1 #include<cstdio> 2 #include<cstring> 3 #include<queue> 4 #define MAXN 1000000 5 #define MAXM 26 6 using namespace std; 7 char str[MAXN]; 8 int size, ans; 9 struct node { 10 int fail, cnt, next[MAXM]; 11 bool vis; 12 void Init() { 13 fail = cnt = 0; 14 vis = false; 15 memset(next, 0, sizeof(next)); 16 } 17 }; 18 node tree[MAXN]; 19 inline int GET(char ch) { 20 return ch - 'a'; 21 } 22 void Insert(char *s) { 23 int now, t; 24 for (now = 0; *s; s++) { 25 t = GET(*s); 26 if (!tree[now].next[t]) { 27 tree[++size].Init(); 28 tree[now].next[t] = size; 29 } 30 now = tree[now].next[t]; 31 } 32 tree[now].cnt++; 33 } 34 void BFS() { 35 int now, i, temp; 36 queue<int> q; 37 q.push(0); 38 while (!q.empty()) { 39 now = q.front(); 40 q.pop(); 41 for (i = 0; i < MAXM; i++) { 42 if (tree[now].next[i]) { 43 temp = tree[now].next[i]; 44 if (now) 45 tree[temp].fail = tree[tree[now].fail].next[i]; 46 q.push(temp); 47 } else 48 tree[now].next[i] = tree[tree[now].fail].next[i]; 49 } 50 } 51 } 52 void Match(char *s) { 53 int now, t, temp; 54 for (now = 0; *s; s++) { 55 t = GET(*s); 56 now = tree[now].next[t]; 57 for (temp = now; temp && !tree[temp].vis; temp = tree[temp].fail) { 58 ans += tree[temp].cnt; 59 tree[temp].vis = true; 60 } 61 } 62 } 63 int main() { 64 int c, n; 65 scanf("%d", &c); 66 while (c--) { 67 scanf("%d", &n); 68 tree[0].Init(); 69 for (size = ans = 0; n--;) { 70 scanf(" %s", str); 71 Insert(str); 72 } 73 BFS(); 74 scanf(" %s", str); 75 Match(str); 76 printf("%d\n", ans); 77 } 78 return 0; 79 }
