Merge pull request #1695 from L1Y1/master

Update 0235.二叉搜索树的最近公共祖先.md
2022-10-20 09:18:34 +08:00
parent 237728f703 8193870813
commit c6c3ae1e21
2 changed files with 23 additions and 18 deletions
--- a/problems/0235.二叉搜索树的最近公共祖先.md
+++ b/problems/0235.二叉搜索树的最近公共祖先.md
@@ -328,13 +328,11 @@ var lowestCommonAncestor = function(root, p, q) {
    }
    if(root.val>p.val&&root.val>q.val) {
        // 向左子树查询
-        let left = lowestCommonAncestor(root.left,p,q);
-        return left !== null&&left;
+         return root.left = lowestCommonAncestor(root.left,p,q);
    }
    if(root.val<p.val&&root.val<q.val) {
        // 向右子树查询
-        let right = lowestCommonAncestor(root.right,p,q);
-        return right !== null&&right;
+        return root.right = lowestCommonAncestor(root.right,p,q);
    }
    return root;
 };