Ants on a Stick: Maximum Time - Quant Trader Interview Question
Difficulty: Hard
Category: Market Microstructure
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: logic, optimization, market-microstructure, mental-math
Problem Description
100 ants are randomly placed on a 1-meter stick. Each ant walks at a constant speed of 1 cm/s. When two ants collide, they instantly reverse direction. What is the maximum possible time, in seconds, until all ants have fallen off the stick?
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