摘要: class TreeNode { public int val; public TreeNode left; public TreeNode right; public TreeNode(int val) { this.val = val; } } public class BinaryTree { //先序遍历递归 public static void preOrder(T... 阅读全文
posted @ 2016-07-29 20:04 32ddd 阅读(219) 评论(0) 推荐(0)