Update

youngyangyang04 · youngyangyang04 · commit 808f2f3e8d91 · 2021-02-12T15:27:09.000+08:00
diff --git a/problems/算法模板.md b/problems/算法模板.md
@@ -75,7 +75,7 @@ void traversal(TreeNode* cur, vector<int>& vec) {
     traversal(cur->right, vec); // 右
 }
 ```
-中序遍历（中左右）
+前序遍历（中左右）
 ```
 void traversal(TreeNode* cur, vector<int>& vec) {
     if (cur == NULL) return;

Original file line number	Diff line number	Diff line change
`@@ -75,7 +75,7 @@ void traversal(TreeNode* cur, vector<int>& vec) {`
`75`	`75`	`traversal(cur->right, vec); // 右`
`76`	`76`	`}`
`77`	`77`	```
`78`		`-中序遍历（中左右）`
	`78`	`+前序遍历（中左右）`
`79`	`79`	```
`80`	`80`	`void traversal(TreeNode* cur, vector<int>& vec) {`
`81`	`81`	`if (cur == NULL) return;`