Wells Fargo Senior Manager Interview Questions and Answers

DSA questions lettcode easy and medium

Q1. Rotate and image by 90 degree
Ans. 
To rotate an image by 90 degrees, transpose the image matrix and then reverse each row.
• Transpose the image matrix by swapping elements across the diagonal

• Reverse each row of the transposed matrix
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Q2. Print cousin nodes
Ans. 
Print cousin nodes in a tree structure
• Traverse the tree to find the parent node of the given node

• Find all the children of the parent node except the given node

• Print the names of the cousin nodes
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Q1. Design google drive
Ans. 
Design a cloud storage service like Google Drive
• Implement user-friendly interface for uploading, organizing, and sharing files

• Provide seamless integration with other Google services like Gmail and Google Docs

• Ensure robust security measures to protect user data

• Offer scalable storage options for individuals and businesses

• Enable offline access and synchronization across devices
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Q2. Follow up questions on LLD/HLD
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Q1. Past project related questions
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Q2. Mostly checking the fitment
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Q1. Data structure interview questions
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Q2. Queue , Stack questions asked
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Hacker rank test with 2 questions to solve

Q1. Just technical round, you should know basic in your language
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Online test for 1 hr

Tree implementation : search, add

Q1. Design pattern used
Ans. 
The design pattern used is the Singleton pattern.
• Ensures a class has only one instance and provides a global point of access to it

• Commonly used in scenarios where only one instance of a class is needed, such as database connections or logging

• Implemented by creating a static method to return the same instance of the class each time it is called
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Q2. Design project and classes
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Q1. Current project
Ans. 
Currently leading a cross-functional team in developing a new product launch strategy.
• Leading a cross-functional team

• Developing a new product launch strategy

• Ensuring alignment with company goals and objectives
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Q2. Discussion on prod
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Q1. What was my current CTC
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Q1. How much is my book size
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