My java solution , easy to understand


  • 0
    Q
    public class Solution {
    public TreeNode lowestCommonAncestor(TreeNode root, TreeNode p, TreeNode q) {
        if(p.val>q.val) return lowestCommonAncestor(root,q,p);
        if(root==null) return null;
        if(p.val>root.val) return lowestCommonAncestor(root.right,p,q);
        if(q.val<root.val) return lowestCommonAncestor(root.left,p,q);
        return root;
    }
    

    }


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