/**
* Definition for a binary tree node.
* public class TreeNode {
* int val;
* TreeNode left;
* TreeNode right;
* TreeNode(int x) { val = x; }
* }
*/
class Solution {
public TreeNode searchBST(TreeNode root, int val) {
if(root==null){
return null;
}
if(val<root.val){
return searchBST(root.left,val);
}else if(val>root.val){
return searchBST(root.right,val);
}else{
return root;
}
}
}
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转载自blog.csdn.net/weixin_43283092/article/details/89536475
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