Update validate-binary-tree-nodes.cpp

kamyu104 · web-flow · commit b671588d76eb · 2020-02-23T23:14:24.000+08:00
diff --git a/C++/validate-binary-tree-nodes.cpp b/C++/validate-binary-tree-nodes.cpp
@@ -1,5 +1,5 @@
 // Time:  O(n)
-// Space: O(h)
+// Space: O(n)
 
 class Solution {
 public:
