From the game gbrainy under Ubuntu 10.10

Q: how many matches does it take to determine the winner of a tennis tourment that starts with 54 players?

A: 53 matches. In every match I eliminate 1 player, so I need the total number of players minus 1 to find out the winner.



这道题我的初始答案是 64 。 原因有：

没有抓住 圆的特点 所以不会想到这种排法。圆和方到底有什么不同，如果按我的排法其实是适用于方形物体的。