http://blog.csdn.net/niushuai666/article/details/7002823
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
struct node{
int count;
node *next[26],*fail;
void Node(){
count = 0;fail = NULL;
memset(next,NULL,sizeof(next));
}
}arr[300005],*que[500005];
char str[1000006];
int cnt = 0;
void insert(char *str){
node *p = &arr[0];
while( *str ){
int k = *str++ - 'a';
if( !p->next[k] ){
arr[++cnt].Node();
p->next[k] = &arr[cnt];
}
p = p->next[k];
}
p->count++;
} void build_AC(){
node *root = &arr[0],*tmp,*p;
int head = 0,tail = 0;
for(int i = 0; i < 26; i++){
if(!root->next[i])continue;
root->next[i]->fail = root;
que[head++] = root->next[i];
}
while( head != tail){
tmp = que[tail++];
for(int i = 0; i < 26 ; i++){
if( tmp->next[i] ){
p = tmp->fail;
while( p ){
if( p->next[i] ){
tmp->next[i]->fail = p->next[i];
break;
}
p = p->fail;
}
if(!p)tmp->next[i]->fail = root;
que[head++] = tmp->next[i];
}
}
}
}
int query(char *str){
node *root = &arr[0],*p = &arr[0];
int ans= 0;
while( *str ){
int k = *str++ - 'a';
while( !p->next[k] && p != root) p = p->fail;
p = p->next[k];
p = p ? p : root;
node *tmp = p;
while( tmp != root && tmp->count != -1){
ans += tmp->count;
tmp->count = -1;
tmp = tmp->fail;
}
}
return ans;
}
int main(){
// freopen("in.txt","r",stdin);
int t,n;
char ch[60];
scanf("%d",&t);
while( t-- ){
scanf("%d",&n);
arr[cnt = 0].Node();
while( n-- ){
scanf("%s",ch);
insert(ch);
}
build_AC();
scanf("%s",str);
printf("%d\n",query(str));
}
return 0;
}