Tower Research Capital interview experience Real time questions & tips from candidates to crack your interview

SDE - 1

Tower Research Capital
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3 rounds | 4 Coding problems

Interview preparation journey

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Journey
I joined my college after giving the JEE exam. At first, I was unaware of coding then after two years, my seniors told me this was the only way to crack big companies. Then I started practicing coding from different platforms like Code Studio. I was prepared for interviews by the end of three years in my college.
Application story
This company visited our campus for the placement. We just had to apply through our resumes. First, resume shortlisting was done and later, they took the online assessment. Finally, the shortlisted candidates were called for the interview rounds.
Why selected/rejected for the role?
I was selected because I was able to solve problems quickly and efficiently. I was able to communicate well which helped me crack the interview as well.
Preparation
Duration: 3 months
Topics: Data Structure-> Stack & Linked list is most important for interviews. Java -> Interface , Inheritance ,Exceptional handling , java Collections(Arraylist, vector, LinkedList, Queue..) C++/C -> Difference between both of them , Pointers OOPs -> Why we use interface in Java , class & objects Python -> Lambda function,List,Dictionary,string. Computer Networking -> OSI model , Switch & Router , Topology
Tip
Tip

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Practice puzzles question daily.

Application process
Where: Campus
Eligibility: 6
Resume Tip
Resume tip

Tip 1 : Mention about your Project.
Tip 2 : Mention about training.

Interview rounds

01
Round
Medium
Online Coding Interview
Duration120 mins
Interview date4 Jan 2022
Coding problem1

1. There was a aptitude, technical and coding test which consist of 20 questions of aptitude , 15 questions of reasoning , 20 question of Java/SQL/Unix and 1 of coding question which are quite easy.
2. Timing for online first round exam is sufficient.

1. First Unique Character in a String

Easy
15m average time
85% success
0/40
Asked in companies
MicrosoftIBMLivekeeping (An IndiaMART Company)

Given a string ‘STR’ consisting of lower case English letters, the task is to find the first non-repeating character in the string and return it. If it doesn’t exist, return ‘#’.

For example:

For the input string 'abcab', the first non-repeating character is ‘c’. As depicted the character ‘a’ repeats at index 3 and character ‘b’ repeats at index 4. Hence we return the character ‘c’ present at index 2.
Problem approach

1. Make hash_map which will map the character to there frequencies.
2. Traverse the string.
3. Increase the count of current character.
4. Traverse the string again and check whether the current character frequency=1.
5. Print that first character which have frequency 1.

Try solving now
02
Round
Medium
Face to Face
Duration60 mins
Interview date4 Jan 2022
Coding problem2

1. Technical Questions

1. Tell me about yourself (Mention your project or training )
2. What is primary key?
3. Difference between delete and truncate.
4. What is normalization?
5. What is Abstract class (Java)?
6. Explain collection in Java.
7. Differentiate between overloading and overriding
8. Explain about your project
9. Puzzle question
10. Real life example of Linked list.(Train)

2. Puzzle

If I give you 4 tablets which contain 2 for fever and 2 for cold given all 4 have same size shape and color and
you have to take 1 cold and 1 fever tablet how will you choose correctly?

Problem approach

Tip 1 : Arrange Four identical tablets in a row.
Tip 2 : Break each tablet into two halves and now take each broken half from each tablet.
Tip 3 : You will get 2 half cold and 2 half for fever tablets together making 1 cold and 1 fever.

03
Round
Easy
HR Round
Duration30 mins
Interview date4 Jan 2022
Coding problem1

1. Basic HR Questions

1. Tell me something not there in your resume.
2. Why do you want tp work at amdocs?
3. Do you work well under pressure?
4. Will you relocate in the future?
5. Do you have any question for us?

Problem approach

Tip 1 : Be confident.
Tip 2 : Develop good Communication skills

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Skill covered: Programming

What is recursion?

Choose another skill to practice
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