Some time ago I watched this video and after that, I was like this: WHATTTTT?!?!?!
As I watched the solution in the previous video, I couldn't believe the loop strategy can make the chance above 30 percent. So I started to implement the loop strategy and it is working :D
https://en.wikipedia.org/wiki/100_prisoners_problem https://www.youtube.com/watch?v=a1DUUnhk3uE