At a time when fintech is growing at a rapid paceGoldman SachsCoderPad, Goldman Sachs' common online programming interview platform, has become an important test of candidates' programming ability with its simple interface and powerful real-time collaboration features. In this article, we will share our interview experience with you. Goldman Sachs CoderPad Interview The process, question types, and response strategies will help you take the road less traveled in your job search.
pre-interview preparation
Understand Goldman Sachs’ core business and technical direction in advance, and be familiar with common languages (Java / Python / C++). The interview uses CoderPad, and you need to adapt to the rhythm of real-time programming and talking about ideas while writing. Technically, the focus is on consolidating the foundation of data structures and algorithms, emphasizing clear ideas and code stability.
Interview process and question types
CoderPad interviews typically last 1–1.5 hours and get you into coding quickly. The topics are mainly algorithmic topics above average, supplemented by data structure design and code optimization, and some rounds are combined with financial business scenarios. Interviewers focus on problem-solving logic, code quality and communication skills, rather than pure results.
Goldman Sachs interview questions sharing
Algorithms and data structures
Topic: Given an array of integers Nums, find all sums as target values Target Of non-repeating subarrays. For example, input array [1, 2, -1, 3, -2, 2], target value Target=3, the output should be [[1, 2], [3], [1, 2, -1, 3]] . This question comprehensively examines the use of hash tables and double pointer algorithms. When solving the problem, you can first record the prefix sum through the hash table, use double pointers to traverse the array, and ensure that the time complexity is O(n) At the same time, the problem of repeated subarrays is cleverly handled. In the actual interview, you need to clearly explain the problem-solving ideas to the interviewer, such as how to quickly find prefixes and differences that meet the conditions through a hash table, and the logic of double pointer movement. At the same time, pay attention to code writing specifications and boundary condition processing.
Programming questions
Topic: Assume that given a column number in Excel ColumnNumber,like 27, write a program to return the corresponding column name, which in this question should be 'AA' . This question mainly tests the understanding and programming implementation of base conversion. When solving the problem, you need to realize that Excel column names are similar to hexadecimal representation, counting from 1 and without 0. By continuously performing the remainder and integer division operations on the column number by dividing 26, the remainder is converted into the corresponding letter (A-Z), and pay attention to the order in which high bits and low bits are processed. If implemented in Python, the conversion can be completed through loops, modulo, and integer division operations. At the same time, comments can be added to explain the role of key steps to show clear programming logic.
Behavioral interview questions
Topic: Describe a time when you set a goal that required a lot of time and effort. To answer such questions you can use STAR Law, that is, describing the situation at that time (Situation), such as participating in an important scientific research project during college; clarifying tasks (Task), that is, to complete a certain innovative research topic within the specified time; describe the actions taken (Action), such as making detailed plans, reviewing a large amount of literature, conducting repeated experiments, etc.; and finally explaining the results (Result), if you successfully complete the project and achieve excellent results, you will be recognized by the instructor. Demonstrate your goal orientation, perseverance, and problem-solving skills through a complete and clear description.
Topic: Tell me about a time when you worked on a team that was divided. When answering, first introduce the team background and project situation, explain the reasons for the disagreement (such as different views on the project direction and working methods), and focus on describing how to actively communicate and coordinate, such as organizing team meetings to fully listen to the opinions of all parties, analyze the pros and cons, seek common goals, and finally reach an agreement and promote the smooth progress of the project, reflecting your teamwork, communication and conflict resolution abilities.
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