BTree资源下载

#include"malloc.h"#include"iostream.h"#definenull0typedefstructBTreeNode{chardata;structBTreeNode*lchild,*rchild;}BTNode;BTNode*createtree(){BTNode*BT;charch;cin>>ch;if(ch!='#'){BT=(BTNode*)malloc(sizeof(BTNode));BT->data=ch;BT->lchild=