TartanHQ Solutions Interview Questions and Answers

Basic aptitude,math, english, communication, logic the test lasted for 1.5hours and was an online proctured test.

2 coding questions with language flexibility

Q1. Question about data structure
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Q2. Question about dbms, computer networks, projects
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Q1. Tell me about a time when you had to step away from traditional methods to solve a difficult or complex problem.
Ans. 
I had to step away from traditional methods to solve a complex problem.
• Developing a machine learning algorithm to predict customer behavior

• Instead of using traditional statistical models, I used deep learning techniques

• Implemented a neural network with multiple hidden layers

• Collected and preprocessed a large dataset of customer data

• Achieved higher accuracy and better predictions compared to traditional methods
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Q1. A series of behavioral questions such as: How did you deal with complex problems? How did you handle it if you have a team member that always against your ideas? How did you work in a team?
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Write a code for prime number

Q1. What is difference between mapping and filter
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Q2. What is time complexity
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There were 2 coding que on hakerrank

Q1. Tell me about yourself ?
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Q2. OOPS concept based with java
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Leetcode medium questions was asked on hackerrank

Q1. What is database, system design
Ans. 
A database is a structured collection of data, while system design involves creating a plan for how different components of a system will work together.
• Database is used to store and organize data in a structured manner.

• System design involves creating a plan for how different components of a system will interact and work together efficiently.

• Examples of databases include MySQL, PostgreSQL, and MongoDB.

• Examples of system...read more
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Q2. Standard leetcode questions + hashmaps + projects
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Round duration - 60 minutes
Round difficulty - Easy

Q1. 
Counting Even and Odd Occurrences
You are provided with an array or list of integers named ARR of size N. The task is to determine two things:
1. How many elements appear an odd number of times?
2. How many...read more
Ans. 
Count the number of elements with odd and even occurrences in an array of integers.
• Iterate through the array and use a hashmap to store the count of each element.

• After counting, iterate through the hashmap to determine odd and even occurrences.

• Return the counts of elements with odd and even occurrences.
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Q2. 
Delete Nodes with Greater Values On Right
You are given a singly linked list where each node contains an integer value and a reference to the next node or NULL if it is the last node. The task is to remov...read more
Ans. 
Remove nodes in a singly linked list with a greater value on the right.
• Traverse the linked list and compare each node's value with the values of nodes to its right.

• If a node has a greater value on the right, remove it from the linked list.

• Update the references of the previous node to skip the removed node.
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Round duration - 40 minutes
Round difficulty - Medium

Q1. 
Subarray Sums I Problem Statement
You are provided with an array of positive integers ARR that represents the strengths of different “jutsus” (ninja techniques). You are also given the strength of the ene...read more
Ans. 
Count the number of subarrays whose combined strength matches the given enemy strength.
• Iterate through the array and maintain a running sum to check for subarrays with sum equal to the enemy strength.

• Use a hashmap to store the running sum frequencies and increment the count of subarrays accordingly.

• Return the count of subarrays that sum up to the given enemy strength.
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Round duration - 15 minutes
Round difficulty - Easy

It was in the night around 7:00PM-7:15PM. Platform used for this round was skype. Interviewer was very friendly in nature. This round focusses more on your personality rather than knowledge.