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Find the sum of kth to bth largest numbers in a huge array efficiently.
Sort the array in descending order to easily find the kth and bth largest numbers.
Use a priority queue or min heap to efficiently find the kth and bth largest numbers without sorting the entire array.
Once you have the kth and bth largest numbers, iterate through the array and sum the numbers between them.
I applied via campus placement at Indian Institute of Technology (IIT), Ropar and was interviewed in Oct 2024. There was 1 interview round.
1.5 hours Coding Round conducted on HackerRank.
I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
Genric aptitude questions also computer fundamentals like dbms
DP questions, tree questions r there
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I applied via Referral and was interviewed before Nov 2021. There were 3 interview rounds.
Coding test was of 1:30 hour. Topic : Data structure and Algorithms, Platform : intervue.io
Two software development questions: bitwise OR of array subsequences and course schedule II.
Question 1 requires finding the bitwise OR of the sum of all subsequences of an array.
Question 2 is a LeetCode question about scheduling courses with prerequisites.
For question 1, we can use dynamic programming to find all subsequences and then calculate the bitwise OR.
For question 2, we can use a topological sort to determine t
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I was interviewed before Sep 2020.
Round duration - 60 minutes
Round difficulty - Medium
Medium level competitive programming question. Interviewer looked for the approach and working code.
You are given a binary tree consisting of 'N' unique nodes and a start node where the burning will commence. The task is to calculate the time in minutes required to completely b...
Round duration - 40 minutes
Round difficulty - Medium
Timing : Evening
Interviewer was frank. He checked for indepth knowledge of the subject.
Tip 1 : Leave a subject to prepare, but never leave a topic.
Tip 2 : Must go through previous years questions / interview experiences.
Tip 3 : Atleast 4 projects in CV
Tip 1 : At least 4 projects (working)
Tip 2 : Never put false things on resume.
Get interview-ready with Top Zomato Interview Questions
I applied via campus placement at National Institute of Technology (NIT), Srinagar
Regex for email validation
Start with a string of characters followed by @ symbol
Followed by a string of characters and a period
End with a string of characters with a length of 2-6 characters
Allow for optional subdomains separated by periods
Disallow special characters except for . and _ in username
Print prime numbers in a given range and optimize the solution.
Use Sieve of Eratosthenes algorithm to generate prime numbers efficiently
Start with a boolean array of size n+1, mark all as true
Loop through the array and mark all multiples of each prime as false
Print all the indexes that are still marked as true
Find angle between hour and minute hand in a clock given the time.
Calculate the angle made by the hour hand with respect to 12 o'clock position
Calculate the angle made by the minute hand with respect to 12 o'clock position
Find the difference between the two angles and take the absolute value
If the angle is greater than 180 degrees, subtract it from 360 degrees to get the smaller angle
To un-hash a string, use a reverse algorithm to convert the hash back to the original string.
Create a reverse algorithm that takes the hash as input and outputs the original string
Use the same logic as the hash function but in reverse order
If the hash function used a specific algorithm, use the inverse of that algorithm to un-hash the string
I applied via Referral and was interviewed in Apr 2024. There was 1 interview round.
Codesignal Round : Implementation based 4 questions. Solved 2.5
I applied via Recruitment Consulltant and was interviewed before Jan 2023. There were 2 interview rounds.
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