'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Deutsche Bank interview experience Real time questions & tips from candidates to crack your interview
Technical Analyst-Intern
Deutsche Bank
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5 rounds | 15 Coding problems
Interview preparation journey
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Preparation
Duration: 3 Months
Topics: Data structure and Algorithm, DBMS, OS, OOPS, System Design, Competitive Programming, Development(Angular 9), Puzzles.
Tip
Tip

Tip 1 : If you have ample time then start competitive programming it will increase your speed of implementation and accuracy. I recommend codeforces.
Tip 2 : If your interviews are near, start solving standard coding problems from leetcode, Interview bit, and geeks for geeks.
Tip 3 : Try to do working projects, they make a great impact on the interviewer.
Tip 4 : Practice as many questions as you can. That way, you will not make any silly mistakes on the day of the interview.
Tip 5 : Go through the questions asked in the past years and the interview experiences.

Application process
Where: Campus
Eligibility: 7.5 CGPA
Resume Tip
Resume tip

Tip 1 : Try to add working projects in your resume, they attract the attention of interviewers.
Tip 2 : Add only those skills/programming language that you have worked with, not able to answer the questions asked on those skills/languages is the biggest embarrassment that can happen in an interview.
Tip 3 : Do not add unnecessarily styling to your resume, keep it simple and professional.

Interview rounds
01
Round
Easy
Online Coding Interview
Duration90
Interview date4 Sep 2020
Coding problem3

6-7:30 pm
The webcam was on throughout the test.

1. Ninja and Infinite Size Array
Easy
15m average time
85% success
0/40
Asked in companies
Morgan StanleyFlipkartGoogle
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2. Shortest Safe Route In A Field With Landmines
Moderate
20m average time
80% success
0/80
Asked in companies
OlaBarclaysDeutsche Bank
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3. Maximum Subarray Sum
Moderate
0/80
Asked in companies
AmazonOracleOptum

You are given an array/list ARR consisting of N integers. Your task is to find the maximum possible sum of a non-empty subarray(contagious) of this array.

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02
Round
Easy
Video Call
Duration30 Minutes
Interview date8 Sep 2020
Coding problem3

Morning(10 am)
The interviewer was friendly.

1. Add Two Numbers As Linked Lists
Moderate
20m average time
80% success
0/80
Asked in companies
MicrosoftOracleSAP Labs

You are given two non-negative numbers 'num1' and 'num2' represented in the form of linked lists.


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2. SQL Questions

Difference between Union and Union all

Two tables were present having similar schema containing some common and distinct data I had to write a query to return a table containing all the entries all both tables but there should be distinct entries in the resulting table.

Given an employee table get all the names starting with the letter a.

3. Find prime numbers
Easy
15m average time
80% success
0/40
Asked in companies
OracleMcAfeeGoldman Sachs

You are given a positive integer ‘N’. Your task is to print all prime numbers less than or equal to N.

Note: A prime number is a natural number that is divisible only by 1 and its...

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03
Round
Medium
Video Call
Duration60 Minutes
Interview date8 Sep 2020
Coding problem7

Afternoon around 12 PM
If was from home
The interviewer was professional and did not waste any time.

1. Technical Questions

He asked me the main features of Angular because I have written angular in the skills section of my resume.

2. SQL Question

I don't remember this question precisely but it was somewhat like this:
Two tables were given and he asked me the employee names which were most common in each city.
The tables were like this:
Table 1:employee_id name office_id 
Table 2:Office_id city
This is just an idea of how the question was. The original question was a bit tougher than this because I remember that I had...

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3. Cycle Detection in a Singly Linked List
Moderate
15m average time
80% success
0/80
Asked in companies
Wells FargoGoldman SachsInformatica

You are given a Singly Linked List of integers. Return true if it has a cycle, else return false.


A cycle occurs when a node's next points back to a previous node in the list.

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4. Implement Stack With Linked List
Moderate
30m average time
73% success
0/80
Asked in companies
AmazonMathworksCisco

You must implement the Stack data structure using a Singly Linked List.


Create a class named 'Stack' which supports the following operations(all in O(1) time):


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5. System Design Question

The interviewer asked me to design a banking system in which the user can use either the current account(rate of interest 10%) or savings account(rate of interest 7%) and the functions that I had to implement were:
1 Withdraw
2 deposit
He asked me to implement this using Object Oriented Concepts.

6. Find Unique
Easy
0/40
Asked in companies
Deutsche BankHSBCLTI - Larsen & Toubro Infotech

You have been given an integer array/list(ARR) of size N. Where N is equal to [2M + 1].

Now, in the given array/list, 'M' numbers are present twice and one number is present only once.

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7. Puzzle

Suppose you have a 3 liter jug and a 5 liter jug (this could also be in gallons). The jugs have no measurement lines on them either. How could you measure exactly 4 liter using only those jugs and as much extra water as you need?

04
Round
Easy
HR Round
Duration45 minutes
Interview date8 Sep 2020
Coding problem1

They were calling it a pro-fitness round, it was to check if you are professionally fit to work in the company.
It was in the late afternoon around 3 PM
The interviewer was very friendly and engaging.

1. Basic HR Questions

Are you a team player?

What happens if your team is not working as expected?

Problem approach

Tip 1 : In this type of question try to show that you are a team player, even if one of your team members is not working properly, you can cover for his/her mistakes and talk them out of their problems.

05
Round
Easy
HR Round
Duration20 Minutes
Interview date8 Sep 2020
Coding problem1

It was in the evening around 5 PM
The locations and work culture was discussed in that round 
The interviewer was exhausted.

1. Basic HR Questions

Who is your role model?

What keeps you motivated?

Problem approach

Tip 1 : I had done many projects so I had a lot of answers to this question. Having projects helped me in both of my HR and Pro-fit rounds.

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