ColorTokens Software Engineer Interview Questions and Answers

2 Leetcode Medium questions on hackerrank

Q1. Kadane algorithm based question
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Q2. Leetcode medium
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Q3. Resume based questions
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Q1. Probability question math problem
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Q2. Puzzle to solve
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Q3. AI based question
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Q4. 1 question to solve Leetcode medium
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It was a Basic Aptitude Test

We were asked to do Sorting, SQL queries (join)

Q1. Can you tell me about yourself?
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies such as Java, JavaScript, and SQL
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Q1. Sorting of an array
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Q2. Bubble sorting algorithm
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Q1. Java oops question
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Q1. API questions related to put and patch api
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2 questions on hakerrank
1) dp question to calculate the frequency of the elements of a tree
2) graph problem to calculate the cost to buy at one city and sell at another

Q1. Create a family tree where a node has at most 2 parents and n children. Create 2 functions to find all the nodes preceding the given node and all the nodes following.
Ans. 
Create a family tree with nodes having at most 2 parents and n children. Implement functions to find preceding and following nodes.
• Create a tree structure where each node has references to its parents and children

• Implement a function to find all nodes preceding a given node by traversing up the tree

• Implement a function to find all nodes following a given node by traversing down the tree

• Consider using depth-first search
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Aptitude was conducted through online, it was not tough.

Offline round where they contain basic program, sql, and frontend questions

Q1. They asked about program that we have written.
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Q1. HR was friendly
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Q1. Basic Python Programming question with list, regex, strings
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Aptitude Test with 1 coding question and 8 other aptitude questions

Q1. DSA questions with some dbms questions.
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Q1. DSA + SQL query writing questions. Do revise SQL before interview.
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Q1. Basics Oops concepts and SQL queries along with currently working projects stacks
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Q1. More in-depth technical questions use of reflections etc
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Q1. Usual HR interviews company values etc
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