【字符串】序列自动机
#include<bits/stdc++.h>#define ll long long#define rep(i,a,n) for(int i=a;i<=n;i++)#define per(i,n,a) for(int i=n;i>=a;i--)#define endl '\n'#define mem(a) memset(a,0,sizeof(a))#defin...
