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Two Sigma Interview Questions

6 practice questions for Two Sigma technical interviews

coding Medium Verified

Binary Step Reduction


Category: Algorithm coding problem
You 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
coding Hard Verified

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: List
Output: Computed result
coding Hard Verified

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...
Input: Array
Output: Integer
coding Hard Verified

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...
Input: List
Output: Computed result
coding Medium Verified

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...
Input: Array
Output: Computed result
coding Medium Verified

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...
Input: Array
Output: Integer

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