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Goldman Sachs OA Coding Interview: Calculus – Integration – Fixed

OA Goldman Sachs OA Coding Interview: Calculus – Integration – Fixed

Calculus – Integration – Fixed Compute the integral ∫ from -π to π of (3 + 2 sin x + 3 cos x)(1 + 4 sin x) dx Pick ONE option: 7π 8π 14π 16π This questi…

18 Views 0 Comments
OA 2026-04-25
Amazon OA Interview Question: Minimum Boxes to Unload

Amazon Amazon OA Interview Question: Minimum Boxes to Unload

Amazon OA: Minimum Boxes to Unload The supply chain manager at one of Amazon’s warehouses is shipping the last container of the day. All n boxes have be…

23 Views 0 Comments
Amazon 2026-04-25
Quant OA Interview Question: DirReduc — String Array Direction Reduction

OA Quant OA Interview Question: DirReduc — String Array Direction Reduction

Write a function dirReduc that takes an array of strings and returns a string array. The returned array should have all unnecessary directions removed,…

18 Views 0 Comments
OA 2026-04-25
TikTok OA Interview Problem: Count Length-3 Substrings Containing a Vowel

OA TikTok OA Interview Problem: Count Length-3 Substrings Containing a Vowel

You are given a string chatMessage . Your task is to count the number of substrings of exactly length 3 that contain at least one vowel ( a , e , i , o…

19 Views 0 Comments
OA 2026-04-25
Goldman Sachs OA Interview Question: Bitwise XOR Subsequences

Goldman Goldman Sachs OA Interview Question: Bitwise XOR Subsequences

Given an array of integers and an integer k , determine the length of the longest valid subsequence in the array. A subsequence is formed by removing ze…

18 Views 0 Comments
Goldman 2026-04-25
TikTok OA Interview Question: Network Sockets

OA TikTok OA Interview Question: Network Sockets

1. Network Sockets Consider two pseudo-code snippets illustrating file transfer mechanisms between a client and a server. Pseudo-code 1 Client: file = o…

18 Views 0 Comments
OA 2026-04-25
TikTok OA Interview Questions: Concurrency, Storage, File Systems, and Graph Algorithms

OA TikTok OA Interview Questions: Concurrency, Storage, File Systems, and Graph Algorithms

1. Handling High Concurrency in Web Server Your web server at TikTok needs to handle a high number of concurrent connections efficiently. Which server a…

27 Views 0 Comments
OA 2026-04-25
Amazon OA Interview Question: Quality Minimum Replacement Cost

Amazon Amazon OA Interview Question: Quality Minimum Replacement Cost

The manager of the Amazon warehouse has decided to make changes to the inventory. Currently, the inventory has n products, where the quality of the i -t…

26 Views 0 Comments
Amazon 2026-04-25
Fortinet OA Interview Question: Shortest Path in a Binary Matrix

Fortinet Fortinet OA Interview Question: Shortest Path in a Binary Matrix

Given a binary rectangular matrix, find the minimum number of steps from a given source to a given destination. The path can only be constructed out of…

16 Views 0 Comments
Fortinet 2026-04-25
Amazon OA Interview Question: Minimum Watch Score of a Contiguous Period

Amazon Amazon OA Interview Question: Minimum Watch Score of a Contiguous Period

Given an array watch_history of size n , that represents the web series watched by a viewer over a period of days, and two integers, series1 and series2…

14 Views 0 Comments
Amazon 2026-04-25
Capital One OA Coding Interview: Taxi Driver Data Analysis

Capital One Capital One OA Coding Interview: Taxi Driver Data Analysis

You are given datasets containing information about taxi drivers and their rides. Your task is to perform some basic data analysis and save the results…

19 Views 0 Comments
Capital One 2026-04-25
Amazon OA Coding Interview: Result — Regex Matching

Amazon Amazon OA Coding Interview: Result — Regex Matching

Amazon is developing a regex matching library for NLP use cases. A prototype regex matching implementation has the following requirements: The regex exp…

18 Views 0 Comments
Amazon 2026-04-25
Coinbase OA Interview Question: Sandbox Tests | In-Memory Database Field Queries, TTL, Backup & Restore

coinbase Coinbase OA Interview Question: Sandbox Tests | In-Memory Database Field Queries, TTL, Backup & Restore

Level 1 The basic level of the in-memory database contains records. Each record can be accessed with a unique identifier key of string type. A record ma…

21 Views 0 Comments
coinbase 2026-04-25
Amazon OA Interview Problem: Get Min Errors | String Greedy and Dynamic Programming

Amazon Amazon OA Interview Problem: Get Min Errors | String Greedy and Dynamic Programming

Amazon’s database doesn’t support very large numbers, and hence, numbers are stored as a string of binary characters, ‘0’ and ‘1’ . Accidentally, a ‘!’…

22 Views 0 Comments
Amazon 2026-04-25
TikTok OA Interview Question: Cache Eviction Policies | LRU vs FIFO

OA TikTok OA Interview Question: Cache Eviction Policies | LRU vs FIFO

Implement the Least Recently Used (LRU) and First In First Out (FIFO) cache eviction policies, respectively. Pick ONE OR MORE options. // LRU cache = Li…

16 Views 0 Comments
OA 2026-04-25
Uber OA Interview Question: Balanced Numbers in a Permutation

OA Uber OA Interview Question: Balanced Numbers in a Permutation

Given a permutation p of length n , a number k is balanced if there are two indices l , r ( l <= r ) such that the numbers p[l] , p[l + 1] , …, p[r…

19 Views 0 Comments
OA 2026-04-25
Akuna Capital OA Interview Question: Table of Contents

Akuna Capital Akuna Capital OA Interview Question: Table of Contents

Create a table of contents for a simple markup language. It must follow two rules: If a line starts with a single # followed by a space, then it is a ch…

16 Views 0 Comments
Akuna Capital 2026-04-25
GTS OA Interview Problem: Min Moves

GTS GTS OA Interview Problem: Min Moves

Min Moves Chris and Alex are in a game show where they navigate a maze with hidden gold coins. Chris must collect all gold coins and deliver them to Ale…

14 Views 0 Comments
GTS 2026-04-25
OA Interview Problem: Minimum Total Lag to Connect Data Centers and Servers

OA OA Interview Problem: Minimum Total Lag to Connect Data Centers and Servers

An AWS client has brought servers and databases from data centers in different parts of the world for their application. For simplicity, let’s assume al…

17 Views 0 Comments
OA 2026-04-25
Microsoft OA Interview Question: Empty Triangle

Microsoft Microsoft OA Interview Question: Empty Triangle

There are N points on a plane, numbered from 0 to N – 1. The coordinates of the K-th point are (X[K], Y[K]). Find any triangle with vertices at three of…

15 Views 0 Comments
Microsoft 2026-04-25
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