#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; using VT = string; struct RollingHash { static const ll mo0=1000000021,mo1=1000000009; static ll mul0,mul1; static const ll add0=1000010007, add1=1003333331; static vector pmo[2]; VT s; int l; vector hash_[2]; void init(VT s) { this->s=s; l=s.size(); int i,j; hash_[0]=hash_[1]=vector(1,0); if(!mul0) mul0=10009+(((ll)&mul0+time(NULL))>>5)%1259,mul1=10007+(time(NULL)+((ll)&mul1)>>5)%2257; if(pmo[0].empty()) pmo[0].push_back(1),pmo[1].push_back(1); FOR(i,l) hash_[0].push_back((hash_[0].back()*mul0+add0+s[i])%mo0); FOR(i,l) hash_[1].push_back((hash_[1].back()*mul1+add1+s[i])%mo1); } pair hash(int l,int r) { // s[l..r] if(l>r) return make_pair(0,0); while(pmo[0].size() hash(VT s) { init(s); return hash(0,s.size()-1); } static pair concat(pair L,pair R,int RL) { // hash(L+R) RL=len-of-R while(pmo[0].size() RollingHash::pmo[2]; ll RollingHash::mul0,RollingHash::mul1; set> H[1202020]; RollingHash rh; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(x,N) { cin>>s; rh.init(s); auto h=rh.hash(0,s.size()-1); if(H[s.size()].count(h)) { cout<<"Yes"<