Paxcom India Software Engineer Trainee Interview Questions and Answers

20 basic coding and non coding mcq with 60 min time.

5 basic coding problems with 60 min time based on arrays string and numbers.

Q1. 1St Technical Interview 3 coding problems 1) leap Year 2)binary to decimal 3)prime number
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Q1. 2nd Technical Interview 1)input: "Raja Software Labs" output: "Raja%20Software%20Labs" 2) find contigious subarray with max sum
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Q1. 3rd Technical Interview did not qualify for this round
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If you are a fresher , then this is for you else almost no coding test for experienced candidates.

Q1. Javascript basics, Angular react general questions depends upon profile.
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Q1. They asked general questions related to some hectic situation faced in previous company / project..
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General topics like mathe, English, social etc

Round duration - 60 mins
Round difficulty - Medium

Q1. 
Railway Seat Berth Determination
Given a railway seat number represented as an integer, determine if it is a valid seat number and identify its berth type. Possible berth types include lower berth, middle...read more
Ans. 
Given a railway seat number, determine if it is valid and identify its berth type.
• Parse input integer 't' for number of test cases

• For each test case, check if seat number is valid (1 <= N <= 100)

• Identify berth type based on seat number and output the result

• Possible berth types are Lower, Middle, Upper, Side Lower, and Side Upper
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Round duration - 90 mins
Round difficulty - Hard

First they asked me to introduce myself then they started questioning on oops concept from basic to advance level such as inheritance, polymorphism, abstraction, exception handling , STL etc. Next they started questioning on data structures. They asked me the logic of “how to find the middle of a linked list”.

Q1. 
Matrix Symmetry Check
You are provided with a square matrix. Your task is to return true if the matrix is symmetric; otherwise, return false.
A symmetric matrix is characterized by its transpose being eq...read more
Ans. 
Check if a square matrix is symmetric by comparing it with its transpose.
• Iterate through the matrix and compare each element with its corresponding element in the transpose

• If any pair of elements do not match, return false immediately

• If all pairs match, return true at the end
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Basic Aptitude questions like quantitative and logical

Programs have to written for given questions

Q1. F2F interview programming questions were asked
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Q2. Questions were asked about projects and technology used in project
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The test contains basic programming output questions and some aptitude questions.

We have to solve 5 programming questions in 1 hour. Questions are on arrays and strings.

Q1. Parenthesis balancing Reversing the string Finding the angle between hour and minute hand of clock
Ans. 
Three technical questions related to string manipulation and clock calculations.
• For parenthesis balancing, use a stack data structure to keep track of opening and closing brackets.

• To reverse a string, use two pointers starting from the beginning and end of the string and swap characters until they meet in the middle.

• To find the angle between hour and minute hand of clock, use the formula (30H - 11/2M) degrees, where H ...read more
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Q2. Prime no Add all digits in a number
Ans. 
The question asks to check if a number is prime and add all its digits.
• To check if a number is prime, we can use a loop to divide it by all numbers from 2 to its square root.

• If the number is divisible by any of these numbers, it is not prime.

• To add all digits in a number, we can use a loop to extract each digit and add it to a running total.
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