This commit is contained in:
krahets 2023-04-16 16:39:59 +08:00
parent 0f3f55bf46
commit ade482858a

View file

@ -290,6 +290,7 @@ comments: true
```cpp title="preorder_find_constrained_paths.cpp"
/* 前序遍历 */
void preOrder(TreeNode *root) {
// 剪枝
if (root == nullptr || root->val == 3) {
return;
}