Ninestars Information Technologies Research and Development Associate Interview Questions and Answers

Q1. They just check your mindset
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Round duration - 45 minutes
Round difficulty - Medium

I was asked 2 coding questions, questions from my projects and questions related to different java concepts. One question from cloud computing was also asked.

Q1. 
Maximum Subarray Sum Problem Statement
Given an array arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.
Explanation...read more
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Q2. 
Add Two Numbers as Linked Lists
You are given two singly linked lists, where each list represents a positive number without any leading zeros.
Your task is to add these two numbers and return the sum as ...read more
Ans. 
Add two numbers represented as linked lists and return the sum as a linked list.
• Traverse both linked lists simultaneously while keeping track of carry

• Create a new linked list to store the sum

• Handle cases where one list is longer than the other

• Consider edge cases like carry at the end of addition
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Round duration - 15 minutes
Round difficulty - Easy

It was a normal discussion about the role, the job expectations and about the company culture.

Round duration - 60 minutes
Round difficulty - Easy

Total 75 Mcq With 1 coding Question
It Was a written round on amcat which consist of 30 technical Mcqs and 1 coding Question and 30 aptitude question and 15 logical reasonings were there.
10 mcq from C programming 
5 mcq from dbms
5 mcq from Operating System
and rest mcq were from oops concept , Time complexities , searching , sorting , bfs and dfs .

Q1. 
Remove Duplicates from Sorted Array Problem Statement
You are given a sorted integer array ARR of size N. Your task is to remove the duplicates in such a way that each element appears only once. The outpu...read more
Ans. 
The task is to remove duplicates from a sorted integer array in-place and return the length of the modified array.
• Use two pointers, one for iterating through the array and another for keeping track of the unique elements.

• Compare the current element with the next element. If they are the same, move the second pointer forward.

• If they are different, update the first pointer and replace the element at the first pointer wit...read more
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Round duration - 50 minutes
Round difficulty - Easy

75 Psychometric question was to be answered in 50 minutes

Round duration - 60 minutes
Round difficulty - Easy

It was a technical round,so basically started with a introduction from both sides .he started asking questions from dsa 
starting with easy questions 
1. Reverse a string 
2. difference between merge sort and quick sort 
3. binary search theory 
4. dbms joins questions 
then he scanned my resume ans told me to explain my major project and i explained it throughly and asked some questions technologies which i have used 
then some operating questions .
and later he asked about my hobbies and the how different societies and clubs have helped me in my college days.
the interview last for 1 hour and i asked for a feedback and he said it was great interviewing u .
after that some

Q1. 
Reverse String Word Wise
You are tasked with reversing the given string word-wise. This means that the last word in the input string should appear first, the second-last word second, and so on. Importantl...read more
Ans. 
Reverse the given string word-wise while keeping the characters of each word in their original order.
• Split the input string by spaces to get individual words

• Reverse the order of the words in the resulting array

• Join the words back together with spaces in between
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Round duration - 30 Minutes
Round difficulty - Easy

It was HR round so he asked me some behaviorial questions starting with my introduction family background , Why i want to join newgen? why should we hire u?