C++实现二叉树 树（森林）的广义表（括号表示法）重建树（森林） 请输入树（森林）的广义表（括号表示法）（以#结束）-C++ generalized list (in parentheses notation) to rebuild the tree (forest) Please enter the tree (forest) binary tree tree (forest) generalized table (bracket notation) (# end)