Instamojo Software Engineer Interview Questions and Answers

3 dsa questions medium level

Q1. 2 medium level dp questions based on string and stocks
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Q2. One hard question based on graph
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Q1. Hr questions and java , springboot questions etc
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Test was based on arrays and some dsa concepts.

Coding and aptitude round

Q1. Tree dsa questions
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Q1. Horse race question
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Q1. Location specific question
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2hrs aptitude test was there

2 hrs coding test was there

GD was conducted and then i passed it

Easy coding questions DSA

Q1. Reverse a linked list
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Q2. Find middle of linked list
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Q1. Pick from a basket of oranges
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Implement phone directory search system

Q1. Internal Implementation of HashMap
Ans. 
HashMap is implemented using an array of linked lists to handle collisions.
• HashMap stores key-value pairs in an array of linked lists

• Hash function is used to determine the index of the array where the key-value pair will be stored

• Collision handling is done by chaining, where multiple key-value pairs with the same hash value are stored in the same linked list

• HashMap allows null keys and values

• HashMap is not synchronized...read more
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Q1. Basic questions on data structures
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Q1. Second round was Managerial Round. The interviewer basically had a conversation with me and asked some hr questions also.
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Q1. Basic HR questions
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