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Two coding question and rest javascript questions
Aptitude questions of good level and a dsa problem realted to stack
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posted on 5 Oct 2021
I applied via Campus Placement and was interviewed before Oct 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.
Technical sql questions
Oops concept and sql db questions
Maths and communication based questions
Estimate and SQL and coding was there
I appeared for an interview in Apr 2021.
Round duration - 90 minutes
Round difficulty - Medium
Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
The first line contains a single integer 'T' representing the numb...
Find the third largest element in an array of distinct integers.
Sort the array in descending order and return the element at index 2.
Handle cases where the array has less than 3 elements separately.
Use a set to store distinct elements for efficient processing.
You are provided with a string STR
of length N. The task is to find the longest palindromic substring within STR
. If there are several palindromic substring...
Find the longest palindromic substring in a given string.
Iterate through the string and expand around each character to find palindromes
Keep track of the longest palindrome found so far
Return the longest palindromic substring
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
Implement a function to calculate the intersection point of two lines on a 2D plane
Handle precision up to six decimal places in the output
Return -1.000000 -1.000000 if the lines do not intersect
Ensure the lines 'AB' and 'PQ' are distinct
Tip 1 : Have some projects.
Tip 2 : Do a course from Coding Ninjas.
Tip 1 : Keep it short
Tip 2 : Add skills iff you are sure
I appeared for an interview in Apr 2021.
Round duration - 90 minutes
Round difficulty - Medium
Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
The first line contains a single integer 'T' representing the numb...
Find the third largest element in an array of distinct integers.
Sort the array in descending order and return the element at index 2.
Handle cases where there are less than 3 elements in the array.
Consider edge cases like negative integers and duplicates.
You are provided with a string STR
of length N
. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...
Identify the longest palindromic substring in a given string.
Iterate through each character in the string and expand around it to find palindromes
Keep track of the longest palindrome found so far
Return the longest palindromic substring with the smallest start index
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
Implement a function to calculate the intersection point of two lines on a 2D plane
Handle precision up to six decimal places in the output
Return -1.000000 -1.000000 if the lines do not intersect
Ensure the lines 'AB' and 'PQ' are distinct
Tip 1 : Have some projects.
Tip 2 : Do a course from Coding Ninjas.
Tip 1 : Keep it short.
Tip 2 : Do not put false things.
I appeared for an interview in Apr 2021.
Round duration - 90 minutes
Round difficulty - Hard
Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
The first line contains a single integer 'T' representing the numb...
Find the third largest element in an array of distinct integers.
Sort the array in descending order and return the element at index 2.
Handle cases where the array has less than 3 elements separately.
Consider using a set to ensure distinct elements in the array.
You are provided with a string STR
of length N
. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...
Identify the longest palindromic substring in a given string.
Iterate through the string and expand around each character to find palindromes
Keep track of the longest palindrome found
Return the longest palindromic substring with the smallest start index
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
Use the formula for finding the intersection point of two lines in 2D space.
Handle precision issues that may arise due to floating-point arithmetic.
Return -1.000000 -1.000000 if the lines do not intersect.
Ensure the lines 'AB' and 'PQ' are distinct.
Tip 1 : Have some projects.
Tip 2 : Do a course from Coding Ninjas.
Tip 1 : Keep it short.
Tip 2 : Do not put false things.
I applied via Company Website and was interviewed in Aug 2023. There were 4 interview rounds.
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
I applied via Campus Placement and was interviewed in Jun 2024. There were 3 interview rounds.
A topic was assigned, and we need to present our perspectives.
A case study was provided about a company's sales and growth.
based on 1 interview
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