角斗士与美女的智力游戏，到底该不该改变选择，概率是不是0.5？-The Gladiator beauty puzzle game, in the end this should not change the selection, the probability is not 0.5?

美女野兽的赌徒模型，使用随机法计算.其中实验次数可以自定义-Beauty beast gamblers model calculation, using a random method