qq_40467670的博客

题目链接：https://www.acwing.com/problem/content/description/850/题目如下：#include <iostream>#include <algorithm>#include <cstring>//memset#include <queue>using namespace std;const int N=100010;int n,m;vector<int> g[N];//存

题目链接：https://www.acwing.com/problem/content/description/847/题目如下：#include <iostream>#include <algorithm>#include <queue>#include <unordered_map>using namespace std;int bfs(string start){ string end="12345678x";

题目链接：https://www.acwing.com/problem/content/description/846/题目如下：#include <iostream>#include <queue>#include <vector>#include <cstring>using namespace std;const int N=1000;typedef pair<int,int> PII;int n,m;int a[N

题目链接：https://www.acwing.com/problem/content/description/845/题目如下：#include <iostream>#include <vector>using namespace std;const int N=100010;int n;vector<vector<string>> result;void backtracking(int n,int startRow,vector<

题目链接：https://www.acwing.com/problem/content/844/题目如下：#include <iostream>#include <vector>using namespace std;const int N=10;int n;int path[N];void backtracking(int index,vector<bool>& used);int main(){ cin>>n;