ThoughtSpot Interview Questions, Process, and Tips

A 90-minute coding test on HackerRank, which includes one medium, one easy, and one hard question.

Q1. What is the index of the first occurrence where a pattern string matches with a text string?
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Q2. Given a string, how can we find the minimum length substring whose sum is greater than or equal to a specified target?
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Q1. Focus is on linux. Troubleshooting on linux regarding performance, CPU, disk etc
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Q2. Linux commands to perform certain task if you know cloud basics of cloud SG VPC EC2 instance
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Q3. Linux network troubleshooting and basics
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Q1. Focused on advanced linux TS
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There were 3 questions in the online assessment.

1 - Binary Search
2 - DP
3 - Graphs

Q1. Implement a persistence stack with constant time operations
Ans. 
Implement a persistence stack with constant time operations
• Use a combination of a stack and a hashmap to achieve constant time operations for push, pop, and get operations

• Maintain a stack to store the elements and a hashmap to store the index of each element in the stack

• When pushing an element, add it to the stack and update its index in the hashmap

• When popping an element, remove it from the stack and also remove its i...read more
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Q1. Median of two sorted arrays and OOPs basics
Ans. 
Finding the median of two sorted arrays and discussing OOPs basics
• To find the median of two sorted arrays, merge the arrays and then calculate the median

• OOPs basics include concepts like encapsulation, inheritance, polymorphism, and abstraction

• Example: Median of [1, 3] and [2] is 2.0
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Q1. 2 rounds, 2 coding questions in each round. Managerial round.
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Q1. Promises in Javascript
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Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises help in handling asynchronous operations in a more organized manner.

• They can be in three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() method to handle success and failure cases.

• They can also be used with async/await for more readable asynchronous code.
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Q1. React fundamentals
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Q1. Why do you want to join our company
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Q2. Notice period, joining date etc
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