'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'
BNY Mellon interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
BNY Mellon
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3 rounds | 7 Coding problems
Interview preparation journey
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Preparation
Duration: 8 months
Topics: 1. DSA (most imp) as they are interested in testing your problem-solving skills.2. Practice communicating while you code.3. Prepare everything that you have mentioned in your resume.4. CSE core subjects: OOP, DBMS, CN, Operating System
Tip
Tip

Tip 1 : Focus on building your problem-solving skills.
Tip 2 : Do not ignore the CSE core subject and projects.
Tip 3 : Give mock interviews so that you can communicate effectively in the interview.

Application process
Where: Campus
Eligibility: Female candidates, BE/BTech/ M.E/M.Tech/ MCA/ M.Sc. & MS Maths and Computing, CGPA 7 and above No current/active backlogs
Resume Tip
Resume tip

Tip 1 : Keep it short and crisp
Tip 2 : Make your resume according to the job requirement
Tip 3 : Don't add fake projects etc
Tip 4 : Have 1-2 descent project in your resume

Interview rounds
01
Round
Hard
Video Call
Duration60 minutes
Interview date23 Nov 2020
Coding problem2

The interview was scheduled for 10 am in the morning.
It started with a coding question related to Dynamic Programming Paradigm.
Then we further discussed the various data structures & algorithms and graph theory.
It was a mix of coding questions and theoretical concepts.
The interviewer was very nice and wanted to listen to various approaches that I gave.

1. Minimum Number Of Taps To Water Garden
Hard
15m average time
85% success
0/120
Asked in companies
AtlassianFlipkartMeesho

The gardener wants to water the garden by opening the minimum number of taps. The garden is one-dimensional along the x-axis of length N i.e. ...

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Problem approach

1. Brute force
2. Optimised it using Dynamic Programming
3. Edge cases

Try solving now
2. Data Structures

What is a BST, what are other types of trees?
Theoretical questions based on the Graph data structure. 
Where graph traversals algorithms are used? Tell about different traversal algorithms and write the order of printing of nodes.

Problem approach

Have clear concepts.

02
Round
Medium
Video Call
Duration60 minutes
Interview date9 Dec 2020
Coding problem4

The interview included 2 coding questions and questions based on CSE core subjects.
The interview began with a question related to Linked List. After doing that I was asked many questions on CSE core concepts.
Then at last one more coding question was asked.

1. Cycle Detection in a Singly Linked List
Moderate
15m average time
80% success
0/80
Asked in companies
ProtiumInfosysDelhivery

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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Problem approach

1. It was a standard question so I told the approach
2. Wrote the code and checked the edge cases

Try solving now
2. Palindromic Substrings
Moderate
20m average time
80% success
0/80
Asked in companies
CognizantPaytm (One97 Communications Limited)Tata Consultancy Services (TCS)

You have been given a string STR. Your task is to find the total number of palindromic substrings of STR.

Example :
If the input string is "abbc&qu...
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Problem approach

1. Brute Force
2. Optimised it using DP
3. Edge cases

Try solving now
3. DBMS

Write a SQL query: Employee and department table is given you need to find the salary of employees in each department
Which databases have you used? 
Difference between SQL and NoSQL?
What is the CAP theorem?

Problem approach

Tip 1 : Practice writing SQL queries
Tip 2 : Make a note of all DBMS imp concepts and most common interview questions
Tip 3 : Before the interview, go through last moment notes om GFG

4. General Questions

- Switch vs Hub
- Which data structure is used in switches?
- TCP vs UDP

Problem approach

Tip 1 : Read mostly asked interview questions from Geeks for Geeks before interviews

03
Round
Medium
HR Round
Duration30 minutes
Interview date17 Dec 2020
Coding problem1

It was a technical+HR round with a senior member.
It was a discussion based on data structures. Map data-structure was discussed a lot then a few questions related to my projects and some HR questions.

1. Data Structures

1. Asked about the previous rounds.
2. Favourite programming language?
4. How hashing is done in maps?
5. What is the Hash function? What will happen if a hash function returns 1 always?
6. Difference between a map and an unordered map?
The interviewer discussed a lot about map data structure.
7. Discussed the automation project which was mentioned in my resume.
8. What are...

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Problem approach

Tip 1 : Have a clear understanding of the internal implementation of data structures
Tip 2 : Know your projects and tech used
Tip 3 : Research a bit about the company

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