Deutsche Bank Interview Experience by Akshat Goel | On Campus - Sep 2020

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Deutsche Bank interview experience Real time questions & tips from candidates to crack your interview

Software Developer

Deutsche Bank

3 rounds | 5 Coding problems

Akshat Goel

Fresher | Sep 2020

Selected

Interview preparation journey

Journey

In the beginning, I started learning about basics concept including array, string, stack, queue and solving questions on hackerrank and after becoming confident in these basic topic I move to the next set of topic including link list, tree, graph, dp, etc. I started practicing these topic on Geeksforgeeks, leetcode, codeforces.

Application story

It was a pool campus drive. I filled the application form at Deutsche Bank careers and 25 students were shortlisted for the interview from my college.

Why selected/rejected for the role?

I was selected for this role because of my technical skills and my leadership skills as I was able to demonstrate my technical skills and how my team worked together on our project.

Preparation

Duration: 2 months

Topics: Java, MySQL, HTML, CSS, JavaScript, Nodejs, Python

Tip

Tip 1 : For OOPS, DS and programming, I recommend Codezen, Leetcode, InterviewBit and GeeksforGeeks.
Tip 2 : For OS, DBMS and Computer Network, I recommend GateSmasher, Knowledge Gate and TutorialsPoint.
Tip 3 : For SQL, I recommend W3Schools and GeeksforGeeks.
Tip 4 : Always maintain your cool during Interviews, and answer the questions calmly. If you get stuck in a problem, do not hesitate to ask for hints.

Application process

Where: Campus

Eligibility: CGPA cutoff 7

Resume tip

Tip 1: Mention only those projects and internships in your resume that you are comfortable with, that is, you can explain to the interviewee.
Tip 2: Mention only those skills/programming languages in your resume that you are comfortable with, that is, you have proper knowledge of as the interviewee can ask questions from those languages specifically.
Tip 3: Keep your data in your resume honest and accurate.

Interview rounds

Round

Medium

Online Coding Interview

Duration90 minutes

Interview date4 Sep 2020

Problems3

The coding round consisted of 3 coding questions. 1st question was of 20 marks, 2nd and 3rd of 50 marks.

1. Minimum Number Of Operations

You are given an array 'ARR' of 'N' positive integers. You need to find the minimum number of operations needed to make all ele...

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2. Avoiding Traps

Problem approach

I first made an array in the main function that will contain the number of prime numbers less than or equal to the index value of the array and passed into my called function. This will give me the a value for each test case. Then, int the called function I applied dynamic programming. I created a dp array and initialized all values to max integer (dp[0] = 0). For each index i, i put dp[i+1] if...

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3. Longest Consecutive Sequence

You are given an unsorted array/list 'ARR' of 'N' integers. Your task is to return the length of the longest consecutive sequence.

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Round

Easy

Video Call

Duration45 minutes

Interview date8 Sep 2020

Problems1

Timing: 10:15 - 11:00 am.
The interview was online from home.

1. DS and OOPS Problems

The interview contained mostly data structures and oops problems. I was asked to implement the node class of linked list and queue using circular array. He also asked me to explain polymorphism in detailing, overriding, overloading, runtime polymorphism etc with example. He asked some other questions which were mostly from DS and OOPS.

Round

Medium

Video Call

Duration45 minutes

Interview date8 Sep 2020

Problems1

Timing: 2:15 - 3:00 PM
The interview was online from home.
There were a few audio cuts in the video call but we were able to manage regardless.

1. Reverse a String

You are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of the string.

For example:

Problem approach

He asked me to write a function to reverse a string of size n. In this question I defined my string ans="" , then iterated i from n-1 to 0 and concatenated Character.toString(s.charAt(i)) to my ans and then returned ans. He followed up the question. He said “If I remove ' ”="" ' in string ans line then what will happen. I answered that it will give me a compilation error that the variable "ans"...

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