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题解 | #判断是不是完全二叉树#

* struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} * ...

C++ 二叉树

2022-03-06

0 516

题解 | #判断是不是二叉搜索树#

* struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} * ...

C++ 二叉树

2022-03-06

0 379

题解 | #二叉树的镜像#

* struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} * ...

C++ 二叉树

2022-03-06

0 322

题解 | #对称的二叉树#

struct TreeNode { int val; struct TreeNode *left; struct TreeNode *right; TreeNode(int x) : val(x), left(NULL), right(NULL...

C++ 二叉树

2022-03-06

0 317

题解 | #二叉树中和为某一值的路径(一)#

* struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * }; */ class Solution { public: /** * * @param...

C++ 二叉树

2022-03-06

0 263