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I applied via HackerEarth and was interviewed before Feb 2023. There were 3 interview rounds.
HackerRank coding test
Hooks are a feature in React that allow you to use state and other React features in functional components.
Hooks were introduced in React 16.8
They allow you to use state and other React features in functional components
useState is a commonly used hook for managing state
useEffect is another commonly used hook for handling side effects
Custom hooks can be created to reuse logic across components
Objects can be created in multiple ways depending on the programming language and its syntax.
Using the 'new' keyword in Java and C#
Using object literals in JavaScript
Using constructors in C++
Using factory methods in Python
Using reflection in Java and C#
Using deserialization in .NET
Using cloning in Java
Using templates in C++
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
Easy to medium leetcode questions
posted on 17 Oct 2024
I applied via Walk-in
To implement a queue using a stack, use two stacks and simulate the queue operations.
Use two stacks, one for enqueue operation and one for dequeue operation.
For enqueue operation, simply push elements onto the stack used for enqueueing.
For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.
Then pop from the dequeue stack to simulate dequeue operation.
A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
Create a Node class with data and next pointer
Initialize a head pointer to null
Add nodes by updating next pointers
Traverse the list by following next pointers
I applied via Google and was interviewed in Aug 2023. There were 3 interview rounds.
Coding questions about array and string.
Cosing questions about sql and ds.
posted on 22 Jan 2025
posted on 22 Jan 2025
1 hour online test ..
posted on 14 Sep 2021
I appeared for an interview in Jan 2021.
Round duration - 30 minutes
Round difficulty - Medium
It was in the morning around 9:00Am-9:30AM. Platform used for this round was hacerrank. Questions were of moderate to difficult level.
You are given an array of integers ARR
and an integer X
. Your task is to determine the number of subarrays of ARR
whose bitwise XOR is equal to X
.
Count the number of subarrays in an array whose XOR is equal to a given value.
Iterate through the array and keep track of XOR values and their frequencies using a hashmap.
For each element in the array, calculate the XOR value with all previous elements and check if it equals the given XOR value.
Use the concept of XOR to efficiently solve the problem.
Handle edge cases like XOR value being 0 separately.
Time complexity ca...
Given a string STR
, return all possible non-empty subsequences with distinct characters. The order of the strings returned is not important.
STR = ...
Return all possible non-empty subsequences with distinct characters from a given string.
Iterate through all possible subsequences of the input string
Check for distinct characters in each subsequence
Return the distinct character subsequences as an array of strings
Round duration - 15 minutes
Round difficulty - Easy
It was in the night around 8:00PM-8:20PM. Interviewer was very calm in questioning. Platform used for this round was Skype and the questions focused more on personality rather than total.
Tip 1 : Practice aptitude questions a lot.
Tip 2 : Do some projects
Tip 3 : Research about company thoroughly
Tip 1 : It should be in proper format.
Tip 2 : Each skills should be mentioned properly.
based on 3 interviews
Interview experience
based on 9 reviews
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