Instawork India Senior Software Engineer Interview Questions and Answers

The coding test was divided in 4 sections:
1> Java and SpringBoot multiple choice questions
The question topics included, multihreading, springboot context, security

2> Leetcode style program question 1 - Easy

3> Leetcode style program question 2 - Medium
Length of longest consecutive ones by at most one swap.

4> Sql query question

Questions were crayon box ,the bot and the game and happy neighbourhood for 90 mins

Q1. Array basics was asked
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Q2. Segment tree,prefix sum
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Q1. Low level design was asked
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Mostly DSA expect DP, graph problems

Q1. Graph traversal + DP
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React based
problem solving round

Asked medium level graph question.

Asked LLD question with at flow executable.

Q1. Asked HLD questions.
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It was a ideal machine coding round. Consisting of a question to be completed within 45 mins. For a given manager to employee hierarchy, count direct + indirect repartees.

Q1. Print the nodes of a n-ary tree in an arc wise manner as seen from the outside.
Ans. 
Print nodes of n-ary tree in arc wise manner from outside
• Traverse the tree level by level from outside to inside

• Use a queue to keep track of nodes at each level

• Print the nodes at each level in a clockwise or anticlockwise manner
Answered by AI
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Q1. Node JS internal
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Q2. Previous project discussion
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