MathCo Intern Interview Questions and Answers

2 DSa questions + cs fundamentals mcq

Q1. System design e-commerce
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Q2. SRE fundamentals
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Q1. Managerial round, resume, work experience and stuff
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Aptitude, analytical, abstract reasoning, numerical ability, critical thinking, speaking skills

Was asked to write the program for a puzzle related to bucket and rings. Here, I was to be played with computer such that I will always win. The win will be decided if I am the last to enter the rings in buckets. I was given number of buckets, etc.

Q1. What do you hope to achieve in this role?
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Q1. Longest Valid Parentheses
Ans. 
Find the length of the longest valid parentheses substring in a given string.
• Use a stack to keep track of the indices of opening parentheses.

• Iterate through the string and update the maximum length of valid parentheses.

• Handle cases where closing parentheses are encountered without a matching opening parentheses.
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Q2. Find the maximum number in the subarrays of length k.
Ans. 
Find the maximum number in the subarrays of length k.
• Iterate through the array and keep track of the maximum number in each subarray of length k.

• Use a sliding window approach to efficiently find the maximum number in each subarray.

• Time complexity can be optimized to O(n) using a deque data structure.
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Q1. Spiral Matrix Question
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An aptitude test covering basic aptitude topics

Q1. An in depth discussion on one of my projects and scopes to improve it and how to go about them
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Q1. Basic HR questions
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2 DSa questions + cs fundamentals mcq

Q1. System design e-commerce
Add your answer
Q2. SRE fundamentals
Add your answer

Q1. Managerial round, resume, work experience and stuff
Add your answer

Most questions were English and mathematics based with a few pattern based ones as well

Q1. Technical case studies , out of the box thinking was appreciated
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Q1. Aptitude as well as general questions were asked
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