Trading Engineers International Intern Interview Questions and Answers

1 hour test contains 2 coding questions.

Q1. Delete a node from Singly and doubly linked list
Ans. 
To delete a node from a singly or doubly linked list, update the pointers of the previous and next nodes.
• For a singly linked list, update the next pointer of the previous node to skip the node to be deleted.

• For a doubly linked list, update the next pointer of the previous node and the previous pointer of the next node to skip the node to be deleted.
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Q2. Validate an email using regex pattern
Ans. 
Use regex pattern to validate an email address
• Use regex pattern /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/

• Ensure email has valid format with username, @ symbol, domain, and top-level domain

• Test regex pattern against different email addresses for validation
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2 DSA questions were given

Q1. Oops concept Like inheritance
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Q2. Question mainly based on my projects
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Q1. What is thermal engineering
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Q1. Introduce yourself to us
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Leetcode question , gfg also

Q1. Tell us about your self
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Q2. Explain this project
Ans. 
The project involved developing a mobile application for tracking daily water intake.
• Developed a user-friendly interface for inputting water consumption

• Implemented a feature to set daily water intake goals

• Integrated notifications to remind users to drink water throughout the day
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Q1. Tell me about your self
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Q2. Mission vision of the company
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Q3. Agrement and relocation
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It was easy. It was basic question.

It was a bit diff as everyone was a bit aggressive

Q1. It was long and difficult.
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Q2. Tel about all ml algo
Ans. 
Machine learning algorithms are used to analyze data, make predictions, and automate decision-making processes.
• ML algorithms can be categorized into supervised, unsupervised, and reinforcement learning.

• Examples of ML algorithms include linear regression, decision trees, support vector machines, k-means clustering, and neural networks.

• ML algorithms require labeled data for supervised learning and can learn patterns from
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Two questions and aptitude questions

Two data structures and algorithms questions

Q1. Location preference
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