ST Kinetics Interview Questions and Answers

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with basic DSA questions. Questions on Selenium and Linux commands were also asked.

Q1. 
Reverse a String Problem Statement
Given a string STR containing characters from [a-z], [A-Z], [0-9], and special characters, determine the reverse of the string.
Input:
The input starts with a single i...read more
Ans. 
This can be done by iterative swapping using two pointers. The first pointer points to the beginning of the string, whereas the second pointer points to the end. Both pointers keep swapping their elements and go towards each other. Essentially, the algorithm simulates the rotation of a string with respect to its midpoint.
Time Complexity : O(n)
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Q2. 
Duplicate Characters in a String
Given a string 'S' of length 'N', identify and return all the characters in the string that appear more than once along with their frequency.
Example:
Input:
 N = 5
 S =...read more
Ans. 
Approach : Using hashing
Algorithm: 
1: Construct character count array from the input string.
2: Print all the indexes from the constructed array which have values greater than 1.
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Q3. What is the cut command in Linux and how do you use it?
Ans. 
The cut command in UNIX is a command for cutting out the sections from each line of files and writing the result to standard output. It can be used to cut parts of a line by byte position, character and field. Basically the cut command slices a line and extracts the text. It is necessary to specify option with command otherwise it gives error. If more than one file name is provided then data from each file is not prece...read more
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Q4. What is the Find command in Linux and how is it used?
Ans. 
The find command in UNIX is a command line utility for walking a file hierarchy. It can be used to find files and directories and perform subsequent operations on them. It supports searching by file, folder, name, creation date, modification date, owner and permissions. By using the ‘-exec’ other UNIX commands can be executed on files or folders found.

Syntax : $ find [where to start searching from]
[expression determine
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Q1. It was purely technical based on my domain experience.
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Q1. It was technical plus HR kind of interview by my hiring manager.
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Q1. Height weight check up im was clear in this round
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Q1. Introduce yourself your name, your education Qualification, your hobbies, how many members are there in your family and what is your favorite color and why
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Grammar test

Q1. Are you willing to relocate?
Ans. Yes, im comfortable with working anywhere because i do love traveling and i would love to work in team environment
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