MAQ Software Software Developer Interview Questions, Process, and Tips

It was an 1hr interview session

Q1. Find the occurrence of each element in an array
Ans. 
Count the occurrence of each element in an array of strings
• Iterate through the array and use a hashmap to store the count of each element

• If element already exists in the hashmap, increment its count by 1

• Return the hashmap with element counts
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Q1. Tell me about yourself
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Coding test was really good it was easier to tackle the problem and writting code for it.

Q1. Can you tell me about yourself?
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Q2. What is the major project you have worked on, and can you provide an explanation of it?
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q1. SQL ques and concept
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Total two DSA question and 25 mcqs

Q1. Zigzag traversal of binary tree
Ans. 
Zigzag traversal of binary tree involves alternating the direction of traversal at each level.
• Use a queue to perform level order traversal of the binary tree.

• For each level, alternate between adding nodes to the result list from left to right and right to left.

• Continue this process until all levels have been traversed.
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Q2. Minimum swaps to group all ones together
Ans. 
The minimum number of swaps needed to group all ones together in an array of 0s and 1s.
• Iterate through the array to count the total number of ones.

• Use a sliding window of size equal to the total number of ones to find the window with the minimum number of zeros.

• Calculate the number of swaps needed to move all ones to that window.
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General on Online editors

Q1. Find the first occurrence of an element in an rotated array.
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Pattern question based on Alphabets

Leetcode easy, medium

Q1. Cpp , dsa , os, cn, coa
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Q2. Sort 0,1,2 array
Ans. 
Sort an array of strings containing '0', '1', and '2'.
• Use counting sort algorithm to count the occurrences of '0', '1', and '2'.

• Create a new array with the sorted counts of '0', '1', and '2'.

• Join the sorted array back into a single array of strings.
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Q1. Why should we hire you?
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Basic dsa questions , basic recursion questions of trees ,graphs and searching algorithms there are some mcq questions that too on dsa

They asked few sql and dsa questions like a open board test

Q1. Sort a vector according to other other vector ?
Ans. 
Sort a vector based on another vector
• Use std::sort with a custom comparator function

• The comparator function should compare the indices of the elements in the second vector

• The first vector should be sorted based on the order of the indices in the second vector
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Q2. String processing question where we need to process a string by using given instructions .
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