#include using namespace std; #define Rep(i,n) for(int i=0;i<(int)(n);i++) #define For(i,n1,n2) for(int i=(int)(n1);i<(int)(n2);i++) #define REP(i,n) for(ll i=0;i<(ll)(n);i++) #define RREP(i,n) for(ll i=((ll)(n)-1);i>=0;i--) #define FOR(i,n1,n2) for(ll i=(ll)(n1);i<(ll)(n2);i++) #define RFOR(i,n1,n2) for(ll i=((ll)(n1)-1);i>=(ll)(n2);i--) #define all(a) (a).begin(),(a).end() #define SORT(a) sort((a).begin(),(a).end()) #define oorret 0 #define oor(x) [&](){try{x;} catch(const out_of_range& oor){return oorret;} return x;}() typedef long long ll; typedef unsigned long long ull; typedef pair P; template inline bool chmin(T1& a, T2 b) { if (a > b) { a = b; return 1; }return 0; } template inline bool chmax(T1& a, T2 b) { if (a < b) { a = b; return 1; }return 0; } templatestruct is_vector : std::false_type {}; templatestruct is_vector> : std::true_type {}; template inline ostream& operator << (ostream& out, const vector& v) { if (v.empty())return out; constexpr bool is_vector_v = is_vector::value; if (is_vector_v)for (auto itr = v.begin(); itr != v.end();)out << (*itr), out << ((++itr != v.end()) ? "\n" : ""); else for (auto itr = v.begin(); itr != v.end();)out << (*itr), out << ((++itr != v.end()) ? " " : ""); return out; } inline void put() {} template inline void put(const T& first) { std::cout << first; printf("\n"); } template inline void put(const T& first, const N& ... rest) { std::cout << first; printf(" "); put(rest...); } inline void putn() {} template inline void putn(const T& first, const N& ... rest) { std::cout << first; printf("\n"); putn(rest...); } template class RollingHash { private: const T mod, base; public: RollingHash(const T& mod, const T& base) :mod(mod), base(base) {} bool contain(const string& s, const string& t) {//sのsubstringにtが存在するか int sl = s.size(), tl = t.size(); T sh = 0, th = 0, p = 1; if (sl < tl)return false; for (int i = 0; i < tl; ++i) { sh = sh * base + s[i]; if (sh > mod)sh %= mod; th = th * base + t[i]; if (th > mod)th %= mod; p *= base; if (p > mod)p %= mod; } if (th == sh)return true; for (int i = tl; i < sl; ++i) { sh = sh * base + s[i]; if (sh < p * s[i - tl]) { sh += mod * s[i - tl]; } sh -= p * s[i - tl]; if (th > mod)sh %= mod; if (th == sh)return true; } return false; } vector find(const string& s, const string& t) {//sのsubstringがtである先頭のindexを返す int sl = s.size(), tl = t.size(); T sh = 0, th = 0, p = 1; vector res; if (sl < tl)return res; for (int i = 0; i < tl; ++i) { sh = sh * base + s[i]; if (sh > mod)sh %= mod; th = th * base + t[i]; if (th > mod)th %= mod; p *= base; if (p > mod)p %= mod; } if (th == sh)res.push_back(0); for (int i = tl; i < sl; ++i) { sh = sh * base + s[i]; if (sh < p * s[i - tl]) { sh += mod * s[i - tl]; } sh -= p * s[i - tl]; if (sh > mod)sh %= mod; if (th == sh)res.push_back(i - tl + 1); } return res; } }; #include int main() { namespace mp = boost::multiprecision; using u128 = mp::uint128_t; int tmax = 252; random_device rnd; mt19937 mt(rnd()); const u128 mod = (u128)1e18 + 9; u128 base = (u128)mt() % mod; if (base < tmax)base += tmax; using RH = RollingHash; RH r(mod, base); string s; int m; cin >> s >> m; ll res = 0; REP(i, m) { string c; cin >> c; res += r.find(s, c).size(); } put(res); return 0; }