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全部文章（共23篇）

题解 | #迷宫问题# C++ 回溯

#include <iostream> #include <vector> using namespace std; void dfs(vector<vector<int>>& puzzle, int i, int j, vecto...

2023-02-12

0 342

题解 | #整数与IP地址间的转换# C++ 注意整数溢出

#include <iostream> #include <bitset> #include <sstream> using namespace std; int64_t ip_to_int(string ip) { stringstream ss(i...

2023-02-11

0 357

题解 | #字符串排序# C++桶排序

#include <iostream> #include <cctype> #include <algorithm> #include <vector> using namespace std; int main() { string in;...

2023-02-11

0 319

题解 | #密码强度等级# C++

#include <iostream> #include <cctype> using namespace std; int find_c (string str, int (*func)(int c)) { int count = 0; for (cha...

2023-02-11

0 316

题解 | #坐标移动# C++

#include <iostream> #include <vector> #include <cctype> using namespace std; void SplitString(const std::string& s, std::vector<s...

2023-02-08

0 324

题解 | #合并表记录# CPP

#include <iostream> #include <map> using namespace std; int main() { map<int, int> map_num; int n; cin >> n; ...

2023-02-08

0 191

题解 | #字符串分隔# C++

#include <iostream> using namespace std; int main() { string str; getline(cin, str); int n = str.size(); if (n % 8 < 8) { ...

2023-02-07

0 208

题解 | #字符串最后一个单词的长度# C++ 三行代码

#include <iostream> using namespace std; int main() { string str; getline(cin, str); cout << str.size() - str.find_last_of(' ...

2023-02-07

0 156

Java 递归分治法

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * } */ public class Sol...

2020-08-24

3 905

java 双指针滑动窗口

import java.util.*; public class Solution { public String ReverseSentence(String str) { if(str == null || str.trim().length() == 0){ ...

2020-08-20

0 662