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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; otherwi...
Design a Least Recently Used (LRU) cache data structure that supports get and put operations with a given capacity.
Implement a doubly linked list to keep track of the order of keys based on their recent usage.
Use a hashmap to store key-value pairs for quick access and updates.
When capacity is reached, evict the least recently used item before inserting a new item.
Update the position of a key in the linked list whe...
Mutex and Semaphore are synchronization mechanisms used in operating systems to control access to shared resources.
Mutex is used to provide mutual exclusion, allowing only one thread to access a resource at a time.
Semaphore is used to control access to a resource by multiple threads, with a specified number of permits available.
Mutex is binary in nature (locked or unlocked), while Semaphore can have a count greate...
Given a list of integers of size N
, your task is to determine the Next Greater Element (NGE) for every element. The Next Greater Element for an element X
is the first...
The task is to find the Next Greater Element for each element in a list of integers.
Iterate through the list of integers from right to left.
Use a stack to keep track of elements whose NGE is yet to be found.
Pop elements from the stack until a greater element is found or the stack is empty.
Assign the NGE as the top element of the stack or -1 if the stack is empty.
I applied via Approached by Company
Netflix user decline
I appeared for an interview in Apr 2024.
Coding round 1 (SDET 1):Got 2 leetcode medium level question related to java comparator and array rearranging.
Coding round 2 (SDET 2 took it): Medium level leetcode question + walk around the current experience.
I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.
To keep it simple. the question was to arrange in ascending order but asked in a different way
It was 1.5 hrs coding round along with self intro
I have over 5 years of experience in software development, specializing in full-stack web applications and agile methodologies.
Worked on multiple projects using JavaScript frameworks like React and Node.js.
Led a team of developers in creating a customer relationship management system.
Implemented agile practices that improved project delivery time by 30%.
Contributed to open-source projects, enhancing my skills and commu...
I am comfortable speaking English and Spanish.
English is my first language and I am fluent in it
I also speak Spanish fluently
I am comfortable communicating in both languages in various settings
I applied via LinkedIn and was interviewed in Mar 2024. There were 4 interview rounds.
Coding question:
Move all negative elements to the front of the array maintaining the order of element appearance without using the extra data structure like list or map.
Coding question:
find two integer pair sum
Asked about the automation fundamentals status codes, client-side error and server-side error
Implemented a new CRM system to streamline sales processes and improve data accuracy.
Identified the need for a more efficient CRM system
Researched and evaluated different CRM options
Collaborated with IT team to customize and implement the chosen CRM
Provided training to sales team on how to use the new system
Monitored and analyzed data to ensure system was meeting objectives
In 5 years, I aim to have successfully grown the sales team, increased revenue by 50%, and established strong partnerships with key clients.
Lead the sales team to achieve ambitious targets
Implement innovative sales strategies to drive revenue growth
Develop and maintain relationships with key clients to ensure long-term partnerships
I applied via Company Website and was interviewed in Mar 2024. There were 3 interview rounds.
Case studies and Guestimates related to OTT
Hiring manger round was also case study based on OTT business
Sort an array containing 0, 1, and 2.
Use a sorting algorithm like quicksort or mergesort.
Count the occurrences of 0s, 1s, and 2s, then reconstruct the array.
Use three pointers to keep track of the positions of 0s, 1s, and 2s.
One-pass solution: Maintain three indices (low, mid, high) and swap elements accordingly.
Design priority queue
A priority queue is a data structure that stores elements with associated priorities
Elements with higher priority are dequeued before elements with lower priority
Common implementations include binary heaps and balanced binary search trees
I appeared for an interview in Oct 2024, where I was asked the following questions.
Estimating the number of cars in Delhi involves analyzing population, car ownership rates, and urban density.
Population of Delhi: As of 2023, Delhi has a population of approximately 20 million people, which influences the number of cars.
Car Ownership Rate: In urban areas like Delhi, car ownership can be around 10-15% of the population, leading to an estimate of 2-3 million cars.
Urban Density: High urban density and pub...
Implementing strategies to enhance user experience and streamline operations can significantly reduce cancellations on Swiggy.
Improve order tracking: Real-time updates can keep customers informed and reduce anxiety about their order status.
Enhance customer support: Quick resolution of issues can prevent cancellations. For example, a dedicated helpline for urgent queries.
Optimize delivery times: Ensuring timely deliveri...
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The duration of Disney+ Hotstar interview process can vary, but typically it takes about less than 2 weeks to complete.
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