Adventure India Journey Software Engineer Interview Questions and Answers

Q1. Standard LeetCode Hard Question. But interviewer did not give the required image to understand what exactly was required. He himself was confused.
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General reasoning and Mathmatics Aptitude

Q1. Core Java and Coding questions
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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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1 hr of test on code earth platform

Q1. LPS array in string
Ans. 
LPS array in string refers to the Longest Palindromic Substring array in a given string.
• Create an array to store all the palindromic substrings found in the given string.

• Iterate through the string and check for palindromic substrings of different lengths.

• Store the longest palindromic substrings in the array.
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Q2. DP on grid problem
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DSA ROUND : DP question was asked

Q1. MICROSERVICE VS MONOLITH
Ans. 
Microservices are small, independent services that work together, while monolith is a single, large application.
• Microservices are loosely coupled and can be developed, deployed, and scaled independently.

• Monoliths are tightly coupled and any change requires redeployment of the entire application.

• Microservices allow for better fault isolation and scalability.

• Monoliths are simpler to develop and deploy initially.

• Examples ...read more
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Q2. DATABASE SELECTION
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Q1. Design Rate Limiter
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Q1. What are the types of data.
Ans. 
Types of data include numerical, categorical, ordinal, and binary.
• Numerical data includes continuous and discrete values, such as height and age.

• Categorical data includes non-numeric values, such as colors and types of fruit.

• Ordinal data includes values with a specific order, such as rankings and ratings.

• Binary data includes only two possible values, such as true/false and yes/no.
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Q1. Question on machine coding
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