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Paxcom India Software Developer Interview Questions, Process, and Tips

Updated 19 May 2022

Paxcom India Software Developer Interview Experiences

1 interview found

I appeared for an interview before May 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 50 Minutes
Round difficulty - Easy

50 questions - 1 hour

  • Q1. 

    Problem Statement: Largest Island

    You are provided with a non-empty grid consisting of only 0s and 1s. Your task is to determine the maximum area of an island within the given grid.

    An island consists of a...

  • Ans. 

    Find the maximum area of an island in a grid of 0s and 1s.

    • Iterate through the grid and perform depth-first search (DFS) to find connected 1s.

    • Keep track of the area of each island found and return the maximum area.

    • Consider all four directions (horizontal, vertical, and diagonal) while exploring the island.

    • Handle edge cases like grid boundaries and already visited cells during DFS.

    • If no island is present, return 0 as the

  • Answered by AI
Round 2 - Coding Test 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

2 question of coding - 1 hour

  • Q1. 

    Circular Move Problem Statement

    You have a robot currently positioned at the origin (0, 0) on a two-dimensional grid, facing the north direction. You are given a sequence of moves in the form of a string ...

  • Ans. 

    Determine if a robot's movement path is circular on a 2D grid given a sequence of moves in the form of a string.

    • Create a variable to track the robot's position (x, y) and direction (north, east, south, west).

    • Iterate through the move sequence and update the position and direction based on the current move.

    • Check if the robot returns to the starting position after completing the move sequence.

    • Return true if the robot ends

  • Answered by AI
  • Q2. 

    Character Frequency Problem Statement

    You are given a string 'S' of length 'N'. Your task is to find the frequency of each character from 'a' to 'z' in the string.

    Example:

    Input:
    S : abcdg
    Output:
    1...
  • Ans. 

    The task is to find the frequency of each character from 'a' to 'z' in a given string.

    • Create an array of size 26 to store the frequency of each character from 'a' to 'z'.

    • Iterate through the string and increment the count of the corresponding character in the array.

    • Print the array of frequencies as the output for each test case.

  • Answered by AI
Round 3 - Telephonic Call 

(2 Questions)

Round duration - 20 Minutes
Round difficulty - Easy

Introduction
Projects
DBMS
Oops

  • Q1. 

    Digit Count In Range Problem Statement

    Given an integer K, and two numbers A and B, count the occurrences of the digit K in the range [A, B].

    Include both the lower and upper limits in the count.

    Input:

    ...
  • Ans. 

    Count occurrences of a digit in a given range.

    • Iterate through the range [A, B] and count occurrences of digit K.

    • Convert integers to strings for easier digit comparison.

    • Handle edge cases like when A or B is equal to K.

    • Optimize by considering the position of K in the range.

  • Answered by AI
  • Q2. 

    Reverse the String Problem Statement

    You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.

    Example:

    Input:
    STR = "abcde"
    Output:
    "e...
  • Ans. 

    Reverse a given string containing alphabets, numbers, and special characters.

    • Iterate through the string from the end to the beginning and append each character to a new string.

    • Alternatively, you can use built-in functions like reverse() or slicing in some programming languages.

    • Remember to handle different types of characters like alphabets, numbers, and special characters.

    • Ensure to consider the constraints on the input

  • Answered by AI
Round 4 - Video Call 

(2 Questions)

Round duration - 40 Minutes
Round difficulty - Easy

 Introduction
 Projects (describe all mention in resume)
 Polymorphism (definition, types and real world example)
 Joins (left & right)
 Use of groupby
 JVM (JDK & JRE)

  • Q1. 

    Missing Number Problem Statement

    You are provided with an array named BINARYNUMS consisting of N unique strings. Each string represents an integer in binary, covering every integer from 0 to N except for ...

  • Ans. 

    Find the missing integer in binary form from an array of unique binary strings.

    • Iterate through the binary strings and convert them to integers.

    • Calculate the sum of all integers from 0 to N using the formula (N*(N+1))/2.

    • Subtract the sum of integers in the array from the total sum to find the missing integer.

    • Convert the missing integer to binary form and return it as a string.

  • Answered by AI
  • Q2. 

    Find Two Missing Numbers Problem Statement

    Given an array of unique integers where each element is in the range [1, N], and the size of the array is (N - 2), there are two numbers missing from this array....

  • Ans. 

    Given an array of unique integers with two missing numbers, identify and return the missing numbers.

    • Iterate through the array and mark the presence of each number in a separate array.

    • Find the missing numbers by checking which numbers are not present in the marked array.

    • Return the missing numbers in increasing order.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from National Institute of Technology, Kurukshetra. I applied for the job as SDE - 1 in MohaliEligibility criteria60% overallPaxcom interview preparation:Topics to prepare for the interview - Data Structures, OOPS, Algorithms, OS, Java, SQL, DBMSTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Main focus on DS algo
Tip 2 : Do Subject also (dbms, os, etc)
Tip 3 : Do some good projects

Application resume tips for other job seekers

Tip 1 : Highlight your strong points
Tip 2 : Change resume according to required skills by comapny

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

I applied via Company Website and was interviewed in Oct 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

20 questions and 40 minutes time, questions were asked from computer science basics and aptitude

Round 2 - Coding Test 

5 coding questions and 1 hr time. Questions were easy to medium level and mostly asked on topics like array, strings and basic data structures

Round 3 - Technical 

(1 Question)

  • Q1. Next 3 rounds were technical interviews. Coding questions were asked in all rounds and some hr questions in 3rd interview.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and practice solving coding questions on simple text editor.

I applied via Campus Placement and was interviewed in Jul 2022. There were 5 interview rounds.

Round 1 - Aptitude Test 

Basic Aptitude questions mainly on quantitative

Round 2 - Coding Test 

Google docs was shared which has 5 coding questions mainly on array and string.

Round 3 - Technical 

(4 Questions)

  • Q1. Interviewer introduced himself , then told the flow of interview ie. 2 coding question will be asked then he asked to introduce myself
  • Q2. Occurance of characters in string
  • Ans. 

    The question is about finding the occurrence of characters in a string.

    • Iterate through the string and count the occurrence of each character.

    • Use a hash table to store the count of each character.

    • Consider the case sensitivity of the characters.

    • Handle special characters and spaces as required.

  • Answered by AI
  • Q3. Angle between hour and minute hand of clock at a given time
  • Ans. 

    The angle between hour and minute hand of a clock at a given time.

    • Calculate the angle made by the hour hand with 12 o'clock

    • Calculate the angle made by the minute hand with 12 o'clock

    • Find the difference between the two angles

    • If the difference is greater than 180 degrees, subtract it from 360 degrees

    • The result is the angle between the hour and minute hand

  • Answered by AI
  • Q4. Both question I was able to solve quickly interview was sheduled for one hour but i solved questions in 23 minutes so interview ended. I was called for second techinal round
Round 4 - Technical 

(4 Questions)

  • Q1. Same format as above introduction and 2 coding questions
  • Q2. 1 Integer to roman it took me some time to solve the question
  • Q3. 2 given sum and we have to print all the subsequences in array with given sum
  • Ans. 

    Printing all the subsequences in an array with a given sum.

    • Use recursion to generate all possible subsequences.

    • Check if the sum of each subsequence is equal to the given sum.

    • Print the subsequences that satisfy the condition.

    • Time complexity: O(2^n).

  • Answered by AI
  • Q4. The interview took almost 45 minutes and i was able to solve both questions so i was selected for third round ie technical + HR
Round 5 - HR 

(5 Questions)

  • Q1. First introduction then as all rounds 2 coding questions and then HR questions were asked
  • Q2. 1 print string without taking repeating characters eg helper - helpr
  • Ans. 

    The task is to print a string without any repeating characters.

    • Iterate through the string and keep track of the characters seen so far.

    • If a character is already seen, skip it.

    • Otherwise, add it to the output string.

    • Return the output string.

  • Answered by AI
  • Q3. 2 sort array of 0s and 1s in only one loop solution was using two pointers
  • Ans. 

    Sort an array of 0s and 1s in one loop using two pointers.

    • Use two pointers, one starting from the beginning and the other from the end.

    • Swap the values at the pointers if the value at the beginning pointer is greater than the value at the end pointer.

    • Continue until the pointers meet in the middle.

    • Time complexity is O(n).

  • Answered by AI
  • Q4. I solved both the questions then questions were asked on projects
  • Q5. Difficulties in project how you learn new technology After two days I received mail and I was selected for software developer role

Interview Preparation Tips

Topics to prepare for Raja Software Labs Software Developer interview:
  • arrays
  • string
Interview preparation tips for other job seekers - - Practice questions on array and string
- Also see puzzles on GFG they are also asked frequently
- No need to revise DBMS , OS for RSL interviews only coding is necessary

Skills evaluated in this interview

I appeared for an interview in Aug 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. First non repeating character in a string
  • Ans. 

    Find the first non-repeating character in a string.

    • Create a hash table to store character frequency

    • Iterate through the string and update the hash table

    • Iterate through the string again and return the first character with frequency 1

  • Answered by AI
  • Q2. Longest substring pallandrome in a string
  • Ans. 

    Find the longest substring that is a palindrome in a given string.

    • Use dynamic programming to solve the problem efficiently.

    • Create a 2D boolean array to store the results of subproblems.

    • Check for palindromes of length 1 and 2 separately.

    • For substrings of length greater than 2, check if the first and last characters are the same and the substring between them is also a palindrome.

    • Update the result if a longer palindrome

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare easy to medium level DSA from GFG. And many times they ask questions which were asked earlier in previous years.

Skills evaluated in this interview

Round 1 - Coding Test 

5 coding questions in the first round

Round 2 - One-on-one 

(2 Questions)

  • Q1. About yourself , about your project explaination.
  • Ans. Explianation about your project they'll ask fine details also.
  • Answered Anonymously
  • Q2. Find prime numbers value.
  • Ans. 

    A prime number is a number greater than 1 that is divisible only by 1 and itself.

    • Start with a loop to iterate through numbers

    • Check if each number is divisible by any number from 2 to its square root

    • If not divisible, add it to the list of prime numbers

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - just go through leet code question easy and medium.

I applied via Job Fair and was interviewed in May 2022. There were 2 interview rounds.

Round 1 - MCQ test 

(1 Question)

  • Q1. MCQ test. 20 questions were asked and attempted in 30 minutes.
Round 2 - Coding Test 

1hr duration, test can be attempted in any language. I have attempted in python.

Interview Preparation Tips

Topics to prepare for Raja Software Labs Software Developer interview:
  • Java
  • Python
Interview preparation tips for other job seekers - MCQ test based on loops and string, asked in java I think. I attempted and cleared. 20 questions/30 mins.

coding test was 1 hour and 5 questions were given. medium level questions.
Interview experience
3
Average
Difficulty level
-
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Aptitude Test 

Basic coding question on array and string.

Interview Preparation Tips

Interview preparation tips for other job seekers - Do coding practices as much you can
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Assignment 

Code Snept question with 3-4 Reasoning question. Google form

Round 2 - Assignment 

Pen paper coding round. String , Array . Linkedlist , graph, questions

Round 3 - Technical 

(3 Questions)

  • Q1. Maximum Spaning
  • Q2. Nearest Prime number
  • Ans. 

    To find the nearest prime number, iterate from the given number in both directions until a prime number is found.

    • Start iterating from the given number in both directions to find the nearest prime number.

    • Check if a number is prime by dividing it by all numbers less than its square root.

    • Keep track of the closest prime number found during the iteration.

  • Answered by AI
  • Q3. Second Maximum Number in Array
  • Ans. 

    Find the second maximum number in an array of strings.

    • Convert the array of strings to an array of integers.

    • Sort the array in descending order.

    • Return the second element in the sorted array.

  • Answered by AI
Round 4 - Technical 

(4 Questions)

  • Q1. Project Question
  • Q2. Robot question of DSA
  • Q3. Stock Buy and sell - VI . Leetcode Hard
  • Q4. Leetcode Medium

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

DSA questions such as Map, linked list

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Coding Test 

Three were basic questions around strings and arrays

Round 2 - One-on-one 

(1 Question)

  • Q1. Detailed discussion on data structures and algorithms

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