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题解

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NC28.最小覆盖子串

NC28.最小覆盖子串 class Solution { public: string minWindow(string S, string T) { unordered_map<char, int> WinMap; unordered_map&l...

C++ 字符串双指针

2022-03-01

0 1208

NC17.最长回文子串

NC17.最长回文子串 class Solution { public: int getLongestPalindrome(string A) { int rst = 0; int len = (int)A.length(); for (int...

C++ 字符串双指针

2022-02-28

0 1004

LeetCode 面试题 08.08. 有重复字符串的排列组合

LeetCode 面试题 08.08. 有重复字符串的排列组合解法一： class Solution { public: vector<string> permutation(const string& S) { int len = S.length()...

C++ 深度优先搜索回溯字符串记忆化搜索

2022-02-23

0 792

HJ106.字符逆序

HJ106 字符逆序 #include <iostream> #include <string> void swap(std::string& s, int i, int j) { int len = s.length(); if (i != j &...

C++ 字符串

2022-02-21

0 564

HJ33.整数与IP地址间的转换

HJ33.整数与IP地址间的转换 #include <iostream> #include <string> #include <sstream> #include <regex> #include <string.h> const in...

C++ C 字符串数学

2022-02-21

17 1322

HJ23.删除字符串中出现次数最少的字符

HJ23.删除字符串中出现次数最少的字符 #include <iostream> #include <string> #include <unordered_map> const int INF = 0x3f3f3f3f; void deal(std::str...

C++ 字符串哈希表

2022-02-20

1 914

HJ20.密码验证合格程序

HJ20.密码验证合格程序 #include <iostream> #include <string> #include <unordered_set> const std::string OK = "OK"; const std::string NG = "N...

C++ 字符串数组哈希表

2022-02-20

23 1422

HJ17.坐标移动

HJ17.坐标移动解法一： #include <string> #include <sstream> #include <iostream> #include <vector> #include <unordered_map> #incl...

C++ C 字符串哈希表字符串匹配

2022-02-20

3 1424

HJ10.字符个数统计

HJ10.字符个数统计 #include <string> #include <iostream> const int LEN = 128; int cnt_ch(std::string s) { int ch[LEN]; for (int i = 0; ...

C++ 哈希表字符串数组

2022-02-19

0 530

HJ4.字符串分隔

HJ4.字符串分隔 #include <iostream> #include <string> #include <vector> const int CONST_LEN = 8; std::vector<std::string> make_str...

C++14 字符串

2022-02-18

0 421