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T7e Aftermarket Connect
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I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
Design a database schema for a payment gateway interface, cart functionality, and Amazon delivery service.
Create tables for users, products, orders, payments, and deliveries
Establish relationships between tables using foreign keys
Include fields for tracking order status, payment details, and delivery information
Implement security measures to protect sensitive payment data
Consider scalability and performance optimizatio
I applied via Referral and was interviewed in Feb 2022. There were 2 interview rounds.
I applied via Approached by Company and was interviewed before Jan 2022. There were 2 interview rounds.
I was interviewed in Oct 2016.
I'm sorry, I don't have access to the internet to research the company and product.
Droom is an online marketplace for buying and selling new and used vehicles.
Founded in 2014 by Sandeep Aggarwal
Offers a wide range of vehicles including cars, bikes, and scooters
Provides services such as vehicle history reports and inspections
Has over 6,500 certified dealers and over 50,000 listings
Operates in India and Singapore
I was interviewed in Jan 2016.
To find the right view of a binary tree, we need to traverse the tree and keep track of the rightmost node at each level.
Traverse the tree using level order traversal
At each level, keep track of the rightmost node
Add the rightmost node to the result array
Return the result array
Find two missing numbers from an unsorted array in O(n) time complexity.
Calculate the sum of all numbers from 1 to n using the formula n*(n+1)/2
Calculate the sum of all numbers in the given array
Subtract the sum of array from the sum of all numbers to get the sum of missing numbers
Use the sum of missing numbers and the sum of squares of all numbers from 1 to n to calculate the missing numbers using simultaneous equatio
To find average salary without disclosing any one salary
Collect salaries of all employees
Add all salaries and divide by total number of employees
Do not disclose any individual salary
Divide a golden brick into minimum parts to pay daily salary to a worker.
The number of parts needed will depend on the daily salary of the worker.
The size of the parts should be equal.
The parts should be small enough to cover the daily salary but large enough to minimize the number of parts.
The formula to calculate the number of parts is: number of parts = total value of the golden brick / daily salary
posted on 11 May 2021
I applied via Walk-in and was interviewed before Dec 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Oct 2019. There were 4 interview rounds.
Twitter system design involves multiple components such as servers, databases, caching, and APIs.
Use sharding to distribute data across multiple servers
Implement caching to reduce database load
Use message queues for handling high traffic
Implement APIs for user authentication and data retrieval
Use load balancers to distribute traffic evenly
Implement a search engine for efficient search functionality
The minimum number of platforms needed to avoid train crashes based on arrival and departure times.
Sort the arrival and departure arrays in ascending order.
Initialize a variable to keep track of the maximum number of platforms needed.
Iterate through the arrival and departure arrays simultaneously.
If the current arrival time is less than or equal to the current departure time, increment the platform count.
If the current...
posted on 30 Aug 2022
I applied via Recruitment Consulltant and was interviewed before Aug 2021. There was 1 interview round.
I applied via Walk-in and was interviewed in Dec 2020. There was 1 interview round.
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Android Developer
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CarDekho Group
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Droom