asked one question in this round.
Round duration - 30 minutes
Round difficulty - Easy
Only a question of System Design was asked
Design a toll booth system for Ola cabs with necessary functions and data structures.
Use a queue data structure to manage the order of vehicles waiting at the toll booth.
Implement functions for vehicle entry, toll calculation, and exit.
Store vehicle information such as license plate number, type of vehicle, and toll amount in a hash map.
Utilize a priority queue to handle VIP or premium customers efficiently.
Include a f...
Round duration - 30 minutes
Round difficulty - Easy
Very general HR questions were asked
Tip 1 : Be confident in the projects you have mentioned in your resume.
Tip 2 : Always discuss your approach with the interviewer first for any problem.
Tip 3 : Always start with a basic solution and then discuss further optimisations.
Tip 1 : Good projects showing your skills (Be clear in what you achieved from those projects)
Tip 2 : Internship experience at the top (It gives you an edge over others)
I appeared for an interview before May 2021.
Round duration - 90 minutes
Round difficulty - Medium
It was in the morning, where there were 3 questions to answer.
You are provided with a 2-dimensional matrix having N
rows and M
columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...
Count the number of islands in a 2D matrix of 1s and 0s.
Use Depth First Search (DFS) or Breadth First Search (BFS) to traverse the matrix and identify connected groups of 1s.
Maintain a visited array to keep track of visited cells to avoid redundant traversal.
Increment the island count each time a new island is encountered.
Consider all eight possible directions for connectivity while traversing the matrix.
Handle edge ca...
You are provided with an array called ARR
, consisting of distinct positive integers. Your task is to identify all the numbers that fall within the range of the smallest a...
Identify missing numbers within the range of smallest and largest elements in an array.
Find the smallest and largest elements in the array.
Generate a list of numbers within this range.
Filter out the numbers present in the array.
Return the missing numbers in sorted order.
Given a binary tree, your task is to count and return the number of leaf nodes present in it.
A binary tree is a data structure where each node has at most two children,...
Count and return the number of leaf nodes in a binary tree.
Traverse the binary tree and count nodes with both left and right children as NULL.
Use recursion to traverse the tree efficiently.
Leaf nodes have no children, so check for NULL left and right children to identify them.
Round duration - 20 minutes
Round difficulty - Medium
It was a system design round.
OLA app system design involves multiple components like user interface, driver matching algorithm, payment processing, etc.
User interface for booking rides and tracking
Driver matching algorithm based on location and availability
Payment processing for seamless transactions
Real-time tracking of rides for both users and drivers
Round duration - 45 minutes
Round difficulty - Medium
It was a DS Algo round.
Given a binary tree, your task is to determine the diagonal traversal of the tree.
1 2 3 4 -1 5 6 -1 7 -1 -1 -1 -1 -1 -1
...
Diagonal traversal of a binary tree involves traversing nodes diagonally from top to bottom and left to right.
Traverse the tree level by level, starting from the root node.
For each level, keep track of the diagonal nodes and their children.
Use a queue to store nodes at each level and traverse them accordingly.
Example: For input 1 2 3 4 -1 5 6 -1 7 -1 -1 -1 -1 -1 -1, the diagonal traversal is 1 3 6 2 5 4 7.
You are required to determine the minimum number of taps that need to be opened to water an entire one-dimensional garden defined along the x-axis,...
Find the minimum number of taps to water an entire garden along the x-axis.
Iterate over the taps and find the farthest point each tap can reach.
Sort the taps based on their starting points and use a greedy approach to select the taps.
Keep track of the farthest point reachable by the selected taps and the number of taps opened.
Return the minimum number of taps needed to water the entire garden or -1 if it's impossible.
Round duration - 15 minutes
Round difficulty - Medium
HR Round
Tip 1 : Go through standard problems
Tip 2 : You should know about everything you have written on your resume
Tip 1 : Keep it short not more than 1 page.
Tip 2 : Write more about figures and technicality on your resume.
I got to participate in a robotics competition at IIT
Designed and built a robot from scratch
Programmed the robot to complete tasks autonomously
Competed against other teams from different colleges
Learned valuable skills in engineering and teamwork
I chose IIT for its reputation and opportunities. No regrets. The environment is competitive and challenging.
IIT has a strong reputation for producing successful graduates
I was attracted to the opportunities for research and innovation
The academic environment is highly competitive and challenging
I have no regrets about my decision to attend IIT
A portfolio is a collection of investments. Risk can be measured through standard deviation, beta, or value at risk.
A portfolio is a combination of different investments such as stocks, bonds, and mutual funds.
The purpose of a portfolio is to diversify investments and reduce risk.
Risk can be measured through standard deviation, which measures the volatility of returns.
Beta measures the sensitivity of a portfolio to mar...
Beta is a measure of a stock's volatility. Value at risk is a statistical measure of potential losses. Formula for beta is Covariance(Stock, Market) / Variance(Market).
Beta measures a stock's sensitivity to market movements.
Value at risk is the maximum potential loss that an investment portfolio may suffer within a given time frame.
Beta formula is calculated by dividing the covariance of the stock and market returns by...
Covariance measures the relationship between two variables. It measures sensitivity by indicating the direction of the relationship.
Covariance is a statistical measure that shows how two variables are related to each other.
It measures the direction of the relationship between two variables.
A positive covariance indicates that the two variables move in the same direction.
A negative covariance indicates that the two vari...
WACC is the weighted average cost of capital. To value a company, one can use various methods such as DCF, comparables, or precedent transactions. A method to decide on project undertaking is NPV analysis.
WACC is the average cost of all the capital a company has raised
To value a company, one can use DCF, comparables, or precedent transactions
DCF involves projecting future cash flows and discounting them back to present...
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