#include <stdio.h>

#include <stdlib.h>

typedef struct Bitnode   //定义二叉树

{

        char data;

        struct Bitnode *lchild,*rchild;

}Bitnode,*Bitree;

void createBitree(Bitree &T)   //创建二叉树

{

        char ch;

        ch=getchar();

        if(ch=='  ')  T=NULL;

        else

        {

                T=(Bitree)malloc(sizeof(Bitnode));

                T->data=ch;

                createBitree(T->lchild);

                createBitree(T->rchild);

        }

}

int high(Bitree T)   //求二叉树高度函数

{

        int h,h1,h2;

        if(!T)  h=0;

        else if(!T->lchild&&!T->rchild)  h=1;

        else

        {

                h1=high(T->lchild);

                h2=high(T->rchild);

                h=(h1>h2?h1:h2)+1;

        }

        return h;

}

int leaf(Bitree T)    //求叶子结点个数函数

{

        int l,lc,rc;

        if(!T)   l=0;

        else if(!T->lchild&&!T->rchild)   l=1;

        else

        {

                lc=leaf(T->lchild);

                rc=leaf(T->rchild);

                l=lc+rc;

        }

        return l;

}

int all(Bitree T)    //求总结点函数

{

        int n,nl,nr;

        if(!T)  n=0;

        else if(!T->lchild&&!T->rchild)  n=1;

        else

        {

        nl=all(T->lchild);

        nr=all(T->rchild);

        n=nl+nr+1;

        }

        return n;

}

void main()    //主函数

{

        int a,b,c;

        Bitree T;

        printf("请输入二叉树:\n");

        createBitree(T);

        a=high(T);

        printf("二叉树的高度为%d:\n",a);

        b=leaf(T);

        printf("二叉树的叶子节点为%d:\n",b);

        c=all(T);

        printf("二叉树的总节点为%d:\n",c);

}