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I was interviewed in Aug 2021.
Round duration - 60 minutes
Round difficulty - Medium
Timing was fine - It was in the afternoon
Interviewer was friendly and helpful
Given an array ARR
of size 'N', where each integer is in the range from 0 to N - 1, identify all elements that appear more than once.
Return the duplicate elements in any orde...
Find duplicates in an array of integers within a specified range.
Iterate through the array and keep track of the count of each element using a hashmap.
Return elements with count greater than 1 as duplicates.
Handle edge cases like empty array or no duplicates found.
Example: For input [0, 3, 1, 2, 3], output should be [3].
Round duration - 60 minutes
Round difficulty - Medium
- Timing was fine - Afternoon
- Interviewer was friendly
Designing a caching library involves considering data storage, retrieval, expiration policies, and cache invalidation strategies.
Define the caching requirements such as data size, access patterns, and expiration policies.
Choose a suitable data structure for caching like LRU, LFU, or a simple key-value store.
Implement cache eviction policies to handle memory constraints and optimize performance.
Consider thread safety an...
Round duration - 60 minutes
Round difficulty - Medium
- Timing was fine - Afternoon
- Interviewer was friendly
A 10x10 cube has 600 edges.
A cube has 12 edges, so a 10x10 cube would have 12 edges on each of its 6 faces.
12 edges x 6 faces = 72 edges for the entire cube.
However, each edge is shared by two faces, so we need to divide by 2 to get the total number of unique edges.
72 edges / 2 = 36 unique edges on the outer surface of the cube.
Since the cube has 10x10x10 = 1000 unit cubes, each with 12 edges, we need to subtract the e...
Tip 1 : Be confident
Tip 2 : Be always ready for white board coding
Tip 3 : Brush up your basics
Tip 1 : Resume should not be more than 1 page long
Tip 2 : Write down your technical skills, Frameworks
Guestimates, sql questions
Sql questions geeks for geeks
Ds related questions
posted on 12 Mar 2024
I applied via Company Website and was interviewed before Mar 2023. There were 4 interview rounds.
Solve sudoku, row and columns should have 1-9 numbers and the numbers shouldnt repeat
Design a parking lot system with features like parking, retrieving, and tracking available spots.
Create a ParkingLot class with attributes like total number of spots, available spots, and a list of parked vehicles.
Implement methods for parking a vehicle, retrieving a vehicle, and tracking available spots.
Use data structures like arrays or lists to manage parked vehicles and available spots.
Consider implementing feature...
posted on 19 Dec 2023
I applied via LinkedIn and was interviewed in Nov 2023. There were 2 interview rounds.
Create subarrays with sum = 0 from given array of integers.
Iterate through the array and keep track of the running sum.
Store the running sum in a hashmap and check if the current sum - any previous sum equals 0.
If yes, then the subarray between those two indices has a sum of 0.
The left view of a binary tree is the set of nodes visible when the tree is viewed from the left side.
Traverse the tree in a level order manner and keep track of the first node at each level.
Use a queue to store nodes at each level and update the left view nodes accordingly.
Example: For a binary tree with root node 1, left child 2, and right child 3, the left view would be [1, 2].
I applied via Approached by Company and was interviewed before Nov 2022. There were 3 interview rounds.
Brush up on DS and Algorithms
I applied via Recruitment Consultant and was interviewed before Jun 2020. There were 4 interview rounds.
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