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class Solution { public TreeNode deleteNode(TreeNode root, int key) { if(root == null) return null; if(root.val == key) { if(root.left == null) { retu 阅读全文
posted @ 2020-07-13 09:46
Sexyomaru
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摘要:
方法一:层序遍历,只要节点不连续,返回false class Solution { public boolean isCompleteTree(TreeNode root) { Queue<TreeNode> queue=new LinkedList<>(); TreeNode prev=root; 阅读全文
posted @ 2020-07-13 09:39
Sexyomaru
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