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Calculate the height of a tree using a segment tree data structure.
A segment tree is a binary tree used for storing intervals or segments.
Each node represents an interval and stores information about that interval.
To find the height, recursively calculate the height of left and right subtrees.
Example: For a tree with nodes 1, 2, 3, the height is 2 (root + 1 level).
Height can be defined as the number of edges in th...
Joins are required to combine data from multiple tables based on related columns.
To retrieve related data from different tables, e.g., joining 'patients' and 'appointments' tables to get patient appointment details.
When performing complex queries that require data from multiple sources, e.g., joining 'orders' and 'customers' to analyze sales.
To enforce referential integrity by linking primary keys in one table to ...
Sorting an array involves arranging its elements in a specific order, typically ascending or descending.
Use built-in functions: Most programming languages have built-in sort functions. Example: `array.sort()` in Python.
Custom sorting: You can define your own sorting logic using comparison functions. Example: `sorted(array, key=len)` sorts by string length.
Sorting algorithms: Implement algorithms like Quick Sort or...
Experienced Project Manager with a strong background in leading cross-functional teams and delivering projects on time and within budget.
Over 8 years of experience in project management across various industries, including IT and construction.
Successfully led a team of 15 in a software development project that increased client satisfaction by 30%.
Skilled in Agile and Waterfall methodologies, having implemented Agi...
Dijkstra's algorithm finds the shortest path between nodes in a graph, using a priority queue for efficient pathfinding.
Graph Representation: Dijkstra's algorithm works on weighted graphs, where edges have non-negative weights, representing distances or costs.
Initialization: Start with a source node, setting its distance to zero and all other nodes to infinity, indicating they are unreachable initially.
Priority Qu...
LRU cache algorithm evicts the least recently used items first to optimize memory usage and improve access speed.
Eviction Policy: LRU removes the least recently accessed items when the cache reaches its limit, ensuring frequently used items remain available.
Implementation: Typically implemented using a combination of a hash map for fast access and a doubly linked list to maintain the order of usage.
Example: If a c...
Google is a search engine that organizes information from the web to provide relevant search results to users.
Google uses algorithms to index and rank web pages based on relevance and quality.
It employs a crawler (Googlebot) to discover and update content on the internet.
Search results are personalized based on user behavior and location.
Google offers various services like Google Maps, Google Drive, and Google Pho...
A p-value measures the strength of evidence against the null hypothesis in statistical hypothesis testing.
A p-value ranges from 0 to 1, with lower values indicating stronger evidence against the null hypothesis.
Common thresholds for significance are 0.05, 0.01, and 0.001.
For example, a p-value of 0.03 suggests there is a 3% probability of observing the data if the null hypothesis is true.
A p-value does not indicat...
Find the kth largest number in an array using sorting or a min-heap approach.
Sort the array in descending order and return the element at index k-1. Example: [3, 1, 4, 1, 5], k=2 -> 4.
Use a min-heap of size k to keep track of the largest k elements. Example: [3, 1, 4, 1, 5], k=2 -> 4.
Consider edge cases: if k is greater than the array length, return an error or a specific value.
Find pairs (i, j) in an array where arr[i] + i equals arr[j] + j.
Transform the problem: Define a new array where each element is arr[i] + i.
Use a hashmap to store indices of each unique value from the transformed array.
For each value in the hashmap, if there are multiple indices, form pairs.
Example: For arr = [1, 2, 3, 4], transformed = [1, 3, 5, 7]. No pairs found.
Example: For arr = [0, 1, 2, 3], transformed = [0...
I appeared for an interview in Dec 2024, where I was asked the following questions.
I appeared for an interview in Mar 2025, where I was asked the following questions.
I gather client requirements through effective communication, research, and iterative feedback to ensure alignment with their vision.
Conduct initial meetings to discuss project goals and expectations.
Use questionnaires to gather detailed information about client preferences.
Create mood boards or visual references to align on design aesthetics.
Iterate on designs based on client feedback to refine the final product.
Utili...
I use various tools throughout the design process, from brainstorming to final delivery, ensuring efficiency and creativity.
Brainstorming: I use tools like MindMeister for mind mapping ideas.
Wireframing: I prefer Balsamiq or Adobe XD to create low-fidelity wireframes.
Design: For high-fidelity designs, I typically use Adobe Illustrator and Photoshop.
Prototyping: Tools like InVision or Figma help me create interactive pr...
I embrace client feedback as a vital part of the design process, ensuring their vision is realized through collaboration and open communication.
Listen actively to client feedback to understand their perspective and needs.
Clarify any ambiguous feedback by asking follow-up questions to ensure alignment.
Prioritize revisions based on the client's goals and the project's objectives.
Provide mockups or prototypes to visualize...
I appeared for an interview in May 2025, where I was asked the following questions.
I appeared for an interview in May 2025, where I was asked the following questions.
I appeared for an interview in Feb 2025, where I was asked the following questions.
posted on 18 Jan 2025
I applied via Company Website and was interviewed in Dec 2024. There were 3 interview rounds.
I appeared for an interview in Dec 2024.
Data Analysis and Automation Testing.
Team work and communication
Balancing income and study is possible with proper time management and prioritization.
Prioritize tasks based on importance and deadlines
Create a study schedule that fits around work hours
Utilize breaks at work to study or review material
Consider part-time study options or online courses
Seek financial aid or scholarships to alleviate financial burden
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
Social networking refers to the use of internet-based platforms to connect with others, share information, and build relationships.
Social networking sites allow users to create profiles, connect with friends, and share updates and photos.
Popular social networking platforms include Facebook, Twitter, Instagram, and LinkedIn.
Social networking can be used for personal connections, professional networking, and marketing pu...
The number of people added in Google is constantly changing due to hiring, acquisitions, and other factors.
Google adds thousands of employees each year through hiring and acquisitions.
As of 2021, Google has over 140,000 employees worldwide.
The exact number of people added in Google can vary depending on the time frame and specific context of the question.
A charts accountant is a professional who specializes in creating and analyzing financial charts and graphs to help businesses make informed decisions.
Charts accountants use data visualization techniques to present financial information in a clear and concise manner.
They often work with software programs like Microsoft Excel or Tableau to create charts and graphs.
Charts accountants help businesses track key performance...
A gaming review is an evaluation of a video game, assessing its gameplay, graphics, sound, and overall quality.
Gaming reviews provide insights into the strengths and weaknesses of a game.
They often include ratings or scores to summarize the reviewer's opinion.
Reviews may also discuss the game's story, mechanics, replay value, and technical performance.
Examples of popular gaming review websites include IGN, GameSpot, an...
Very hardworking studying in coding
I applied via Campus Placement
I worked on developing a website for a local non-profit organization.
Collaborated with the organization to understand their needs and goals
Designed a user-friendly interface with donation functionality
Implemented responsive design for mobile compatibility
Tested the website for bugs and usability issues
Provided training to the organization's staff on how to update content
I prioritize tasks by assessing deadlines, importance, and dependencies.
Assess all deadlines and prioritize based on urgency
Consider the importance and impact of each task
Identify any dependencies between tasks and plan accordingly
Break down larger tasks into smaller, manageable sub-tasks
Use tools like to-do lists or project management software to stay organized
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The duration of Google interview process can vary, but typically it takes about less than 2 weeks to complete.
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Bangalore / Bengaluru
3-6 Yrs
Not Disclosed
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