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#include#include #include #include #include //#include using namespace std; template inline T read(T&x) { char c; while((c=getchar())<=32)if(c==EOF)return 0; bool ok=false; if(c=='-')ok=true,c=getchar(); for(x=0; c>32; c=getchar()) x=x*10+c-'0'; if(ok)x=-x; return 1; } template inline T read_(T&x,T&y) { return read(x)&&read(y); } template inline T read__(T&x,T&y,T&z) { return read(x)&&read(y)&&read(z); } template inline void write(T x) { if(x<0)putchar('-'),x=-x; if(x<10)putchar(x+'0'); else write(x/10),putchar(x%10+'0'); } template inline void writeln(T x) { write(x); putchar('\n'); } //-------ZCC IO template------ const int maxn=1000001; const double inf=999999999; #define lson (rt<<1),L,M #define rson (rt<<1|1),M+1,R #define M ((L+R)>>1) #define For(i,t,n) for(int i=(t);i<(n);i++) typedef long long LL; typedef double DB; typedef pair P; #define bug printf("---\n"); #define mod 1000000007 int next[maxn]; char a[maxn],b[maxn]; void getnext(char*s) { int i=0,j=-1; next[0]=-1; int len=strlen(s); while(i