摘要: //前序遍历 void preorder(TreeNode *root, vector<int> &path) { if(root != NULL) { path.push_back(root->val); preorder(root->left, path); preorder(root->rig 阅读全文
posted @ 2021-12-11 15:17 你刘老表 阅读(34) 评论(0) 推荐(0)