algorithm/hello-algo
1
0
Fork 0
mirror of https://github.com/krahets/hello-algo.git synced 2025-11-02 12:58:42 +08:00
Code Issues Packages Projects Releases Wiki Activity

Modify the problem of preorder_traversal_iii

Browse Source
This commit is contained in:
krahets
2023-07-19 16:37:12 +08:00
parent 4e13755023
commit c54536d1a1
10 changed files with 15 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
codes/cpp/chapter_backtracking/preorder_traversal_iii_compact.cpp
View File

@ -10,7 +10,7 @@ vector<TreeNode *> path;
vector<vector<TreeNode *>> res;
/* 前序遍历：例题三 */
static void preOrder(TreeNode *root) {
void preOrder(TreeNode *root) {
// 剪枝
if (root == nullptr || root->val == 3) {
return;
@ -20,6 +20,7 @@ static void preOrder(TreeNode *root) {
if (root->val == 7) {
// 记录解
res.push_back(path);
return;
}
preOrder(root->left);
preOrder(root->right);