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题解 | #最小覆盖子串#

class Solution { private: unordered_map<char, int> tar; unordered_map<char, int> src; public: /** * * @param S stri...

C++

2022-02-26

0 344

题解 | #二维数组中的查找#

class Solution { public: bool Find(int target, vector<vector<int> > array) { int m = array.size(); if(m == 0){ ...

C++

2022-02-26

0 288

题解 | #数组中的逆序对#

class Solution { private: int res = 0; int kmod = 1000000007; public: int InversePairs(vector<int> data) { int n = data.size...

C++

2022-02-26

0 291

题解 | #二分查找-II#

class Solution { public: /** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * * 如果目标值存在返回下标，否则返回 -1 * @param nums int整型vector * ...

C++

2022-02-25

0 356

题解 | #二叉搜索树的第k个节点#

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

C++

2022-02-25

0 296

题解 | #字符串变形#

class Solution { public: string trans(string s, int n) { // write code here int left = 0, right = s.length()-1; char temp;...

C++

2022-02-25

0 270

题解 | #回文数字#

class Solution { public: /** * * @param x int整型 * @return bool布尔型 */ bool isPalindrome(int x) { // write code he...

C++

2022-02-25

0 407

题解 | #最长公共前缀#

class Solution { public: /** * * @param strs string字符串vector * @return string字符串 */ string longestCommonPrefix(vector<...

C++

2022-02-25

0 307

题解 | #加起来和为目标值的组合(二)#

class Solution { private: int cur_num = 0; vector<int> cur_path; vector<vector<int>> res; public: vector<vector&l...

C++

2022-02-25

0 312

题解 | #链表的奇偶重排#

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

C++

2022-02-25

0 319