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      Software Development Engineer Interview

      10 Aug 2019
      Anonymous employee
      Jamshedpur
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through university. The process took 1 day. I interviewed at BuyHatke (Jamshedpur) in Jul 2019

      Interview

      BuyHatke conducted campus recuirtment for SDE role in our campus,NIT Jamshedpur. The interview process consisted of four phase.First round was the CV shortlisting. 71 students are selected for online round.The Second round was a online contest on InterviewBit on Data Structure and Algorithm.Test duration is one and half hour and consisted four questions.Students who solved atleast two questions are shortlisted for the next round. Rest Rounds are taken on Skype.Third round was taken by one of the employee of BuyHatke. He asked three questions based on DS and Algo, some questions on project and some basic questions on OS. Fourth round was taken by the CEO of Buyhatke. He asked one algorithms questions,one System design question,Some details about project. They give enough time to think of the approach.Overall it was a very good experience.

      Interview questions [13]

      Question 1

      Input is a sorted list of disjoint intervals sorted according to first element, and your goal is to insert a new interval and merge all necessary intervals returning a final new list. For example, if the interval list is [[1,5], [10,15], [20,25]] and you need to insert the interval [12,27], then your program should return the new list: [[1,5], [10,27]].(Online Round)
      Answer question

      Question 2

      Given a binary tree, a target node in the binary tree, and an integer value k, print all the nodes that are at distance k from the given target node.(Online Round)
      Answer question

      Question 3

      Given An unsorted array of integers print all distinct four element tuple(Quadruplets) in it having given sum in sorted order.(Online Round) E.g. A[]=[2,7,4,0,9,5,1,3] sum=20 Output : 0,4,7,9 1,3,7,9 2,4,5,9
      Answer question

      Question 4

      Box Stacking Problem You are given a set of n types of rectangular 3-D boxes, where the i^th box has height h(i), width w(i) and depth d(i) (all real numbers). You want to create a stack of boxes which is as tall as possible, but you can only stack a box on top of another box if the dimensions of the 2-D base of the lower box are each strictly larger than those of the 2-D base of the higher box. Of course, you can rotate a box so that any side functions as its base. It is also allowable to use multiple instances of the same type of box.(Online Round)
      Answer question

      Question 5

      How Google Instant's Autocomplete Suggestions Work.
      Answer question

      Question 6

      Median in a stream of integers (running integers) Given that integers are read from a data stream. Find median of elements read so for in efficient way. For example, let us consider the stream 5, 15, 1, 3 … After reading 1st element of stream - 5 -> median - 5 After reading 2nd element of stream - 5, 15 -> median - 10 After reading 3rd element of stream - 5, 15, 1 -> median - 5 After reading 4th element of stream - 5, 15, 1, 3 -> median - 4, so on.
      Answer question

      Question 7

      Find maximum possible stolen value from houses. There are n houses build in a line, each of which contains some value in it. A thief is going to steal the maximal value of these houses, but he can’t steal in two adjacent houses because owner of the stolen houses will tell his two neighbour left and right side. What is the maximum stolen value. Examples: Input : hval[] = {6, 7, 1, 3, 8, 2, 4} Output : 19 Thief will steal 6, 1, 8 and 4 from house.
      Answer question

      Question 8

      What is Swap in and Swap Out.
      Answer question

      Question 9

      What is Paging.
      Answer question

      Question 10

      Difference between Multiprogramming and Multiprocessing.
      Answer question

      Question 11

      Difference between Restfull Api and Api.
      Answer question

      Question 12

      Imagine you have a dictionary You need to find the list of all words which are compounds words moonlight = moon + light newspaper = news + paper AFT = a + f + t the dictionary needs to be traversed and you need to figure out all such words Here’s your dictionary a aft afte after aftereffect afternoon afterthought air airbag aircraft airline bag c e effect f plane r thought t You can share the link of ideone of running code.
      Answer question

      Question 13

      You need to design an efficient elevator system. Think over it. And take test cases. 100 floor building You are on the 27th floor going to the 100th floor And person from 60th floor who wants to go downwards Person on ground floor is pressing to go upwards. Ground floor person has requested first. Whose request would you honour first. According to your algorithm How would you code this ? What all variables would you take and what would be the complexity of the code Write the code for it and send the IDE link.
      Answer question
      3

      Other Software Development Engineer interview reviews for BuyHatke

      Software Development Engineer Interview

      31 Mar 2021
      Anonymous interview candidate
      No offer
      Neutral experience
      Average interview

      Application

      I applied through university. I interviewed at BuyHatke

      Interview

      The first round was a coding round on interviewbit platform. Shortlisted candidates had 3 rounds of interviews. In the first round, basic DSA questions were asked. The second round was also based on DSA and included cs subjects like DBMS and OS questions as well. The final round was with the CEO of the company itself.

      Interview questions [1]

      Question 1

      Round 1: delete a node in a linked list, number of islands problem, level order traversal of a tree. Round 2: DIfference between threads and processes, normalization and coin change DP problem. Round 3: Elevator problem and situational questions and some questions based on graphs.
      Answer question

      Software Development Engineer Interview

      28 Jul 2019
      Anonymous interview candidate
      No offer
      Neutral experience
      Difficult interview

      Application

      I applied through university. I interviewed at BuyHatke

      Interview

      The first round is coding. They conducted it on Interviewbit. Make sure your concepts are very clear and you practice data structures and dynamic programming problems thoroughly. Also you need to be thorough with everything mentioned in your resume since they ask every topic in depth

      Interview questions [2]

      Question 1

      Matrix chain multiplication implementation
      Answer question

      Question 2

      Convert one word to another using words in a dictionary
      1 Answer

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