摘要: 二叉树先序遍历排序之后再放入右子树即可 class Solution { public: void flatten(TreeNode* root) { vector<TreeNode*> l; preorderTraversal(root, l); int n = l.size(); for (in 阅读全文
posted @ 2021-04-09 19:46 章大佬 阅读(30) 评论(0) 推荐(0)