c语言输出二叉树图形,C语言数据结构树状输出二叉树，谁能给详细的解释一下...

该楼层疑似违规已被系统折叠 隐藏此楼查看此楼

void TranslevelPrint(Bitree bt)

{

struct node

{

Bitree vec[MAXLEN]; //存放树结点

int layer[MAXLEN]; //结点所在的层

int locate[MAXLEN]; //打印结点的位置

int front,rear;

}q;

int i,j,k;

int nLocate;

j = 1;

k = 0;

q.front = 0;

q.rear = 0;

//printf(" ");

printf(" ");

q.vec[q.rear] = bt;

q.layer[q.rear] = 1;

q.locate[q.rear] = 20;

q.rear = q.rear + 1;

while(q.front < q.rear)

{

bt = q.vec[q.front];

i = q.layer[q.front];

nLocate = q.locate[q.front];

if(j < i) //进层打印时换行

{

printf("\n");

printf("\n");

j = j + 1;

k = 0;

while(k < nLocate)

{

printf(" ");

k++;

}

}

while(k < (nLocate-1))

{

printf(" ");

k++;

}

printf("%c",bt->data);

q.front = q.front + 1;

if(bt->lchild != NULL) //左孩子不为空，入队

{

q.vec[q.rear] = bt->lchild;

q.layer[q.rear] = i + 1;

q.locate[q.rear] = nLocate - pow(2, NLAYER-i-1);

q.rear = q.rear +1;

}

if(bt->rchild != NULL) //右孩子不为空，入队

{

q.vec[q.rear] = bt->rchild;

q.layer[q.rear] = i + 1;

q.locate[q.rear] = nLocate + pow(2, NLAYER-i-1);

q.rear = q.rear +1;

}

}

}