摘要:
```cpp include typedef long long ll; using namespace std; const int maxn=1e6+50; const ll mod=1e9+7; int a[maxn],b[maxn]; vectorG[maxn]; ll dp[maxn][2 阅读全文
摘要:
参考博客https://blog.csdn.net/u013534123/article/details/97142191 cpp include using namespace std; typedef long long ll; const int maxn=2e5+50; int S,T,Fr 阅读全文
摘要:
我是傻逼我是傻逼 cpp include using namespace std; const int maxn=4e5+50; typedef long long ll; const ll mod=998244353; int Laxt[maxn],Next[maxn],To[maxn],cnt; 阅读全文