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I applied via Recruitment Consulltant and was interviewed before Oct 2023. There were 2 interview rounds.
Reverse a string by iterating through the characters and swapping them
Create a function that takes a string as input
Initialize two pointers, one at the beginning and one at the end of the string
Swap the characters at the two pointers and move them towards the center until they meet
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I appeared for an interview before Feb 2024.
I applied via Naukri.com and was interviewed in Aug 2022. There were 2 interview rounds.
Minimum of two platforms are required for a train station.
At least two platforms are needed for trains to arrive and depart simultaneously.
Additional platforms may be required depending on the frequency of trains and passenger traffic.
Platforms should be long enough to accommodate the longest trains that will use the station.
The problem is to find the longest substring that is a palindrome in a given string.
A palindrome is a string that reads the same backward as forward.
We can use dynamic programming to solve this problem.
We can start by considering each character as the center of a palindrome and expand outwards to find the longest palindrome.
We can also optimize the solution by using Manacher's algorithm which reduces the time complexit
Use any sorting algorithm to sort the elements of an unsorted array.
Choose an appropriate sorting algorithm based on the size of the array and the type of elements.
Common sorting algorithms include bubble sort, insertion sort, selection sort, merge sort, quick sort, and heap sort.
Implement the chosen algorithm in the programming language of your choice.
Test the sorting function with various input arrays to ensure corre
Find minimum energy required to cross all hurdles without losing life.
Calculate cumulative sum of energy required to cross each hurdle.
Find the minimum cumulative sum and add 1 to it.
If the minimum cumulative sum is negative, return its absolute value + 1.
This is the minimum energy required to cross all hurdles without losing life.
I applied via Instahyre and was interviewed before Sep 2023. There were 3 interview rounds.
DP questions 1D DP and Array question
Seeking new challenges and opportunities for growth in a different environment.
Looking for new challenges and opportunities to learn and grow
Interested in working with new technologies or industries
Seeking a better work-life balance or company culture
Want to expand my skill set and experience
GCD of 2 strings is not a common concept in software engineering.
GCD of 2 strings is not a standard problem in software engineering.
It is more common to find GCD of integers or numbers.
If the strings represent numbers, you can convert them to integers and find the GCD.
I applied via LinkedIn and was interviewed before Jun 2022. There were 4 interview rounds.
I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
It was about DS Algo and Java garbage collection,multithreading
Rate limiter is a system that controls the rate of traffic sent or received by a network interface.
Implement a token bucket algorithm to track and limit the rate of requests
Use a sliding window algorithm to track the number of requests within a specific time frame
Consider using a distributed rate limiter for scalability and fault tolerance
posted on 29 Sep 2024
I applied via Job Portal and was interviewed before Sep 2023. There were 4 interview rounds.
Medium level leet code questions
Low level system design of Instagram involves designing the core components like database, storage, caching, and networking.
Use sharding to distribute data across multiple database servers for scalability.
Implement a caching layer using Redis or Memcached to improve performance.
Utilize a content delivery network (CDN) for faster content delivery to users.
Design a fault-tolerant storage system to ensure data durability ...
Designing a message queue system for efficient communication between components
Define the requirements and constraints of the system
Choose a suitable messaging protocol (e.g. AMQP, MQTT)
Design the message format and structure
Implement mechanisms for message persistence and delivery guarantees
Consider scalability and fault tolerance
Use appropriate data structures and algorithms for efficient message handling
My goal is to continuously improve my technical skills, contribute to impactful projects, and eventually move into a leadership role.
Continuously improve technical skills through learning new technologies and best practices
Contribute to impactful projects by delivering high-quality code and solutions
Work towards moving into a leadership role by taking on more responsibilities and mentoring junior team members
I chose Jupiter because of its strong gravitational pull and potential for scientific exploration.
Jupiter's large size and mass make it a key player in shaping the solar system
Its strong magnetic field and radiation belts provide valuable insights for space research
Jupiter's moons, like Europa and Io, offer unique environments for potential exploration missions
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