package cc.tree.application;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Stack;
class Node {
char val;
Node lchild;
Node rchild;
public Node(char var) {
this.val = var;
}
}
public class Main {
public static void preRead(Node head) {
二叉树
最新推荐文章于 2024-07-29 08:47:18 发布