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全部文章（共9篇）

题解 | #两个链表的第一个公共结点#

/* struct ListNode { int val; struct ListNode *next; ListNode(int x) : val(x), next(NULL) { } };*/ #include <cstdlib> class Solution { pu...

2024-08-14

1 99

题解 | #链表中倒数最后k个结点#

/** * struct ListNode { * int val; * struct ListNode *next; * ListNode(int x) : val(x), next(nullptr) {} * }; */ class Solution { public: /*...

2024-08-14

1 105

题解 | #链表中环的入口结点#

/* struct ListNode { int val; struct ListNode *next; ListNode(int x) : val(x), next(NULL) { } }; */ class Solution { public: ...

2024-08-14

1 89

题解 | #二叉树的最大深度#

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

2024-08-14

1 90

题解 | #二叉树的后序遍历#

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

2024-08-14

1 108

题解 | #二叉树的中序遍历#

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

2024-08-14

4 157

题解 | #二叉树的前序遍历#

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

2024-08-14

4 124

题解 | #判断链表中是否有环#

/** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} ...

2024-08-14

4 117

题解 | #合并两个排序的链表#

/** * struct ListNode { * int val; * struct ListNode *next; * ListNode(int x) : val(x), next(nullptr) {} * }; */ class Solution { public: /*...

2024-08-02

6 132