1st interviewer
1. given an array of integers how would you search an element?...I
said binary search. He asked what is it and time complexity.
2. He extended the above ques to n x n matrix where rows are sorted
and columns are not. How will you search an element. He dint ask me to
code.Just tell the algo and complexity
3. Built further on the abv ques. Now both rows and columns are sorted.
4. Abt my web apps project...abt HTTP request, servlets etc
5. Model a deck of cards(this is v common ques...u will find in glass door)
6. one thing you want to change abt amazon
7. abt dns server
2nd interviewer
1. tell about a project you are working on this sem. What technologies?
2. wht data stuc u knw?
3.write a function isSubtree(tree t1, tree t2) to check if one tree is
sub tree of other.
4. write a func that takes in array and an int k and find all pairs
that sum up to k
Interview questions [1]
Question 1
There were a lot of situational interview questions”
I applied through a recruiter. I interviewed at Oracle
Interview
In person interview, easy questions asked on ML, puzzles and 2 dsa questions. Mostly from gfg and ml101 basics. asked about regularisation, cancer detection, scenario based questions etc . puzzle were sheep man and grass, lantern bridge
I applied through an employee referral. I interviewed at Oracle (Hyderābād)
Interview
First round dsa
Second round dsa
Third round hm
Find firts k element.
Height of treee
Level order traveraal
Third highest ekemenbt
Dp digit
Knapsack
Height of tress
Queueu
Disjoint set
PriorityQueue
it was fine lenghty AND EASY a bit difficult 3 rounds 1st round oa then 2 interview round the dsa questions were of medium level dbms hard sql queries oops basic questions some os questions some puzzles and all
Interview questions [1]
Question 1
Dsa and core subjects more on dbms as it is itself a database company