#include using namespace std; typedef long long ll; #define P pair #define FOR(I,A,B) for(ll I = ll(A); I < ll(B); ++I) #define FORR(I,A,B) for(ll I = ll((B)-1); I >= ll(A); --I) #define TO(x,t,f) ((x)?(t):(f)) #define SORT(x) (sort(x.begin(),x.end())) // 0 2 2 3 4 5 8 9 #define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin()) //xi>=v x is sorted #define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin()) //xi>v x is sorted #define NUM(x,v) (POSU(x,v)-POSL(x,v)) //x is sorted #define REV(x) (reverse(x.begin(),x.end())) //reverse ll gcd(ll a,ll b){if(a%b==0)return b;return gcd(b,a%b);} ll lcm(ll a,ll b){ll c=gcd(a,b);return ((a/c)*(b/c)*c);} #define NEXTP(x) next_permutation(x.begin(),x.end()) const ll INF=ll(1e18)+ll(7); const ll MOD=1000000007LL; #define out(a) cout< rolling_hash_search(string s, string t){ vector index_list; ll SL = s.size(); ll TL = t.size(); // b, hは互いに素 (gcd == 1) ll b = 1e6 + 7; ll h = 1e9 + 7; // 蟻本でいう、bのm乗 ll a = 1; FOR(i, 0, TL){ a *= b; a %= h; } // 先頭のローリングハッシュ ll s_hash = 0; FOR(i, 0, TL){ s_hash = s_hash * b + s[i]; s_hash %= h; } ll t_hash = 0; FOR(i, 0, TL){ t_hash = t_hash * b + t[i]; t_hash %= h; } // sの始点を1つずつ進めながらハッシュ値をチェック FOR(i, 0, SL - TL + 1){ if(s_hash==t_hash){ index_list.push_back(i); } if(i+TL> s >> M; FOR(i,0,M){ cin >> t; ans += rolling_hash_search(s, t).size(); } cout << ans << endl; return 0; }