在这份漫画http://xkcd.com/173/的启发下, 我知道有很多算法可以找到 加权图中最小的横线树,

I m 寻找能够产生类似这种形象的东西的算法:

I m trying to find the optimal solution for a little puzzle game called Twiddle (an applet with the game can be found here). The game has a 3x3 matrix with the number from 1 to 9. The goal is to bring ...