Marshall Wace Interview Questions
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Marshall Wace
Medium
Software EngineerCompute max events in any 60-second window
Design a function that, given a non-decreasing list of integer timestamps (seconds), returns the maximum number of events occurring within any contigu...
Coding & Algorithms
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Aug 13, 2025
Marshall Wace
Medium
Software EngineerFind users with multi-country successful logins
Given a table login_attempts with columns: user_id (TEXT), timestamp (TIMESTAMP), status (TEXT), and country (TEXT), write an SQL query to return the ...
Data Manipulation (SQL/Python)
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Aug 13, 2025