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I appeared for an interview before Dec 2020.
Round duration - 87 minutes
Round difficulty - Medium
Timing : It was conducted in evening at 3 PM
The pacreception environment was very user friendly .
The platform was audio and video proctored.
Convert a given binary number, represented as a string 'S' of size 'N', into its decimal equivalent integer and output it.
The first line contains an integer 'T', den...
Convert a binary string to its decimal equivalent integer.
Iterate through the binary string from right to left, multiplying each digit by 2 raised to the power of its position.
Add the results of the multiplication to get the decimal equivalent.
Ensure the binary string consists only of '0' and '1' characters.
Handle multiple test cases by repeating the conversion process for each case.
Round duration - 80 minutes
Round difficulty - Medium
So This was a very interactive round . There were two interviewers , one male and one female . The male interviewer was quite experienced where as female interviewer was relatively new . The Interview started by a small introduction followed by some OOPS related questions where I was tested on how i perceive the concept of OOPS in real life . Then this conversation was followed by some core concepts of JAVA like abstract classes and interfaces . Then I was asked about my projects that i mentioned in my resume , then after some healthy discussion on those projects , the interviewer started to question about DBMS , I was asked some basic queries followed by some advanced queries and then followed by a discussion on SQL vs NoSQL . Then Interviewers asked me about my tech stack and the source of my technical knowledge. Then at last I was asked that why Blackrock and this concluded my Interview.
Ninja is provided with 'N' stars and the task is to construct a triangle such that the 'i'th level of the triangle uses 'i' number of stars. The goal is to make th...
Given 'N' stars, construct a triangle with maximum height using 'i' stars in 'i'th level.
Calculate the maximum height of the triangle using the formula: height = floor((-1 + sqrt(1 + 8 * N)) / 2)
Iterate through each test case and calculate the maximum height for each 'N'.
Output the maximum height for each test case.
Tip 1 : Be precise about what to do and what not to do.
Tip 2 : Always Revise the concepts you have done in past , use prime day revision theory.
Tip 3 : Do as many projects as you can but always mention those projects in which you are very well versed.
Tip 4 : Keep on reading random news related to your favourite tech and always have an in depth knowledge of what tech you currently use.
Tip 1 : Keep it short , precise and effective .
Tip 2 : Mention even small things that you did had an impact on other people.
I appeared for an interview in Sep 2016.
The Internet is a global network of computers that communicate with each other using standardized protocols.
The Internet is made up of millions of interconnected devices, including computers, servers, routers, and switches.
Data is transmitted over the Internet in the form of packets, which are small units of information.
The Internet uses a set of protocols, such as TCP/IP, to ensure reliable and efficient communication...
HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.
HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.
HTTP operates on port 80, while HTTPS operates on port 443.
HTTP data is transmitted in plain text, while HTTPS data is encrypted using SSL/TLS.
HTTPS provides authentication, integrity, and confidentiality of data exchanged between a client and a server.
W...
White box testing is a method of testing where the internal structure and implementation details of the software are known and tested. Black box testing is a method of testing where the internal structure and implementation details of the software are unknown and only the inputs and outputs are tested.
White box testing is also known as clear box testing, glass box testing, or structural testing.
It focuses on testing th...
Print a pattern using code
Use nested loops to iterate through rows and columns
Use string concatenation to build each row of the pattern
Print each row to display the pattern
Merge two arrays without using a third array.
Use the concat() method to merge the arrays.
Alternatively, you can use the push() method to add elements from one array to another.
Remember to handle the case where the arrays have different lengths.
The probability that three ants at the corner of a triangle will never meet.
The ants can move randomly in any direction.
The probability depends on the shape and size of the triangle.
The probability can be calculated using geometric probability or simulation.
Assumptions need to be made about the ants' movement patterns.
I have regretted decisions in the past but learned from them to make better choices in the future.
Regretted not studying enough for a crucial exam, leading to a lower grade. Learned to prioritize studying and time management.
Regretted not speaking up in a meeting when I had a valuable idea. Learned to be more assertive and confident in sharing my thoughts.
Regretted not taking a job opportunity that could have advanced ...
I come from a close-knit family with a passion for outdoor activities. We recently celebrated my brother's graduation, which was a proud moment for all of us.
Family: Close-knit and supportive
Hobbies: Outdoor activities like hiking and camping
Proud moment: Brother's graduation ceremony
I appeared for an interview before Jun 2016.
I prefer to work in a location that offers a vibrant and diverse community, with access to cultural events and opportunities for personal growth.
I value a location that has a strong sense of community and offers a variety of cultural activities.
Access to educational and personal growth opportunities is important to me.
I am open to considering different locations that meet these criteria.
I appeared for an interview before Aug 2016.
I have the analytical skills, experience, and passion to excel in this role.
I have a strong background in data analysis and interpretation
I have experience in using various analytical tools and techniques
I am detail-oriented and have a proven track record of delivering accurate and insightful analysis
I am a quick learner and can adapt to new challenges and environments easily
I appeared for an interview before Jan 2016.
posted on 26 Jun 2017
I appeared for an interview before Jun 2016.
The question asks to construct a k-ary tree using the given k and DFS traversal string.
Iterate through the DFS traversal string
If the current character is 'P', create a parent node
If the current character is 'L', create a leaf node
Link the nodes according to the DFS traversal order
To determine if a graph has a node with n degree, iterate through all nodes and count their edges.
Iterate through each node in the graph
Count the number of edges connected to each node
If any node has n edges, then the graph has a node with n degree
posted on 13 Feb 2025
I appeared for an interview before Feb 2024.
First round was a coding test which has 2 problem solving questions and 3 subjective questions based on C++
More of a subjective round, highly focused on OS, networking and computer architecture.
posted on 21 Jun 2022
3 coding questions
A time series database stores data points with timestamps for efficient retrieval and analysis.
Choose a suitable data model for the database
Use a time-based partitioning scheme for efficient data retrieval
Implement compression techniques to reduce storage requirements
Support for querying and analyzing time-based data
Ensure data consistency and durability
Consider scalability and high availability
Examples: InfluxDB, Time
based on 1 interview
Interview experience
10-18 Yrs
Not Disclosed
7-12 Yrs
Not Disclosed
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