#Leetcode# 114. Flatten Binary Tree to Linked List
发布时间:2020-12-14 04:26:35 所属栏目:大数据 来源:网络整理
导读:https://leetcode.com/problems/flatten-binary-tree-to-linked-list/ ? Given a binary tree,flatten it to a linked list in-place. For example,given the following tree: 1 / 2 5 / 3 4 6 The flattened tree should look like: 1 2 3 4 5 6 代码: /
https://leetcode.com/problems/flatten-binary-tree-to-linked-list/ ? Given a binary tree,flatten it to a linked list in-place. For example,given the following tree: 1 / 2 5 / 3 4 6 The flattened tree should look like: 1 2 3 4 5 6 代码: /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x),left(NULL),right(NULL) {} * }; */ class Solution { public: void flatten(TreeNode* root) { if(!root) return; flatten(root -> left); flatten(root -> right); TreeNode* R = root -> right; root -> right = root -> left; root -> left = NULL; TreeNode* cur = root; while(cur -> right) cur = cur -> right; cur -> right = R; } }; 好像一个世纪那么久没写 LC 了?? (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |