Update design-an-expression-tree-with-evaluate-function.cpp

kamyu104 · web-flow · commit fb28fd524f1a · 2020-10-25T22:46:29.000+08:00
diff --git a/C++/design-an-expression-tree-with-evaluate-function.cpp b/C++/design-an-expression-tree-with-evaluate-function.cpp
@@ -72,7 +72,6 @@ class NodeRecu : public Node {
     NodeRecu *right = nullptr;
 };
 
-
 class TreeBuilder {
 public:
     Node* buildTree(vector<string>& postfix) {
