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Tower Research Capital LLC Software Engineer Interview Questions, Process, and Tips
Top Tower Research Capital LLC Software Engineer Interview Questions and Answers
- Q1. Best Time to Buy and Sell Stock You are given an array/list 'prices' where the elements of the array represent the prices of the stock as they were yesterday and indices ...read more
- Q2. Dance Together Ninja has recently joined a dance studio as a coach. In the studio, there are N boys and M girls. He can make K potential pairs out of them. He needs to fi ...read more
- Q3. Given k and DFS traversal string for a k-ary tree, construct the tree. The String contains P (if a parent) and L (if a leaf). E.g. - k=3, str="PPLLLLL" 2. All the strings ...read more
Tower Research Capital LLC Software Engineer Interview Experiences
2 interviews found
I was interviewed before Jun 2016.
Interview Questionnaire
2 Questions
- Q1. Given k and DFS traversal string for a k-ary tree, construct the tree. The String contains P (if a parent) and L (if a leaf). E.g. - k=3, str="PPLLLLL" 2. All the strings are arranged in the following ord...
- Ans.
The question asks to construct a k-ary tree using the given k and DFS traversal string.
Iterate through the DFS traversal string
If the current character is 'P', create a parent node
If the current character is 'L', create a leaf node
Link the nodes according to the DFS traversal order
- Q2. "How would you tell whether a graph has a node with n degree?"
- Ans.
To determine if a graph has a node with n degree, iterate through all nodes and count their edges.
Iterate through each node in the graph
Count the number of edges connected to each node
If any node has n edges, then the graph has a node with n degree
Interview Preparation Tips
Experience: Questions on C++(Virtual fns, inheritance). Two on probability, 12 on Algorithms
Duration: 45 minutes
Round: Technical + HR Interview
Experience: He asked some more puzzles and some probability (expectation) questions. Then, he modified one question asked in the written test and asked me write code for it on paper.
Tips: First of all, prepare all the questions asked in the test before going for the interviews.
Skills evaluated in this interview
I was interviewed in May 2022.
(1 Question)
Round duration - 45 Minutes
Round difficulty - Easy
The interviewer was friendly. Explained the question well. Allowed to use any preferred platform to write code.
- Q1. Best Time to Buy and Sell Stock
You are given an array/list 'prices' where the elements of the array represent the prices of the stock as they were yesterday and indices of the array represent minu...
- Ans. Brute Force
We will check all the possible ways of buying and selling stocks. We will fix the time we are buying the stock and check all the possible minutes we can sell this stock and update the maximum profit we can get. Now we will take the maximum profit for all the possible buying time and that would be our final maximum profit.
Algorithm:
- Initialize an integer variable ‘maxProfit’ to store the maxi...
(2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
- Q1. Dance Together
Ninja has recently joined a dance studio as a coach. In the studio, there are N boys and M girls. He can make K potential pairs out of them. He needs to find the maximum number of pairs he c...
- Ans. Greedy Approach
If we observe the given problem, we can model it in a graph, specifically a bipartite graph - G (X, Y), where ‘X’ is a vertex set of boys and ‘Y’ is vertex set of girls, and there an edge between a girl and boy if they can dance together. Now we just need to find a set with a maximum number of edges such that no two edges in the set have a common vertex. Here, we will use the concept of Maximum Bipartite...
- Q2. OS Question
Multiprocessing vs multithreading
(1 Question)
Round duration - 60 Minutes
Round difficulty - Hard
- Q1. System Design Question
Describe classes and functions for the design of Splitwise.
- Ans.
Tip 1 : Read different designs for different products.
Round duration - 60 Minutes
Round difficulty - Hard
Interview Preparation Tips
Tip 1 : Practice at least 5 questions of each topic of various difficulty levels
Tip 2 : Read out theory articles about your preferred language showing your proficiency in the same.
Tip 3 : Hard work is overrated, consistency is the key.
Tip 1 : Own everything you have there, do not add random skills that you are not proficient in.
Tip 2 : Keep it clean and try to give out minimal but most of the relevant information for the role.
Skills evaluated in this interview
Software Engineer Jobs at Tower Research Capital LLC
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- Ans.
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