Paytm Software Engineer Interview Questions, Process, and Tips

Q1. Kth element in a linked list
Ans. 
To find the kth element in a linked list, iterate through the list and return the element at the kth position.
• Iterate through the linked list while keeping track of the current position

• Return the element when the current position equals k

• Handle cases where k is out of bounds or the linked list is empty
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Q2. Level order traversal with alternate order
Ans. 
Level order traversal of a binary tree with alternate order
• Use a queue to perform level order traversal

• Alternate the order of nodes at each level

• Example: For a binary tree with nodes 1, 2, 3, 4, 5, the output could be ['1', '3 2', '4 5']
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Q1. Verification vs Validation/ Authentication vs Authorization/ OOPs/ Design Patterns/ Core Java/ SQL Queries Understanding/ Hands-on-exp-with HTML,CSS,JavaScript/ Hands-on-Exp-With JavaScript-with-AJAX+Servl...read more
Ans. ChatGPT/ Blogs/ Articles/ TELUSKO YOUTUBE CHANNEL FOR EVERYTHING JAVA UNDER THE SUN/ GITHUB_PICK_CODE_INSTALL_AND_PRACTICE ...[STUDY IN THE VERY SAME ORDER IN WHICH THESE ARE SLASH/PRESENTED HEREIN!!!!!!!!] [All da BBBBBBBBBBBBBBBBBBBest!]
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Q2. Eat sleep PLAY repeat!
Ans. Did you try to be diligent!
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Q3. Did you try to be consistent, committed, devoted?
Ans. 
Yes, I always strive to be consistent, committed, and devoted in my work.
• I prioritize tasks and set achievable goals to ensure consistency

• I am committed to meeting deadlines and delivering quality work

• I am devoted to continuously learning and improving my skills

• For example, in my previous job, I consistently met project deadlines and received positive feedback from my team for my dedication to the project
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1 hour, 3 questions, all dsa based

Q1. Merge sort was asked to me
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Q1. About trees, polymorphism
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About hashmap and java script