Two Sigma data engineer interviews cover ETL pipelines, data modelling, SQL optimisation, distributed systems like Spark and Kafka, and warehouse architecture.
1. Binary Step Reduction
Category: Algorithm coding problemYou are given a positive integer
n. Your goal is to reduce it to zero using the fewest operations possible. In a single operation, you may add or...Input: Integer(s)Output: Integer
2. Concert Ticket Auction
Category: Algorithm coding problem
Question A venue is holding an auction to allocate a limited number of concert tickets to fans. Before the sale closes, fans can submit bids. Each...
Input: ListOutput: Computed result
3. Pipeline Throughput Optimizer
Category: Array coding problem
Question A message-processing pipeline consists of n services that must all be traversed in sequence. The pipeline's effective throughput is...
Output: Integer
4. Non-Adjacent Team Selection
Category: Tree coding problem
Question You are given n people labeled from 0 to n - 1. Some pairs of people know each other directly. These relationships are given as a...
Output: Computed result
5. Pythagorean Node Finder
Category: Tree coding problem
Question You are given an undirected tree with n nodes labeled from 0 to n - 1. The tree is described by two integer arrays treeFrom and...
Output: Computed result
6. Balanced Drainage Split
Category: Tree coding problem
Question You are given a water drainage network shaped as a rooted tree with n nodes labeled from 0 to n - 1. Water flows from each node...
Output: Integer
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