Spinny Interview Questions, Process, and Tips

3 Coding question, mix of easy medium and hard questions. Online proctored on Hackerrank

Q1. 1. A variation on 2 sum problem (based on number of digits) 2. Average of node value and its subtree (Count no of nodes where average of the subtree and the node itself equals to the node value). It was t...read more
Ans. 
2 sum problem variation based on number of digits and finding nodes where average of subtree and node value equals node value.
• For the 2 sum problem variation, use a hash table to store the digits and their indices.

• For the subtree problem, use a recursive function to traverse the tree and calculate the average.

• Examples: [1, 2, 3, 4, 5] with target 7 and tree with root 5, left child 4, right child 6, should return 2 and
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Q1. I was asked an LLD question about a system to manage and track cars and their maintenance. Also some questions based on run time polymorphism and SQL
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Q1. Discussion with the CTO. You get to explain about the work you did and some clarifying questions.
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Q1. Tell me about yourself
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Q1. What was your role in previous organization
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Just from question and basic communication skills test

Test about my product knowledge and Mock call

Q1. Asked about self introduction and about previous work experience
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Q1. What called 4 stoke engine
Ans. 
A 4-stroke engine is a type of internal combustion engine that completes four separate strokes (intake, compression, power, exhaust) in two crankshaft revolutions.
• Intake stroke: Fuel and air are drawn into the combustion chamber.

• Compression stroke: The fuel-air mixture is compressed by the piston.

• Power stroke: The spark plug ignites the compressed mixture, causing an explosion that drives the piston down.

• Exhaust stroke...read more
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Q1. Tell me about youself
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