Category: 学习笔记

090424 database

#include <stdio.h> #include <malloc.h> typedef struct Binnode    /*二叉树节点结构体建立*/     {  char data;  struct Binnode *lchild;  struct Binnode *rchild;  }Binnode, *Bintree;    /*using way of DRL to build the bintree*/  void Creat_Bintree(Bintree root)            /*指针指向root*/  {   char ch;   if ((ch=getchar())==’ ‘)              /*空树*/   {    root=NULL;   }   else   {    root=(Bintree)malloc(sizeof(Binnode));    root->data=ch;    Creat_Bintree(root->lchild);    Creat_Bintree(root->rchild);   }  }  /*using the DLR  递归遍历*/ […]