Jupiter Money Interview Questions, Process, and Tips

Round duration - 90 minutes
Round difficulty - Medium

Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.

Q1. 
Find the Third Greatest Element
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
Input:
The first line contains a single integer 'T' representing the numb...read more
Ans. 
Find the third largest element in an array of distinct integers.
• Sort the array in descending order and return the element at index 2.

• Handle cases where there are less than 3 elements in the array.

• Consider edge cases like negative integers and duplicates.
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Q2. 
Longest Palindromic Substring Problem Statement
You are provided with a string STR of length N. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...read more
Ans. 
Identify the longest palindromic substring in a given string.
• Iterate through each character in the string and expand around it to find palindromes

• Keep track of the longest palindrome found so far

• Return the longest palindromic substring with the smallest start index
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Q3. 
Ninja and Geometry Problem Statement
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...read more
Ans. 
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
• Implement a function to calculate the intersection point of two lines on a 2D plane

• Handle precision up to six decimal places in the output

• Return -1.000000 -1.000000 if the lines do not intersect

• Ensure the lines 'AB' and 'PQ' are distinct
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Round duration - 90 minutes
Round difficulty - Hard

Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.

Q1. 
Find the Third Greatest Element
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
Input:
The first line contains a single integer 'T' representing the numb...read more
Ans. 
Find the third largest element in an array of distinct integers.
• Sort the array in descending order and return the element at index 2.

• Handle cases where the array has less than 3 elements separately.

• Consider using a set to ensure distinct elements in the array.
Answered by AI
View 1 more answer
Q2. 
Longest Palindromic Substring Problem Statement
You are provided with a string STR of length N. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...read more
Ans. 
Identify the longest palindromic substring in a given string.
• Iterate through the string and expand around each character to find palindromes

• Keep track of the longest palindrome found

• Return the longest palindromic substring with the smallest start index
Answered by AI
Add your answer
Q3. 
Ninja and Geometry Problem Statement
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...read more
Ans. 
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
• Use the formula for finding the intersection point of two lines in 2D space.

• Handle precision issues that may arise due to floating-point arithmetic.

• Return -1.000000 -1.000000 if the lines do not intersect.

• Ensure the lines 'AB' and 'PQ' are distinct.
Answered by AI
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Coding round was for 1 hour. 1 medium-difficulty coding question on Arrays was asked. The code could be written on our IDE. Interviewer was friendly and provided good hints and feedback.

Q1. Design a hotel booking management system
Ans. 
A hotel booking management system to handle reservations, room availability, guest information, and payment processing.
• Create a database to store information on rooms, reservations, guests, and payments

• Develop a user interface for guests to search for available rooms and make reservations

• Implement a payment gateway for secure transactions

• Include features for managing room availability, cancellations, and guest check-in...read more
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Q1. General HR questions about our expectations from the job
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Basic aptitude test to check the right skill set

Q1. Technical knowledge about the role, responsibilities, etc with various situation handling, decision making
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Q1. One on one round with AVP on skill set and knowledge
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Q1. One on one round with the CS head
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Q1. Final discussion on pay package, joining and other stuffs
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Round duration - 45 minutes
Round difficulty - Medium

Two DSA questions were asked in this round in 45 min.

Q1. 
Maximum Subarray Sum Problem Statement
Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array.
Example:
Input:
array = [34, -50, 42, 14, -5, 86]
Out...read more
Ans. 
Find the maximum sum of any contiguous subarray within an array of integers.
• Iterate through the array and keep track of the maximum sum of subarrays encountered so far.

• Use Kadane's algorithm to efficiently find the maximum subarray sum.

• Handle cases where all elements are negative by returning the maximum element in the array.

• Example: For array [34, -50, 42, 14, -5, 86], the maximum subarray sum is 137.
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Q2. 
Odd Occurrence Element Problem Statement
Given an array of integers where each element appears an even number of times except for one element which appears an odd number of times, find the element that ap...read more
Ans. 
Find the element that appears an odd number of times in an array of integers.
• Iterate through the array and use XOR operation to find the element that appears odd number of times.

• Keep a count of occurrences of each element using a hashmap.

• Return the element that has an odd count of occurrences.
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