coder_coder_coder的专栏

#include #include #include #include using namespace std; const int N=1005; const int INF=0x3ffffff; int tot=0,dp[N][N]; struct node{ int son[4],fail; bool dan; }trie[N]; void init(){ f

这题被逗死================

#include #include #include #include using namespace std; const int N=1000000+5; struct node{ int son[26],fail,sum; bool vis; }trie[N]; int tot,ans; void init(){ for(int j=0;j<=tot;j++