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题解 | #括号生成#

class Solution { private: string path = ""; vector<string> res; vector<char> src = {'(', ')'}; public: /** * * ...

C++

2022-02-25

0 295

题解 | #数字字符串转化成IP地址#

用回溯算法来解决这个问题，需要注意的是一些细节，定义出什么时候认为是正确的答案； class Solution { private: string path = ""; vector<string> res; public: /** * * ...

C++

2022-02-25

0 304

题解 | #滑动窗口的最大值#

class Solution { public: vector<int> maxInWindows(const vector<int>& num, unsigned int size) { if(num.size() < size || ...

C++

2022-02-25

0 245

题解 | #缺失的第一个正整数#

参考：https://leetcode-cn.com/problems/first-missing-positive/solution/que-shi-de-di-yi-ge-zheng-shu-by-leetcode-solution/ class Solution { public: /...

C++

2022-02-25

0 287

题解 | #矩阵元素查找#

class Solution { public: vector<int> findElement(vector<vector<int> > mat, int n, int m, int x) { // write code here ...

C++

2022-02-25

0 268

题解 | #有重复项数字的全排列#

class Solution { private: vector<vector<int>> res; vector<int> path; public: vector<vector<int> > permuteUni...

C++

2022-02-25

0 259

题解 | #删除有序链表中重复的元素-I#

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

C++

2022-02-25

0 246

题解 | #判断一棵二叉树是否为搜索二叉树和完全二叉树#

/** * struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * }; */ class Solution { private: vector<int> i...

C++

2022-02-25

0 311

题解 | #在两个长度相等的排序数组中找到上中位数#

class Solution { public: /** * find median in two sorted array * @param arr1 int整型vector the array1 * @param arr2 int整型vector the a...

C++

2022-02-25

0 315

题解 | #删除有序链表中重复的元素-II#

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

C++

2022-02-24

0 225