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I applied via Approached by Company and was interviewed in Sep 2022. There were 3 interview rounds.
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
Variable declarations are hoisted but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
Event loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and handling events.
Event loop is commonly used in JavaScript to handle asynchronous operations.
It allows for non-blocking I/O operations by delegating tasks to the operating system.
Event loop continuously checks the event queue for new events and executes them in a sequential manner.
Example: In Node.js,...
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I applied via Campus Placement and was interviewed in Mar 2021. There were 4 interview rounds.
posted on 4 Sep 2022
I applied via Company Website and was interviewed before Sep 2021. There were 2 interview rounds.
DSA Medium Level Questions. Solve within 3 Hours.
posted on 28 Jul 2021
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
Check if binary tree is balanced or not.
A balanced binary tree has the height of left and right subtrees differ by at most 1.
Recursively check the height of left and right subtrees and compare.
Use a helper function to calculate the height of a subtree.
Time complexity: O(nlogn) for a balanced tree, O(n^2) for a skewed tree.
Detect loops in a linked list.
Use two pointers, one moving at a faster pace than the other.
If there is a loop, the faster pointer will eventually catch up to the slower one.
To detect the start of the loop, reset one pointer to the head and move both pointers at the same pace.
I applied via Company Website and was interviewed in Jul 2021. There was 1 interview round.
Complex SQL scenarios and their results
Using subqueries to filter data
Joining multiple tables with complex conditions
Using window functions to calculate running totals
Pivoting data to transform rows into columns
Using recursive queries to traverse hierarchical data
I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.
Aptitude test
Current affairs
posted on 15 Jul 2022
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
If you are a fresher , then this is for you else almost no coding test for experienced candidates.
posted on 10 May 2020
I applied via Recruitment Consultant and was interviewed in Apr 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
based on 2 interviews
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