#pragma region template #pragma GCC optimize("Ofast") #include using namespace std; using ll=long long; using ld=long double; using vi=vector; using vll=vector; using pi=pair; using pll=pair; #define overload2(a,b,c,...) c #define overload3(a,b,c,d,...) d #define overload4(a,b,c,d,e,...) e #define overload5(a,b,c,d,e,f,...) f #define TYPE1(T) template #define TYPE2(T,U) template #define TYPE(...) overload2(__VA_ARGS__,TYPE2,TYPE1)(__VA_ARGS__) #define TYPES1(T) template #define TYPES2(H,T) template #define TYPES(...) overload2(__VA_ARGS__,TYPES2,TYPES1)(__VA_ARGS__) #define REP4(i,s,n,d) for(int i=(s);i<(n);i+=(d)) #define REP3(i,s,n) REP4(i,s,n,1) #define REP2(i,n) REP3(i,0,n) #define REP1(n) REP2(tomato,n) #define REP(...) overload4(__VA_ARGS__,REP4,REP3,REP2,REP1)(__VA_ARGS__) #define RREP4(i,n,s,d) for(int i=(n)-1;i>=(s);i-=(d)) #define RREP3(i,n,s) RREP4(i,n,s,1) #define RREP2(i,n) RREP3(i,n,0) #define RREP1(n) RREP2(tomato,n) #define RREP(...) overload4(__VA_ARGS__,RREP4,RREP3,RREP2,RREP1)(__VA_ARGS__) #define FOR4(a,b,c,d,v) for(auto [a,b,c,d]:v) #define FOR3(a,b,c,v) for(auto [a,b,c]:v) #define FOR2(a,b,v) for(auto [a,b]:v) #define FOR1(a,v) for(auto a:v) #define FOR(...) overload5(__VA_ARGS__,FOR4,FOR3,FOR2,FOR1)(__VA_ARGS__) #define AFOR4(a,b,c,d,v) for(auto&[a,b,c,d]:v) #define AFOR3(a,b,c,v) for(auto&[a,b,c]:v) #define AFOR2(a,b,v) for(auto&[a,b]:v) #define AFOR1(a,v) for(auto&a:v) #define AFOR(...) overload5(__VA_ARGS__,AFOR4,AFOR3,AFOR2,AFOR1)(__VA_ARGS__) #define CFOR4(a,b,c,d,v) for(const auto&[a,b,c,d]:v) #define CFOR3(a,b,c,v) for(const auto&[a,b,c]:v) #define CFOR2(a,b,v) for(const auto&[a,b]:v) #define CFOR1(a,v) for(const auto&a:v) #define CFOR(...) overload5(__VA_ARGS__,CFOR4,CFOR3,CFOR2,CFOR1)(__VA_ARGS__) #define PFOR(v) for(bool f=true; (f ? exchange(f,false) : next_permutation(v));) #define ALL(v) v.begin(),v.end() #define RALL(v) v.rbegin(),v.rend() #define SORT(v) sort(ALL(v)) #define RSORT(v) sort(RALL(v)) #define REVERSE(v) reverse(ALL(v)) #define UNIQUE(v) SORT(v),v.erase(unique(ALL(v)),v.end()) #define SZ(v) int(v.size()) TYPES(T) void input(T&... a){ (cin>>...>>a); } #define DECLARE(T,...) T __VA_ARGS__;input(__VA_ARGS__); #define INT(...) DECLARE(int,__VA_ARGS__) #define STR(...) DECLARE(string,__VA_ARGS__) #define LL(...) DECLARE(long long,__VA_ARGS__) #define CHR(...) DECLARE(char,__VA_ARGS__) #define DBL(...) DECLARE(double,__VA_ARGS__) #define VI(n,v) vi v(n);cin>>v; #define VLL(n,v) vll v(n);cin>>v; #define VS(n,s) vector s(n);cin>>s; TYPE(T) istream&operator>>(istream&is,vector&v){ for(auto&a:v)cin>>a; return is; } TYPE(T) ostream&operator<<(ostream&os,const vector&v){ if(&os==&cerr)os<<"["; REP(i,v.size()){ os<>(istream&is,pair&p){ cin>>p.first>>p.second; return is; } #ifdef __DEBUG #include #else #define debug(...) void(0) #endif void print(){ cout << '\n'; } TYPES(T,Ts) void print(const T& a,const Ts&... b){ cout<; TYPE(T) using pqg=priority_queue,greater>; TYPE(T) T pick(queue& que){assert(que.size()); T a=que.front();que.pop();return a;} TYPE(T) T pick(pq& que){assert(que.size()); T a=que.top();que.pop();return a;} TYPE(T) T pick(pqg& que){assert(que.size()); T a=que.top();que.pop();return a;} TYPE(T) T pick(stack& sta){assert(sta.size()); T a=sta.top();sta.pop();return a;} TYPE(T) void clear(T&v){ v=decltype(v)(); } string YES(bool f=true){return (f?"YES":"NO");} string Yes(bool f=true){return (f?"Yes":"No");} string yes(bool f=true){return (f?"yes":"no");} constexpr int INF=1e9+7; constexpr ll LINF=ll(1e18)+7; constexpr ld EPS=1e-10; vi iota(int n){vi a(n);iota(ALL(a),0);return a;} TYPE(T) vector> query_sort(const vector&v){ vector> res(v.size()); REP(i,v.size())res[i]={v[i],i}; SORT(res); return res; } TYPE(T) void add(vector&v,T a=1){ AFOR(p,v)p+=a; } TYPE(T) T rev(T a){ REVERSE(a);return a; } TYPE(T) void fin(T a){cout<b&&(a=b,true));} TYPES(T,Ns) auto make_vector(T x,int n,Ns ...ns){ if constexpr(sizeof...(ns)==0)return vector(n,x); else return vector(n,make_vector(x,ns...)); } bool in(const ll S,const int a){return (S>>a)&1;} int popcount(const ll S){return __builtin_popcountll(S);} int digit(char c){ return (c>='0' and c<='9' ? c-'0' : -1);} ll sqrtll(ll a){ for(ll b=sqrt(a);b*b<=a;b++)if(b*b==a)return b; for(ll b=sqrt(a);b>=0 and b*b>=a;b--)if(b*b==a)return b; return -1; } #pragma endregion template struct Modint61{ using ll=long long; static constexpr ll MOD=(1LL<<61)-1; ll v; Modint61(const ll x=0):v(x){ if(v<0||v>=MOD){ v%=MOD; if(v<0)v+=MOD; } } static Modint61 raw(ll v){ Modint61 x; x.v=v; return x; } private: template static constexpr pair divide(const ll&a){ return {a>>d, a&((1LL<>=1; } return res; } Modint61 inv(){ return pow(MOD-2); } Modint61& operator+=(Modint61 a){v+=a.v;if(v>=MOD)v-=MOD;return *this;} Modint61& operator-=(Modint61 a){v+=MOD-a.v;if(v>=MOD)v-=MOD;return *this;} Modint61& operator*=(Modint61 a){ const auto [vu,vd]=divide<31>(v); const auto [au,ad]=divide<31>(a.v); ll x = vd*au + vu*ad; const auto [xu,xd]=divide<30>(x); v = vu*au*2 + xu + (xd<<31) + vd*ad; if(v>=MOD){ const auto [vu2,vd2]=divide<61>(v); v=vu2+vd2; } if(v>=MOD)v-=MOD; return *this; } Modint61& operator/=(Modint61 a){ return (*this)*=a.inv(); } Modint61 operator+(Modint61 a) const{return Modint61(v)+=a;} Modint61 operator-(Modint61 a) const{return Modint61(v)-=a;} Modint61 operator*(Modint61 a) const{return Modint61(v)*=a;} Modint61 operator/(Modint61 a) const{return Modint61(v)/=a;} Modint61 operator+() const{return *this;} Modint61 operator-() const{return v?Modint61(MOD-v):Modint61(v);} bool operator==(const Modint61 a)const{return v==a.v;} bool operator!=(const Modint61 a)const{return v!=a.v;} bool operator<(const Modint61 a)const{return v struct ForString{ static constexpr char change(char c){ return c-MARGIN; } static constexpr char restore(char a){ return a+MARGIN; } static vector change(const string&s){ vector v(s.size()); for(int i=0;i&v){ string s(v.size(),'#'); for(int i=0;i change(const string&s){ vector v(s.size()); for(int i=0;i&v){ string s(v.size(),'#'); for(int i=0;i; using FSa=ForString<'a'>; using FS0=ForString<'0'>; #ifdef STR #define STRA(s) STR(s##tomato);auto s=FSA::change(s##tomato); #define STRa(s) STR(s##tomato);auto s=FSa::change(s##tomato); #define STR0(s) STR(s##tomato);auto s=FS0::change(s##tomato); #endif random_device rollonghash_rnd; mt19937 rollonghash_mt(rollonghash_rnd()); template class RollingHash{ using ll=long long; static constexpr ll mod = (1LL<<61)-1; using T=ll; inline static const MINT base=MINT::raw(rollonghash_mt()%(mod-2)+2); int n; vector hash,power; public: RollingHash(const vector&v):n(v.size()),hash(n+1,0),power(n+1,1){ for(int i=0;i&v){ MINT res=0; for(const char&c:v)res=nxt_hash(res,c); return res.v; } }; RollingHash rh; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); INT(n); set se; REP(i,n){ STRa(s); cout<