摘要: 1.先序遍历 public List<Integer> preorderTraversal (TreeNode root) { List<Integer> list =new ArrayList<>(); Deque<TreeNode> deque =new ArrayDeque<>(); whil 阅读全文
posted @ 2022-03-12 19:29 Eric_muyi 阅读(66) 评论(0) 推荐(0)