一般支持三种格式的图片排版 %% if you use PostScript figures in your article %% use the graphics package for simple commands %% usepackage{graphics} %% or use the graphicx package for more complicated commands %% usepackage{graphicx} %% or use the epsfig package i
题目的大意是:进行一系列的操作push,pop.来确定后序遍历的顺序 An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations ar
