C++高手来看看：树的孩子兄弟表示法,这个程序里面的TXT文件该怎么建立啊!
#include
using namespace std;
typedef struct CSNode
{
char data;
struct CSNode * firstchild ,* nextsibling ;
}* CSTree;
//
#define MAXSIZE 10
CSTree q[MAXSIZE];
int count=0;
//初始化
void init_cstree(CSTree &tree)
{
tree->firstchild = NULL;
tree->nextsibling = NULL;
}
//创建树
void creat_cstree(CSTree &T)
{
FILE *fin=fopen("树的孩子兄弟表示法.txt","r");
char fa=' ',ch=' ';
for( fscanf(fin,"%c%c",&fa,&ch); ch!='#'; fscanf(fin,"%c%c",&fa,&ch) )
{
CSTree p=(CSTree)malloc(sizeof(CSTree));
init_cstree(p);
p->data=ch;
q[++count]=p;
if('#' == fa)
T=p;
else
{
CSTree s = (CSTree)malloc(sizeof(CSTree));
int i;
for(i=1;idata == fa)
{
s=q[i];
break;
}
}
if(!(s->firstchild) ) //如果该双亲结点还没有接孩子节点
s->firstchild=p;
else //如果该双亲结点已经接了孩子节点
{
CSTree temp=s->firstchild;
while(NULL = temp->nextsibling)
{
temp=temp->nextsibling;
}
temp->nextsibling=p;
}
}
}
fclose(fin);
}
//前序遍历
void print_cstree(CSTree &tree)
{
coutnextsibling!=NULL)
print_cstree(tree->nextsibling);
}
//输出树中所有从根到叶子结点的路径的算法
//void allpath_tree()
int main()
{
CSTree cstree;
cstree=(CSTree)malloc(sizeof(CSTree));
init_cstree(cstree);
creat_cstree(cstree);
//输出树
print_cstree(cstree);
cout