invert binary tree: TC, SC 추가

eunhwa99 · eunhwa99 · commit af3329711a58 · 2025-02-09T10:04:03.000+09:00
diff --git a/invert-binary-tree/eunhwa99.java b/invert-binary-tree/eunhwa99.java
@@ -1,5 +1,7 @@
 class Solution {
 
+  // TC : O(N)
+  // SC : O(1)
   public TreeNode invertTree(TreeNode root) {
     if (root == null) {
       return null;
@@ -16,3 +18,4 @@ public TreeNode invertTree(TreeNode root) {
   }
 
 }
+

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,7 @@`
`1`	`1`	`class Solution {`
`2`	`2`
	`3`	`+ // TC : O(N)`
	`4`	`+ // SC : O(1)`
`3`	`5`	`public TreeNode invertTree(TreeNode root) {`
`4`	`6`	`if (root == null) {`
`5`	`7`	`return null;`
`@@ -16,3 +18,4 @@ public TreeNode invertTree(TreeNode root) {`
`16`	`18`	`}`
`17`	`19`
`18`	`20`	`}`
	`21`	`+`