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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

0 286

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

0 263

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

0 256

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

0 239

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

0 308

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

0 312

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

0 221

题解 | #最长公共子序列(二)#

class Solution { public: /** * longest common subsequence * @param s1 string字符串 the string * @param s2 string字符串 the string * ...

C++

2022-02-23

0 322

题解 | #求路径#

class Solution { public: /** * * @param m int整型 * @param n int整型 * @return int整型 */ int uniquePaths(int m, int n) ...

C++

2022-02-23

0 285

题解 | #编辑距离(二)#

class Solution { public: /** * min edit cost * @param str1 string字符串 the string * @param str2 string字符串 the string * @param ic...

C++

2022-02-23

0 280