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Titan (Directi) Interview Expertise (On-Campus) 2022


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Titan visited our campus on 27 August 2022 and I’m going to share my interview expertise.

Spherical 1: On-line Check: 75 min: The check consists of three questions: (1 Medium and a pair of Onerous):

  • Query much like Allocate the minimal variety of pages: https://follow.geeksforgeeks.org/issues/allocate-minimum-number-of-pages0937/1 
  • A query is much like Leet Code downside 2203. Minimal Weighted Subgraph With the Required Paths: https://leetcode.com/issues/minimum-weighted-subgraph-with-the-required-paths/ 
  • Given a supply and vacation spot, discover the trail with minimal stress degree in a Graph. The stress degree of the trail is outlined as the utmost weight of an edge current on this path. Hyperlink:  https://cs.stackexchange.com/questions/144639/given-a-source-and-destination-find-the-path-with-minimum-stress-level-in-a-gra 
  • Giving Codechef and Codeforces dwell contests will assist to resolve the issues quicker beneath time stress.

Interview Rounds:

Algo Spherical I: 70-80 min: The spherical began with my introduction. He requested me about my internship expertise and fields of curiosity.
Then he shared a doc, during which he pasted the query. I needed to clarify the method and write the code as properly in 60 min.

  • Query: Most Distance- https://codeforces.com/problemset/downside/1081/D 
    The query was exhausting to know however after discussing and asking doubts, it was clear.
    After round 50 minutes I obtained to the method with which each of us had been glad. The interviewer gave further 10 minutes to finish the code as properly. He allowed me to write down the code in any editor after which requested me to stick the code into the doc.

Algo Spherical II: 60 min: Beginning with my introduction, the interviewer shared a doc with me and pasted the query.

  • Query: Contest Balloons- https://codeforces.com/problemset/downside/725/D 
    After round 30 minutes I obtained to the method which was not precisely proper in the mean time, however the interviewer prompt I to begin writing the code, and whereas writing we mentioned some check circumstances, the place the code may fail, then I corrected the code contemplating these check circumstances. Interviewers had been very supportive and should you clarify your thought course of clearly then they will provide you with hints that will help you get to the answer, however you need to be very attentive to catch and make use of these hints.

Ultimate Spherical: 70 min: My interviewer was Sr. Supervisor at Titan having 10 years of backend expertise.

  • First, he mentioned my internship expertise with me.
  • Requested me to provide a short of all of the tasks talked about in my resume.
  • Some questions on MySQL vs MongoDB, which might I want, and what I preferred to work with each of them.
  • Then he began discussing intimately certainly one of my mission on MySQL.
  • Clarify all of the tables together with the attributes and the relationships amongst them.
  • Write some queries, that are used to implement explicit performance.
  • Clarify indexing, and clarify the kind of indexes which were used within the mission.
  • Given some real-life situations and requested how will I deal with these. Eg. If the “Remark” desk has 1 million rows, then how a lot will I present on the entrance finish, and primarily based on what standards I would choose a few of them?
  • Which kind of indexing will assist me right here, additionally write the question.

Questions associated to MySQL: 

  • How indexing works internally?
  • What are ACID properties? How they’re applied internally?
  • Why MySQL emphasizes ACID properties?
  • Questions associated to Networking:
  • What’s TCP, or UDP? Examples the place they can be utilized.
  • Engaged on TCP, and UDP.
  • OSI mannequin and totally different features of all of the layers.
  • Questions associated to OS:
  • Clarify course of and threads.
  • What’s the distinction between utilizing a number of threads and utilizing a number of processes? Clarify why multithreading is most popular once we can get our job performed by permitting our work to a number of processes.
  • Design downside: Aarogya Setu
  • Requested me to elucidate the thought course of for implementing the aarogya setu software.
  • What may very well be the tables, attributes, and their relations?
  • Mentioned how the performance of notifying the variety of covid constructive sufferers within the radius of ‘x’ km radius will probably be taken care of.
  • Which type of indexing and on which attribute will assist us to implement that performance?
  • Write a question to search out out the variety of covid sufferers in an x km radius.

General expertise was good. Was capable of reply many of the questions satisfactorily.

Verdict: Not Chosen

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