This problem is called the "100 Prisoners Problem", more info on the math here: ****** Thanks to ****** for supporting us on Subbable! and to Subbable supporter @vicnice137 And thanks to my friend Dan Hoff for introducing me to this problem! MinutePhysics is on Google - ****** And facebook - ****** And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nathaniel aniel Schroeder ****** Thanks to Nima Doroud for contributions. Created by Henry Reich