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Instacart Interview Questions

5 practice questions for Instacart technical interviews

coding Medium Verified

Pattern First Occurrence


Category: String coding problem
You are given a search pattern and a log string, both consisting of uppercase letters and the wildcard character *. The * wildcard matches...
Input: String
Output: Computed result
coding Hard Verified

Minimum Workers For Average Task Time


Category: Algorithm coding problem
A manufacturing plant has workers processing jobs. Each job has a processingTime and an arrivalTime. Workers process one job at a time. When a...
Input: List
Output: Integer
coding Medium Verified

Cipher Grid Decoder


Category: Grid/matrix coding problem
A cipher system encodes characters inside a grid. The grid rows contain uppercase letters. The coordinate system places the origin at the bottom-left...
Input: 2D grid
Output: Computed result
coding Hard Verified

Analytics Pivot Query


Category: Graph coding problem
An e-commerce analytics platform stores transaction records in a data warehouse. Each record contains at least the columns transaction_id, cost,...
Input: Graph (nodes and edges)
Output: Computed result
coding Medium Verified

Config Chain Resolver


Category: Array coding problem
A configuration management system resolves config values through chains of references.
Input: Array
Output: Computed result

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