Typo: 오탈자 수정

Author: HC-kang

maximum-depth-of-binary-tree/HC-kang.ts

@@ -37,7 +37,7 @@ function maxDepth(root: TreeNode | null): number {
   }
 
   let max = 0;
-  
+
   const stack: [TreeNode | null, number][] = [];
   stack.push([root, 1]);
 
@@ -52,4 +52,4 @@ function maxDepth(root: TreeNode | null): number {
   }
 
   return max;
-}
+}