#include #include #include #include #include #include #include using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() /*-------------------------------------------------*/ template struct Trie { struct Node { char c; int nx[char_sz]; vector tails; Node(char c) : c(c) { memset(nx, -1, sizeof(nx)); } }; vector nodes; Trie() { nodes.emplace_back('$'); } void add(const string &str, int id = -1, int pos = 0) { for (char c : str) { int now = convert(c); if (nodes[pos].nx[now] == -1) { int nx_pos = nodes.size(); nodes[pos].nx[now] = nx_pos; nodes.emplace_back(c); pos = nx_pos; } else { pos = nodes[pos].nx[now]; } } nodes[pos].tails.emplace_back(id); } int find(const string &t, int pos = 0) { for (char c : t) { int now = convert(c); if (nodes[pos].nx[now] == -1) return -1; pos = nodes[pos].nx[now]; } return pos; } int convert(char c) { return c - 'A'; } }; template struct AhoCorasick : Trie { vector cnt; void build() { auto &vertices = this->nodes; int n = vertices.size(); cnt.resize(n); REP(i, n) { sort(ALL(vertices[i].tails)); cnt[i] = vertices[i].tails.size(); } queue que; REP(i, char_sz) { if (vertices[0].nx[i] == -1) { vertices[0].nx[i] = 0; } else { vertices[vertices[0].nx[i]].nx[char_sz] = 0; que.emplace(vertices[0].nx[i]); } } while (!que.empty()) { auto node = vertices[que.front()]; cnt[que.front()] += cnt[node.nx[char_sz]]; que.pop(); REP(i, char_sz) if (node.nx[i] != -1) { int on_failure = node.nx[char_sz]; while (vertices[on_failure].nx[i] == -1) on_failure = vertices[on_failure].nx[char_sz]; vertices[node.nx[i]].nx[char_sz] = vertices[on_failure].nx[i]; auto &ver = vertices[node.nx[i]].tails; vector tmp; set_union(ALL(ver), ALL(vertices[vertices[on_failure].nx[i]].tails), back_inserter(tmp)); ver.resize(tmp.size()); copy(ALL(tmp), ver.begin()); que.emplace(node.nx[i]); } } } int move(char c, int pos) { int now = this->convert(c); while (this->nodes[pos].nx[now] == -1) pos = this->nodes[pos].nx[char_sz]; return pos = this->nodes[pos].nx[now]; } // map int match(const string &t, int pos = 0) { int total = 0; // map mp; for (char c : t) { pos = move(c, pos); total += this->nodes[pos].tails.size(); // for (int e : this->nodes[pos].tails) ++mp[e]; } return total; // return mp; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); // freopen("input.txt", "r", stdin); string s; cin >> s; AhoCorasick<> aho; int m; cin >> m; REP(i, m) { string p; cin >> p; aho.add(p, i); } aho.build(); cout << aho.match(s) << '\n'; return 0; }