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I applied via Indeed and was interviewed before Apr 2020. There were 3 interview rounds.
My design process involves research, ideation, prototyping, testing, and iteration.
Research: Gather information about the problem, users, and competitors.
Ideation: Brainstorm and generate ideas for possible solutions.
Prototyping: Create low-fidelity and high-fidelity prototypes to test and refine ideas.
Testing: Conduct user testing to gather feedback and insights.
Iteration: Use feedback to refine and improve the design
Algorithms for manipulating arrays and strings in coding
Use sorting algorithms like quicksort and mergesort for arrays
Use string manipulation functions like substring and replace for strings
Use dynamic programming for optimizing solutions to array and string problems
Designing a large scale Ad Server
Use distributed systems for scalability
Implement caching for faster ad delivery
Ensure high availability and fault tolerance
Use real-time bidding for efficient ad placement
Implement fraud detection mechanisms
Ensure compliance with privacy regulations
I applied via Campus Placement
I am an avid traveler and have visited over 20 countries
I love experiencing new cultures and trying new foods
I have backpacked through Europe and Asia
I have volunteered in orphanages in Cambodia and Nepal
Mobile advertising platform
Adtech
Mobile marketing
App monetization
Probability of a horse going out of a chessboard in 'n' steps.
The total number of possible moves for a horse is 8.
The probability of going out of the board depends on the position of the horse.
For example, if the horse is at a corner, the probability of going out of the board is higher.
The probability can be calculated using combinatorics and geometry.
Maximum sub sequence sum in an array
Use Kadane's algorithm
Initialize max_so_far and max_ending_here to 0
Iterate through the array and update max_ending_here and max_so_far
Return max_so_far
Endianness refers to the byte order of a system. It determines how multi-byte data types are stored in memory.
Little-endian systems store the least significant byte first, while big-endian systems store the most significant byte first.
Endianness can affect the way data is transmitted between systems.
To determine the endianness of a system, you can use the byte order mark (BOM) or write a test program that checks the by...
Sort an array of 0's and 1's only.
Use two pointers, one at the beginning and one at the end of the array.
Swap 0's from the beginning with 1's from the end until the pointers meet.
Alternatively, use a counting sort algorithm to count the number of 0's and 1's and then reconstruct the array.
Heaps are data structures used to efficiently find the maximum or minimum element in a collection.
Max heap: parent nodes are always greater than or equal to child nodes
Min heap: parent nodes are always smaller than or equal to child nodes
Heaps are commonly used in priority queues and sorting algorithms
Heap operations include insert, delete, and extract max/min
Example: An array [3, 8, 2, 5, 1, 4, 6] can be represented a
Find 3 numbers in an array where a+b=c.
Loop through the array and check for all possible combinations of a and b.
Use a hash table to store the values of a and b, and check if c is present in the hash table.
Sort the array and use two pointers to find a and b, and then check if their sum equals c.
The program capitalizes the first letter of each reversed word in a sentence.
Split the sentence into an array of words using space as a delimiter.
Reverse each word in the array and capitalize the first letter.
Join the modified words back into a sentence.
I applied via Approached by Company and was interviewed in Jun 2024. There were 2 interview rounds.
Built an app using dot net and angular
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
I appeared for an interview in Jul 2024.
Case study was given
Company XYZ is a leading technology firm specializing in data analytics and consulting services.
Founded in 2005 by John Smith
Headquartered in San Francisco, CA
Provides services to Fortune 500 companies such as Google and Amazon
Known for innovative solutions in predictive analytics and machine learning
SEM stands for Search Engine Marketing, which is a form of online marketing that involves promoting websites by increasing their visibility in search engine results pages.
SEM involves using paid advertising to increase a website's visibility in search engine results pages
Common SEM tactics include pay-per-click (PPC) advertising and search engine optimization (SEO)
Examples of SEM platforms include Google Ads, Bing Ads,
ROI stands for Return on Investment, a financial metric used to evaluate the profitability of an investment.
ROI is calculated by dividing the net profit of an investment by the initial cost of the investment and expressing it as a percentage.
It helps in determining the efficiency and profitability of an investment.
For example, if you invest $100 in a project and earn $120 in return, the ROI would be 20% ($20 profit div
Paid ads are online advertisements that businesses pay for to promote their products or services.
Paid ads appear on search engines, social media platforms, websites, and apps.
Businesses bid on keywords or target specific demographics to reach their desired audience.
Examples include Google Ads, Facebook Ads, and sponsored content on Instagram.
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