Quokka Labs Software Developer Interview Questions and Answers

Q1. Peak element in array
Ans. 
A peak element in an array is an element that is greater than or equal to its neighbors.
• Iterate through the array and check if the current element is greater than its neighbors.

• If the element at index i is greater than or equal to elements at indices i-1 and i+1, it is a peak element.

• Example: ['1', '3', '2', '4', '1'] has peak elements at index 1 and 3.
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Q2. 2 dimentional array rotate 90 degree
Ans. 
Rotate a 2D array by 90 degrees clockwise
• Transpose the array

• Reverse each row of the transposed array
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Pollitices current generation

1st round we had 3 coding question that has to be written(Easy,Medium,Hard)

We had Gd with self intro

Q1. Tell me about Yourself
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Q2. He gave me a coding question
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DSA coding easy ,time complexity,space complexity

Q1. Tiktactoo logic,SQL,
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Q2. Tell about yourself
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Written Coding Test - Arrays, Matrix in any language

GD is Group Discussion only shortlisted students will attend GD Round

Q1. I've not attended
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Q2. Then there will be a HR Round
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Based on JavaScript and Java.

A task based on JavaScript.

Q1. Find the second most occurrence of string.
Ans. 
Find the second most occurrence of string in an array of strings.
• Create a dictionary to store the count of each string in the array

• Sort the dictionary by count in descending order

• Return the key of the second element in the sorted dictionary
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Before Aptitude Test, There was a telephonic interview round in which they test your communication and ask questions about your education and projects. You just have to show your confidence to pass this round. After that, the aptitude test was quite easy. There are 15 questions all are doable in just 15 to 20 minutes of time span.

After that, The coding round takes place in which they provide you with a device with an online compiler of your preferred programming language and ask you to solve 4 questions without using any built-in function. The questions are based on Linked Lists, Stacks, Arrays, etc. You have to do it all manually. This round lasts up to 1 hour.

Q1. The technical round takes place in which they ask different questions from your coding round, a few concept-based ones, and also a few questions to test your thinking and problem-solving abilities like the...read more
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