The 100 Prisoners Riddle feels completely impossible even once you know the answer. This video is sponsored by Brilliant. The first 200 people to sign up via [ Ссылка ] get 20% off a yearly subscription.
Special thanks to Destin of Smarter Every Day ([ Ссылка ]), Toby of Tibees ([ Ссылка ]), and Jabril of Jabrils ([ Ссылка ]) for taking the time to think about this mind bending riddle.
Huge thanks to Luke West for building plots and for his help with the math.
Huge thanks to Dr. Eugene Curtin and Dr. Max Warshauer for their great article on the problem and taking the time to help us understand it: [ Ссылка ]
Thanks to Dr. John Baez for his help with finding alternate ways to do the calculations.
Thanks to Simon Pampena for his input and analysis.
Other 100 Prisoners Riddle videos:
minutephysics: [ Ссылка ]
Vsauce2: [ Ссылка ]
Stand-up Maths: [ Ссылка ]
TED-Ed: [ Ссылка ]
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References:
Original paper: Gál, A., & Miltersen, P.B. (2003). The Cell Probe Complexity of Succinct Data Structures. BRICS, Department of Computer Science, University of Aarhus. All rights reserved. – [ Ссылка ]
Winkler, P. (2006). Seven Puzzles You Think You Must Not Have Heard Correctly. – [ Ссылка ]
The 100 Prisoners Problem – [ Ссылка ]
Golomb, S. & Gaal, P. (1998). On the Number of Permutations on n Objects with Greatest Cycle Length k. Advances in Applied Mathematics, 20(1), 98-107. – [ Ссылка ]
Lamb, E. (2012). Puzzling Prisoners Presented to Promote North America's Only Museum of Math. Observations, Scientific American. – [ Ссылка ]
Permutations – [ Ссылка ]
Probability that a random permutation of n elements has a cycle of length k greater than n/2, Math SE. – [ Ссылка ]
Counting Cycle Structures in Sn, Math SE. – [ Ссылка ]
What is the distribution of cycle lengths in derangements? In particular, expected longest cycle, Math SE. – [ Ссылка ]
The Manim Community Developers. (2021). Manim - Mathematical Animation Framework (Version v0.13.1). – [ Ссылка ]
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Written by Derek Muller and Emily Zhang
Filmed by Derek Muller and Petr Lebedev
Animation by Ivy Tello and Jesús Rascón
Edited by Trenton Oliver
Additional video/photos supplied by Getty Images
Music from Epidemic Sound and Jonny Hyman
Thumbnail by Ignat Berbeci
Produced by Derek Muller, Petr Lebedev, and Emily Zhang
