交换机棵计划艰苦　就艰苦　可就可环境艰苦葫芦科科技了客里空-plan switches trees can be hard on the difficult environment can be difficult gourds technology Lane off the air

图象程序的眼格畸安定内的产生深刻机好看上和开会回答棵和好看大会可好看 -image of the eye procedures Lattice'11 stability within the machine have a profound and beautiful trees and answer meeting the General Assembly could look good!

自适应四叉树，能够自适应地根据用户输入的点生成四叉树剖分。要求用户在屏幕上随机生成若干个点，程序能够自动对屏幕窗口进行自适应的四叉树剖分，使得剖分后每个四叉树节点内包含的点个数少于n个（n可由用户给定，比如把n设为2）。-tree