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Goldman Sachs Associate Engineer Interview Questions, Process, and Tips
Top Goldman Sachs Associate Engineer Interview Questions and Answers
- Q1. Find the missing number in the array? Array size is of n-1 and contains 1 to n numbers with 1 digit missing.
- Q2. Find the number of parenthesis have to be removed to make it a valid parenthesis --> (())) - 1 has to be removed, ((() -> 2 has to be removed.
- Q3. Find the maximum sub-array having continues numbers(i,i+1,i+2..)
Goldman Sachs Associate Engineer Interview Experiences
2 interviews found
Anonymous
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Find the missing number in the array? Array size is of n-1 and contains 1 to n numbers with 1 digit missing.
- Ans.
The missing number in the array can be found by calculating the sum of all numbers in the array and then subtracting it from the sum of numbers from 1 to n.
Calculate the sum of all numbers in the array.
Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2.
Subtract the sum of array from the sum of numbers from 1 to n to find the missing number.
- Q2. Find the number of parenthesis have to be removed to make it a valid parenthesis --> (())) - 1 has to be removed, ((() -> 2 has to be removed.
- Ans.
Count the number of parenthesis to be removed to make it valid.
Iterate through the string and keep track of open and close parenthesis.
If a close parenthesis is encountered without a corresponding open parenthesis, increment the count of removals.
Return the total count of removals needed to make the string valid.
(2 Questions)
- Q1. Find the maximum sub-array having continues numbers(i,i+1,i+2..)
- Ans.
Find the maximum sub-array with continuous numbers
Iterate through the array and keep track of the current sub-array sum
Update the maximum sum and sub-array indices as you iterate
Handle cases where the array contains negative numbers as well
Example: Input array [2, 3, -4, 5, 7], maximum sub-array is [2, 3, -4, 5, 7]
- Q2. Number of islands variant - focused on time complexity
- Ans.
Count the number of islands in a 2D grid variant, focusing on time complexity.
Use Depth First Search (DFS) or Breadth First Search (BFS) to traverse the grid and mark visited islands.
Optimize by using Union Find data structure to keep track of connected islands.
Time complexity can be O(m*n) where m is the number of rows and n is the number of columns.
Interview Preparation Tips
Skills evaluated in this interview
1st round was online coding test with 1 DSA problem and one OOPs based problem
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement
Permutation and combination Java program . Reverse string
(2 Questions)
- Q1. Find second largest salary using sql
- Ans.
Use SQL query with ORDER BY and LIMIT to find second largest salary.
Use SELECT statement to retrieve the salary column from the table.
Use ORDER BY clause to sort the salaries in descending order.
Use LIMIT 1,1 to skip the first highest salary and retrieve the second highest salary.
- Q2. Detailed questions on collection in Java
Skills evaluated in this interview
I applied via campus placement at Bharati Vidyapeeths College of Engineering, Delhi and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. What is oops and define the parameter for basic oops concepts?
- Ans.
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
Basic OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation refers to the bundling of data with the methods that operate on that data.
Inheritance allows a class to inherit properties and behavior from another class.
Polymorphism allows objects to be treated as instances of the...
- Q2. Aptitude question to find the age of child with given data
(1 Question)
- Q1. Java basics questions
(1 Question)
- Q1. About previous working
(1 Question)
- Q1. Tell about previous work
It comprises of 30 questions from verbal quant.
It comprises of few coding questions related to graph dp.
Selected
I applied via Referral and was interviewed before Oct 2022. There were 3 interview rounds.
(3 Questions)
- Q1. C# oops concept sql
- Q2. Abstract class , diff between abstract and interface
- Q3. Oops concept in c sharp
- Ans.
Oops concept in C# refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
Inheritance allows a class to inherit properties and behavior from another class. Example: class B : A
Encapsulation is the bundling of data with the methods that operate on that data. Example: private int age;
Polymorphism allows methods to behave differently based on the object they are cal...
(1 Question)
- Q1. Tech Discussion
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
(1 Question)
- Q1. Related for system administrator quotes
Interview Preparation Tips
ANSHUL GUPTA
Selected
I applied via Naukri.com and was interviewed in Jul 2023. There were 2 interview rounds.
(1 Question)
- Q1. Java, exception handling, sorting algo, array based simple DSA
(1 Question)
- Q1. HLD of microservice project
- Ans.
High Level Design (HLD) of a microservice project involves breaking down the system into smaller services for scalability and flexibility.
Identify the different components of the system and break them down into separate microservices.
Define the communication protocols between the microservices, such as REST APIs or messaging queues.
Consider the data storage and how it will be shared among the microservices, using datab...
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Goldman Sachs Associate Engineer Interview Process
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