#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 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; 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;} 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) 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 #include #include using namespace atcoder; using mint=modint998244353; namespace atcoder{ ostream& operator<<(ostream &os,mint a){os<>(istream &is,mint &a){ long long b;is>>b;a=b; return is; } } #define REP_(i,n) for(int i=0;i<(n);i++) template struct FormalPowerSeries:vector{ using FPS=FormalPowerSeries; using vector::resize; using vector::size; using vector::at; using vector::assign; using vector::vector; using vector::begin; using vector::end; using vector::back; using vector::pop_back; using value_type=T; void strict(int n){ if(size()>n)resize(n); } void shrink(){ while(size() and back()==0)pop_back(); } FormalPowerSeries(const vector&f){ int n=min(MX,int(f.size())); resize(n); REP_(i,n)at(i)=f[i]; shrink(); } static FPS unit(){ return {1}; } static FPS x(){ return {0,1}; } #pragma region operator FPS operator-()const{ FPS g=*this; for(T&a:g)a=-a; return g; } FPS &operator+=(const FPS&g){ if(size()=MX)return *this=FPS(0); resize(min(MX,int(size())+d)); for(int i=int(size())-1-d;i>=0;i--) at(i+d)=at(i); for(int i=d-1;i>=0;i--)at(i)=0; return *this; } FPS operator<<(const int d)const{ return FPS(*this)<<=d; } FPS&operator>>=(const int d){ if(d>=size())return *this=FPS(0); for(int i=d;i>(const int d)const{ return FPS(*this)>>=d; } #pragma endregion operator FPS pre(int n)const{ if(size()<=n)return *this; return FPS(begin(),begin()+n); } FPS inv(int SZ=MX)const{ assert(size() and at(0)!=0); FPS res(1,at(0).inv()); for(int n=0;(1<=0); if(n==0)return unit(); if(n==1)return *this; FPS now=*this; now.shrink(); if(!now.size())return now; int d; for(d=0;d=(MX+n-1)/n)return FPS(0); now >>= d; d *= n; if(at(0)==1)return exp(n*log(now))<>=1; } return res<=size())return FPS(0); if(d==1)return FPS(1,at(l)); if(d==2)return at(l) + (l+1>1); FPS f2=rec(rec,l+(d>>1),d-(d>>1)); f2 *= g1.pow(d>>1); return f1+f2; }; FPS res = rec(rec,0,size()); FPS dfg=res, g1inv=(differential(g)>>(--z)).inv(), g2pow=FPS::unit(); T factinv=1; for(int i=1;i*m>z)*g1inv; dfg.strict(MX-m*i); (g2pow*=g2).strict(MX-m*i); factinv /= i; res += factinv * (dfg * g2pow) << (m*i); } return res; } T operator()(T a)const{ T res=0,b=1; for(int i=0;i=0;i--){ at(i)*=finv; finv *= i; } } static FPS differential(FPS f){ if(f.size()<=1)return FPS(0); REP_(i,f.size()-1)f[i]=(i+1)*f[i+1]; f.resize(f.size()-1); return f; } static FPS integral(FPS f){ if(f.size()0;i--)f[i]=f[i-1]/i; f[0]=0; return f; } static FPS log(const FPS&f){ assert(f.size() and f[0]==1); return integral(differential(f)/f); } static FPS exp(const FPS f){ if(!f.size())return unit(); assert(f[0]==0); FPS res=unit(); for(int n=0;(1<; int k; template struct GroupMultiply{ using value_type = X; static constexpr X op(const X &x, const X &y) noexcept { //return x * y; X z = x * y; for(int i=k;i class SWAG{ using X=typename Monoid::value_type; stack back_stack,front_stack; // back は後ろの各要素 front は前の累積和 X back_value; inline X front_value()const{ return front_stack.size()?front_stack.top():Monoid::unit(); } public: SWAG():back_value(Monoid::unit()){} void push_back(X x){ back_stack.push(x); Monoid::Rchop(back_value,x); } void push_front(X x){ front_stack.push(Monoid::op(x,front_value())); } void pop_front(){ if(front_stack.empty()){ if(back_stack.empty())return; while(back_stack.size()){ push_front(back_stack.top()); back_stack.pop(); } back_value=Monoid::unit(); } front_stack.pop(); } X prod(){ return Monoid::op(front_value(),back_value); } int size(){ return back_stack.size()+front_stack.size(); } }; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); INT(n,m); cin>>k; VI(n,v); SWAG> swag; REP(i,n){ debug(i); FPS f(k,0); f[0]++; f[v[i]]++; swag.push_back(f); if(swag.size()==m){ FPS g=swag.prod(); debug(g); cout<