SIXT Research & Development Software Engineer III Interview Questions and Answers

General reasoning and Mathmatics Aptitude

Q1. Core Java and Coding questions
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Q1. FInd the max triplets such that i
Ans. 
Find the max triplets such that i
• Sort the array in ascending order

• Iterate over the array and keep track of the maximum triplet

• Return the maximum triplet
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Q2. Find the duplicate record in MySQL table
Ans. 
Finding duplicate records in MySQL table
• Use GROUP BY and HAVING clause to group and filter duplicate records

• SELECT statement with COUNT(*) function can be used to count the number of occurrences

• UNIQUE constraint can be added to the table to prevent duplicates
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Q1. To find the kth minimum element from BST
Ans. 
To find the kth minimum element from a Binary Search Tree (BST)
• Perform an in-order traversal of the BST to get elements in sorted order

• Return the kth element from the sorted list

• Time complexity: O(n) where n is the number of nodes in the BST
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Q2. Basic OOPs question like inheritance encapsulation
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Q1. In a BST two numbers are swapped find swapped nos.
Ans. 
To find swapped numbers in a BST, perform inorder traversal and keep track of previous node.
• Perform inorder traversal of the BST

• Keep track of the previous node while traversing

• If at any point, the current node's value is less than the previous node's value, those are the swapped numbers
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Q2. What you did in college projects
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Q1. Puzzles: find the fastest 3 horses in 25 horse race with a race and 5 horses can be run at a time
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Q2. Weakness and strength. how a friend will describe you
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Q1. General questions on mobile development with flutter
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Q1. Core : DBMS , oops in depth coding: basic DSA questions based on Arrays, String.
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Q1. He asked me graph questions ( medium level ) based on a node to root, and min cost to target. note: if you really want to crack the yata.com interview practice graph question and they ask a leetcode questi...read more
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2 DSA questions, 1 was Sliding Window (DP problem), Simple Linked List

Q1. DBMS, Operating system, and general quiz
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Q2. Last 2nd Highest salary in sql
Ans. 
To find the last 2nd highest salary in SQL, use a subquery with the MAX function.
• Use a subquery to find the maximum salary excluding the highest salary

• Select the maximum salary from the result of the subquery
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Round duration - 60 minutes
Round difficulty - Medium

Timing was fine - It was in the afternoon
Interviewer was friendly and helpful

Q1. 
Find Duplicates in an Array
Given an array ARR of size 'N', where each integer is in the range from 0 to N - 1, identify all elements that appear more than once.
Return the duplicate elements in any orde...read more
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Round duration - 60 minutes
Round difficulty - Medium

- Timing was fine - Afternoon
- Interviewer was friendly

Q1. How would you design a caching library?
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Round duration - 60 minutes
Round difficulty - Medium

- Timing was fine - Afternoon
- Interviewer was friendly

Q1. What is the number of edges in a 10x10 cube?
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