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I applied via Job Portal and was interviewed in Apr 2024. There were 3 interview rounds.
Types of indexes in MySQL, storage engines, query optimization techniques, and EXPLAIN keyword
Types of indexes in MySQL include primary, unique, and full-text indexes
Storage engines in MySQL include InnoDB, MyISAM, and MEMORY
Query optimization techniques include using indexes, optimizing joins, and avoiding unnecessary columns in SELECT queries
The 'EXPLAIN' keyword in MySQL is used to analyze and optimize queries by sh
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I applied via Walk-in and was interviewed before Mar 2022. There were 3 interview rounds.
Mid level programming and mcq questions
Qunatative, Reasoning, Blood Relation
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
Aptitude Test + Technical Questions + One Coding Question
Detect loop in a singly linked list
Use two pointers, one moving one step at a time and the other moving two steps at a time
If there is a loop, the two pointers will eventually meet
If any of the pointers reach the end of the list, there is no loop
The 2 Sum problem involves finding a pair of numbers in an array that adds up to a given target.
Use a hash table to store the complement of each number as you iterate through the array.
Check if the current number's complement exists in the hash table.
If found, return the indices of the two numbers.
If no pair is found, return an empty array.
I was interviewed in Oct 2020.
Round duration - 70 minutes
Round difficulty - Medium
Timing: Window for 2 days
Environment: Online
Time: 50 Min. for 50 MCQ and 20 min for 2 Coding Questions
Design a seating arrangement for a high-security meeting. There are 'N' rows of tables set up where the first row contains one table, the second row contains two tables, a...
Design a seating arrangement for a high-security meeting with specific table assignments for security personnel and guests.
Create a loop to iterate through each row from 1 to N.
Assign tables on either end of each row to security personnel.
For rows with only one table, assign it to security personnel.
Display the seating arrangement with the number of people at each table.
Example: For 4 rows, the output pattern is 1, 11,
You are provided with a list of 'N' non-overlapping intervals, each defined by two integers, 'start' and 'end', sorted in ascending order by 'start' values. Your task is ...
The task is to insert a given interval into a list of non-overlapping intervals while maintaining sorted order.
Iterate through the list of intervals to find the correct position to insert the given interval.
Merge any overlapping intervals with the given interval.
Update the list of intervals accordingly.
Handle edge cases such as when the given interval completely overlaps with existing intervals.
Round duration - 45 minutes
Round difficulty - Medium
Timing: Morning
Environment: On MS-Teams
Sort the given array of integers in ascending order using the quick sort algorithm. Quick sort is a divide-and-conquer algorithm where a pivot point is chosen to partition the...
Quick sort is a divide-and-conquer algorithm that sorts an array by choosing a pivot point and partitioning the array into two parts recursively.
Choose a pivot element (e.g., rightmost element) to partition the array into two subarrays.
Recursively apply quick sort to the subarrays until the entire array is sorted.
Time complexity can be optimized to NlogN in the worst case by selecting the pivot strategically.
Ensure the...
Tip 1 : For DS and Algo, keep practicing every day on Leetcode, HackerEarth, and make a habit of participating in contests.
Tip 2 : Projects are vital in interviews, have at least 3 projects on Resume, in the field/profile which you're applying for.
Tip 3 : Give Mock Interviews.
Tip 1 : Resume should be short and keep it under 1 page.
Tip 2 : Include skills that you're 100% confident in.
Tip 3 : Highlight your internships and projects section appropriately
I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.
GIL stands for Global Interpreter Lock in Python, which limits execution of multiple threads at once.
GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes at once.
Due to GIL, Python threads are not suitable for CPU-bound tasks but are still useful for I/O-bound tasks.
To handle multi-threading in Python, one can use multiprocessing module or asynchronous progr...
React uses a virtual DOM to efficiently update the actual DOM based on changes in state or props.
React creates a virtual DOM representation of the actual DOM.
When state or props change, React compares the virtual DOM with the actual DOM to determine the minimal set of changes needed.
React then updates the actual DOM efficiently to reflect the changes.
I applied via Campus Placement and was interviewed before Oct 2022. There were 4 interview rounds.
60 min normal apptitude question
I applied via Naukri.com and was interviewed in Aug 2022. There were 2 interview rounds.
Aptitude question. Included basic english nd coding and topic of group discussion .
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