摘要: 迭代法遍历二叉树 先序遍历 vector<int> preorderTraversal(TreeNode* root, vector<int>& res;) { if (!root) return res; stack<TreeNode*> st; TreeNode* node = root; wh 阅读全文
posted @ 2022-05-27 21:43 吴吴吴吴 阅读(31) 评论(0) 推荐(0)