#include #include #ifndef IO_HPP #define IO_HPP #include #include #include #include #include #include #include #include #include using namespace std; templateistream &operator>>(istream&,pair&); templateistream &operator>>(istream&,tuple&a); templateistream &operator>>(istream&is,vector&a); templateistream &operator>>(istream&is,array&a); template istream &operator>>(istream&is,pair&a){ is>>a.first>>a.second; return is; } template void read_tuple(istream&is,tuple&a){ if constexpr(pos>::value){ is>>get(a); read_tuple(is,a); } } template istream &operator>>(istream&is,tuple&a){ read_tuple<0>(is,a); return is; } template istream &operator>>(istream&is,vector&a){ for(T&x:a)is>>x; return is; } template istream &operator>>(istream&is,array&a){ for(T&x:a)is>>x; return is; } templateostream &operator<<(ostream&os,const pair&); templateostream &operator<<(ostream&os,const tuple&); templateostream &operator<<(ostream&os,const vector&); templateostream &operator<<(ostream&os,priority_queue); templateostream &operator<<(ostream&os,queue); templateostream &operator<<(ostream&os,deque); templateostream &operator<<(ostream&os,stack); templateostream &operator<<(ostream&os,const array&); templateostream &operator<<(ostream&os,const map&); templateostream &operator<<(ostream&os,const unordered_map&); templateostream &operator<<(ostream&os,const set&); templateostream &operator<<(ostream&os,const multiset&); templateostream &operator<<(ostream&os,const unordered_set&); template ostream &operator<<(ostream&os,const pair&a){ os< void write_tuple(ostream&os,const tuple&a){ if constexpr(pos>::value){ if constexpr(pos>0)os<<' '; os<(a); write_tuple(os,a); } } template ostream &operator<<(ostream&os,const tuple&a){ write_tuple<0>(os,a); return os; } template ostream &operator<<(ostream&os,const vector&a){ os<<'{'; for(int i=0;i<(int)a.size();i++){ os< ostream &operator<<(ostream&os,priority_queuea){ os<<'{'; if(!a.empty()){ os< ostream &operator<<(ostream&os,queuea){ os<<'{'; if(!a.empty()){ os< ostream &operator<<(ostream&os,dequea){ os<<'{'; if(!a.empty()){ os< ostream &operator<<(ostream&os,stacka){ os<<'{'; if(!a.empty()){ os< ostream &operator<<(ostream&os,const array&a){ os<<'{'; for(int i=0;i<(int)a.size();i++){ os< ostream &operator<<(ostream&os,const map&a){ if(a.empty()){ os<<"{}"; return os; } auto itr=a.begin(); os<<"{["<first<<","<second<<']'; while(++itr!=a.end())os<<",["<first<<','<second<<']'; os<<'}'; return os; } template ostream &operator<<(ostream&os,const unordered_map&a){ if(a.empty()){ os<<"{}"; return os; } auto itr=a.begin(); os<<"{["<first<<","<second<<']'; while(++itr!=a.end())os<<",["<first<<','<second<<']'; os<<'}'; return os; } template ostream &operator<<(ostream&os,const set&a){ if(a.empty()){ os<<"{}"; return os; } auto itr=a.begin(); os<<'{'<<*itr; while(++itr!=a.end())os<<','<<*itr; os<<'}'; return os; } template ostream &operator<<(ostream&os,const multiset&a){ if(a.empty()){ os<<"{}"; return os; } auto itr=a.begin(); os<<'{'<<*itr; while(++itr!=a.end())os<<','<<*itr; os<<'}'; return os; } template ostream &operator<<(ostream&os,const unordered_set&a){ if(a.empty()){ os<<"{}"; return os; } auto itr=a.begin(); os<<'{'<<*itr; while(++itr!=a.end())os<<','<<*itr; os<<'}'; return os; } #endif using namespace std; using ll=long long; using ull=unsigned long long; using P=pair; templateusing minque=priority_queue,greater>; templatebool chmax(T &a,const T &b){return (abool chmin(T &a,const T &b){return (a>b?(a=b,true):false);} templatevoid operator++(pair&a,int){a.first++,a.second++;} templatevoid operator--(pair&a,int){a.first--,a.second--;} templatevoid operator++(vector&a,int){for(auto &i:a)i++;} templatevoid operator--(vector&a,int){for(auto &i:a)i--;} using vref=typename vector::reference; vref operator|=(vref a,bool b){a=a|b;return a;} vref operator&=(vref a,bool b){a=a&b;return a;} vref operator^=(vref a,bool b){a=a^b;return a;} #define overload3(_1,_2,_3,name,...) name #define rep1(i,n) for(int i=0;i<(int)(n);i++) #define rep2(i,l,r) for(int i=(int)(l);i<(int)(r);i++) #define rep(...) overload3(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define reps(i,l,r) rep2(i,l,r) #define all(x) x.begin(),x.end() #define pcnt(x) __builtin_popcountll(x) #define fin(x) return cout<<(x)<<'\n',static_cast(0) #define yn(x) cout<<((x)?"Yes\n":"No\n") #define uniq(x) sort(all(x)),x.erase(unique(all(x)),x.end()) template inline int fkey(vector&z,T key){return lower_bound(z.begin(),z.end(),key)-z.begin();} ll myceil(ll a,ll b){return (a+b-1)/b;} template auto vec(const int (&d)[n],const T &init=T()){ if constexpr (id(d,init)); else return init; } #ifdef LOCAL #include #define SWITCH(a,b) (a) #else #define debug(...) static_cast(0) #define debugg(...) static_cast(0) #define SWITCH(a,b) (b) #endif struct Timer{ clock_t start; Timer(){ start=clock(); ios::sync_with_stdio(false); cin.tie(nullptr); cout<>testcase; for(int i=0;i #include #include struct BarrettReduction{ private: using i64=long long; using u64=unsigned long long; using u32=unsigned int; using u128=__uint128_t; u32 m; u64 im; public: BarrettReduction():m(0),im(0){} BarrettReduction(u32 n):m(n),im(u64(-1)/n+1){} inline i64 quo(u64 x)const{ if(m==1)return x; u64 y=u64((u128(x)*im)>>64); u32 r=x-y*m; return m<=r?y-1:y; } inline u32 rem(u64 x)const{ if(m==1)return 0; u64 y=u64((u128(x)*im)>>64); u32 r=x-y*m; return m<=r?r+m:r; } inline std::pairquo_rem(u64 x)const{ if(m==0)return std::make_pair(x,0); u64 y=u64((u128(x)*im)>>64); u32 r=x-y*m; return m<=r?std::make_pair(y-1,r+m):std::make_pair(y,r); } inline u32 pow(u32 a,u64 p)const{ u32 res=m!=1; while(p){ if(p&1)res=rem(u64(res)*a); a=rem(u64(a)*a); p>>=1; } return res; } }; constexpr std::pairext_gcd(long long a,long long b){ if(b==0)return std::make_pair(1,0); auto [x,y]=ext_gcd(b,a%b); std::swap(x,y); return std::make_pair(x,y-a/b*x); } template constexpr std::pair inv_mod(T a,T b){ a%=b; if(a<0)a+=b; if(a==0)return std::make_pair(b,0); T s=b,t=a; T m0=0,m1=1; while(t){ T u=s/t; s-=t*u; m0-=m1*u; std::swap(s,t); std::swap(m0,m1); } if(m0<0)m0+=b/s; return std::make_pair(s,m0); } template struct arbitrary_modint{ using value_type=std::make_unsigned_t; using mul_type=std::conditional_t<(std::numeric_limits::digits<=32),uint64_t,__uint128_t>; private: using mint=arbitrary_modint; value_type v; static value_type umod; static std::conditional_t<(std::numeric_limits::digits<=32),BarrettReduction,std::monostate>br; mint sqrt_impl()const{ if(this->val()<=1)return *this; if(umod%8==1){ mint b=2; while(b.pow((umod-1)/2).val()==1)b++; value_type m2=umod-1; int e=0; while(m2%2==0)m2>>=1,e++; mint x=this->pow((m2-1)/2); mint y=(*this)*x*x; x*=*this; mint z=b.pow(m2); while(y.val()!=1){ int j=0; mint t=y; while(t.val()!=1)t*=t,j++; z=z.pow((value_type(1))<<(e-j-1)); x*=z; z*=z; y*=z; e=j; } return x; } else if(umod%8==5){ mint res=this->pow((umod+3)/8); if((res*res).val()==this->val())return res; else return res*mint(2).pow((umod-1)/4); } else return this->pow((umod+1)/4); } public: arbitrary_modint():v(0){} template||std::is_same_v,std::nullptr_t> =nullptr> arbitrary_modint(U x){ x%=std::make_signed_t(umod); v=x>=0?x:x+umod; } template||std::is_same_v,std::nullptr_t> =nullptr> arbitrary_modint(U x):v(x%umod){} static void set_mod(T m){ assert(1<=m); umod=m; if constexpr(std::numeric_limits::digits<=32)br=BarrettReduction(umod); } static void read_mod(){ std::cin>>umod; if constexpr(std::numeric_limits::digits<=32)br=BarrettReduction(umod); } static T mod(){return umod;} static mint raw(T x){ mint res; res.v=x; return res; } inline T val()const{return v;} inline mint &operator+=(const mint&b){ this->v+=b.v; if(this->v>=umod)this->v-=umod; return *this; } inline mint &operator-=(const mint&b){ this->v-=b.v; if(this->v>=umod)this->v+=umod; return *this; } inline mint &operator*=(const mint&b){ mul_type v=mul_type(this->v)*mul_type(b.v); if constexpr(std::numeric_limits::digits<=32)this->v=br.rem(v); else this->v=v%umod; return *this; } inline mint &operator/=(const mint&b){return *this*=b.inv();} inline mint operator+()const{return *this;} inline mint operator-()const{return mint()-*this;} friend inline mint operator+(const mint&a,const mint&b){return mint(a)+=b;} friend inline mint operator-(const mint&a,const mint&b){return mint(a)-=b;} friend inline mint operator*(const mint&a,const mint&b){return mint(a)*=b;} friend inline mint operator/(const mint&a,const mint&b){return mint(a)/=b;} auto operator<=>(const mint&)const=default; inline mint operator++(int){ mint res=*this; this->v++; if(this->v==umod)this->v=0; return res; } inline mint operator--(int){ mint res=*this; if(this->v==0)this->v=umod; this->v--; return res; } template mint pow(U k)const{ if constexpr(std::is_signed_v){ assert(0<=k); } mint res=1,a(*this); while(k){ if(k&1)res*=a; a*=a; k>>=1; } return res; } mint inv()const{ mint res; auto [g,x]=inv_mod>(this->v,umod); assert(g==1); res.v=x; return res; } std::optionalsqrt()const{ if(this->val()<=1||this->pow((umod-1)/2)==1)return std::make_optional(this->sqrt_impl()); else return std::nullopt; } friend std::istream &operator>>(std::istream&is,mint&b){ long long a; is>>a; b=mint(a); return is; } friend std::ostream &operator<<(std::ostream&os,const mint&b){ os<typename arbitrary_modint::value_type arbitrary_modint::umod=2; templatestd::conditional_t<(std::numeric_limits::digits<=32),BarrettReduction,std::monostate>arbitrary_modint::br; template struct std::hash>{ std::size_t operator()(arbitrary_modintx)const{ return std::hash()(x.val()); } }; #include template constexpr std::enable_if_t::digits<=32,int>msb(T n){return n==0?-1:31-__builtin_clz(n);} template constexpr std::enable_if_t<(std::numeric_limits::digits>32),int>msb(T n){return n==0?-1:63-__builtin_clzll(n);} template constexpr std::enable_if_t::digits<=32,int>lsb(T n){return n==0?-1:__builtin_ctz(n);} template constexpr std::enable_if_t<(std::numeric_limits::digits>32),int>lsb(T n){return n==0?-1:__builtin_ctzll(n);} template constexpr std::enable_if_t,T>floor_pow2(T n){return n==0?0:T(1)< constexpr std::enable_if_t,T>ceil_pow2(T n){return n<=1?1:T(1)<<(msb(n-1)+1);} template constexpr T safe_div(T a,T b){return a/b-(a%b&&(a^b)<0);} template constexpr T safe_ceil(T a,T b){return a/b+(a%b&&(a^b)>0);} template T semigroup_pow(T a,U k,const Func&f){ static_assert(std::is_convertible_v>); assert(k>0); if(k<=8){ if(k==1)return a; else if(k==2)return f(a,a); else if(k==3)return f(a,f(a,a)); else if(k==4){ a=f(a,a); return f(a,a); } else if(k==5){ T a2=f(a,a); return f(a,f(a2,a2)); } else if(k==6){ a=f(a,f(a,a)); return f(a,a); } else if(k==7){ T a3=f(a,f(a,a)); return f(a,f(a3,a3)); } else{ a=f(a,a); a=f(a,a); return f(a,a); } } int m=msb(k)/3; T a2=f(a,a); T a3=f(a,a2); T a5=f(a2,a3); T a7=f(a2,a5); T res=[&]()->T { switch(k>>(m*3)&7){ case 1:return a; case 2:return a2; case 3:return a3; case 4:return f(a2,a2); case 5:return a5; case 6:return f(a3,a3); case 7:return a7; } __builtin_unreachable(); }(); while(m--){ int x=k>>(m*3)&7; if(x==4){ res=f(res,res); res=f(res,a); res=f(res,res); res=f(res,res); } else if(x==6){ res=f(res,res); res=f(res,res); res=f(res,a3); res=f(res,res); } else{ res=f(res,res); res=f(res,res); res=f(res,res); if(x==1)res=f(res,a); else if(x==2)res=f(res,a2); else if(x==3)res=f(res,a3); else if(x==5)res=f(res,a5); else if(x==7)res=f(res,a7); } } return res; } template constexpr std::enable_if_t<(std::numeric_limits::digits<=32),T>pow_mod(T a,T n,T mod){ using u64=unsigned long long; u64 res=1; while(n>0){ if(n&1)res=((u64)res*a)%mod; a=((u64)a*a)%mod; n>>=1; } return T(res); } template constexpr std::enable_if_t<(std::numeric_limits::digits>32),T>pow_mod(T a,T n,T mod){ using u128=__uint128_t; u128 res=1; while(n>0){ if(n&1)res=((u128)res*a)%mod; a=((u128)a*a)%mod; n>>=1; } return T(res); } template T crt3(int a1,int a2,int a3){ static_assert(p1(p1,p2-2,p2); static constexpr long long y=pow_mod((long long)p1*p2%p3,p3-2,p3); long long c=(a2-a1+p2)*x%p2; long long c2=a1+c*p1; c=(a3-c2%p3+p3)*y%p3; return T(c2)+T(c)*T(p1)*T(p2); } #include constexpr bool isprime_constexpr(unsigned long long n){ if(n==998244353)return true; if(n==1000000007)return true; if(n<64)return 2891462833508853932ll>>n&1; if(n%2==0)return false; unsigned long long d=n-1; int s=0; while(!(d&1))d>>=1,s++; int q=63; while(!(d>>q))q--; unsigned long long r=n; for(int i=0;i<5;i++)r*=2-r*n; auto redc=[&r,&n](__uint128_t x)->unsigned long long { x=(x+__uint128_t((unsigned long long)x*-r)*n)>>64; return x>=n?x-n:x; }; __uint128_t r2=-__uint128_t(n)%n; unsigned long long one=redc(r2); for(unsigned long long base:{2,325,9375,28178,450775,9780504,1795265022}){ if(base%n==0)continue; unsigned long long a=base=redc((base%n)*r2); for(int i=q-1;i>=0;i--){ a=redc(__uint128_t(a)*a); if(d>>i&1)a=redc(__uint128_t(a)*base); } if(a==one)continue; for(int i=1;a!=n-one;i++){ if(i>=s)return false; a=redc(__uint128_t(a)*a); } } return true; } constexpr int factorize_constexpr(unsigned long long n,unsigned long long*a){ if(n<=1)return 0; int ptr=0; while(n%2==0){ a[ptr++]=2; n/=2; } while(n>1){ if(isprime_constexpr(n)){ a[ptr++]=n; break; } unsigned long long pf=n; unsigned long long x=0,y=0; int c=1; do{ x=((__uint128_t)x*x+c)%pf; y=((__uint128_t)y*y+c)%pf; y=((__uint128_t)y*y+c)%pf; unsigned long long g=std::gcd(x>y?x-y:y-x,pf); if(g==pf){ c++; x=y=0; continue; } if(g>1)pf=g; }while(!isprime_constexpr(pf)); while(n%pf==0){ a[ptr++]=pf; n/=pf; } } return ptr; } namespace Random{ constexpr unsigned long long to_seed(const char*s){ unsigned long long h=14695981039346656037ULL; while(*s){ h^=static_cast(*s++); h*=1099511628211ULL; } return h; } constexpr unsigned long long constexpr_random_seed=(to_seed(__TIME__)*0x9e3779b97f4a7c15ULL)^to_seed(__DATE__); constexpr unsigned long long next_value(unsigned long long n){ n^=n<<13; n^=n>>7; n^=n<<17; return n; } } constexpr unsigned long long primitive_root_constexpr(unsigned long long x){ if(!isprime_constexpr(x))throw "not prime"; if(x==167772161)return 3; if(x==469762049)return 3; if(x==754974721)return 11; if(x==880803841)return 26; if(x==998244353)return 3; if(x==2)return 1; unsigned long long a[64]={}; int ptr=factorize_constexpr(x-1,a); for(unsigned long long v=Random::constexpr_random_seed;;){ unsigned long long g=v%(x-1)+1; bool ok=true; for(int i=0;i0&&a[i-1]==a[i])continue; if(pow_mod(g,(x-1)/a[i],x)==1){ ok=false; break; } } if(ok)return g; v=Random::next_value(v); } } template struct ntt_root{ static_assert(1<=m&&m<(1ull<<63)); static_assert(isprime_constexpr(m)); using value_type=std::conditional_t<((m>>31)==0),uint32_t,uint64_t>; using mul_type=std::conditional_t<((m>>31)==0),uint64_t,__uint128_t>; static constexpr int rank2=lsb(m-1); static constexpr value_type g=primitive_root_constexpr(m); std::arrayroot,invroot; std::arrayrate2,invrate2; std::arrayrate3,invrate3; constexpr ntt_root(){ root[rank2]=pow_mod(g,m>>rank2,m); invroot[rank2]=pow_mod(root[rank2],m-2,m); for(int i=rank2-1;i>=0;i--){ root[i]=(mul_type)root[i+1]*root[i+1]%m; invroot[i]=(mul_type)invroot[i+1]*invroot[i+1]%m; } value_type prod=1,invprod=1; for(int i=0;i void dft(std::vector&a){ using value_type=typename T::value_type; using mul_type=typename T::mul_type; #ifdef NTT_SIMD if constexpr(std::numeric_limits::digits<=32){ if((int)a.size()>=32){ dft_simd(a); return; } } #endif static constexpr ntt_rootr; static constexpr mul_type mod2=(mul_type)T::mod()*T::mod(); int n=a.size(); int h=lsb(n); int len=0; while(len void idft(std::vector&a){ using value_type=typename T::value_type; using mul_type=typename T::mul_type; #ifdef NTT_SIMD if constexpr(std::numeric_limits::digits<=32){ if((int)a.size()>=32){ idft_simd(a); return; } } #endif static constexpr ntt_rootr; int n=a.size(); int h=lsb(n); int len=h; while(len){ if(len==1){ int p=1<<(h-1); for(int i=0;i std::vectorntt_convolution(std::vector a,std::vector b){ int n=a.size(),m=b.size(),s=n+m-1; if(std::min(n,m)<60){ if(n==0||m==0)return {}; std::vectorret(s,0); if(nc(z); for(int i=0;i struct modint{ static_assert(1<=m&&m<(1ull<<63)); using value_type=std::conditional_t<((m>>31)==0),uint32_t,uint64_t>; using mul_type=std::conditional_t<((m>>31)==0),uint64_t,__uint128_t>; private: value_type v; static constexpr value_type umod=m; constexpr modint sqrt_impl()const{ if(this->val()<=1)return *this; if(umod%8==1){ modint b=2; while(b.pow((umod-1)/2).val()==1)b++; value_type m2=umod-1; int e=0; while(m2%2==0)m2>>=1,e++; modint x=this->pow((m2-1)/2); modint y=(*this)*x*x; x*=*this; modint z=b.pow(m2); while(y.val()!=1){ int j=0; modint t=y; while(t.val()!=1)t*=t,j++; z=z.pow((value_type(1))<<(e-j-1)); x*=z; z*=z; y*=z; e=j; } return x; } else if(umod%8==5){ modint res=this->pow((umod+3)/8); if((res*res).val()==this->val())return res; else return res*modint(2).pow((umod-1)/4); } else return this->pow((umod+1)/4); } template||std::is_same_v,std::nullptr_t> =nullptr> static constexpr value_type take_mod(U x){ if constexpr(std::numeric_limits::max()>61)+(x&umod); if(res>=umod)res-=umod; return res; } if constexpr(umod==(1ull<<61)-(1ull<<24)+1){ value_type high=x>>61,low=x&((1ull<<61)-1); mul_type t=low+(mul_type(high)<<24)-high; high=t>>61,low=t&((1ull<<61)-1); low=low+(mul_type(high)<<24)-high; if(low>=umod)low-=umod; return low; } return x%umod; } public: constexpr modint():v(0){} template||std::is_same_v,std::nullptr_t> =nullptr> constexpr modint(U x){ x%=std::make_signed_t(umod); v=x>=0?x:x+umod; } template||std::is_same_v,std::nullptr_t> =nullptr> constexpr modint(U x):v(take_mod(x)){} static constexpr value_type mod(){return umod;} static constexpr modint zero(){return raw(0);} static constexpr modint one(){ if constexpr(m==1)return raw(0); else return raw(1); } template static constexpr modint raw(U x){ modint res; res.v=x; return res; } constexpr std::make_signed_t val()const{return v;} constexpr modint &operator+=(const modint&b){ this->v+=b.v; if(this->v>=umod)this->v-=umod; return *this; } constexpr modint &operator-=(const modint&b){ this->v-=b.v; if(this->v>=umod)this->v+=umod; return *this; } constexpr modint &operator*=(const modint&b){ this->v=take_mod(mul_type(this->v)*mul_type(b.v)); return *this; } constexpr modint &operator/=(const modint&b){return *this*=b.inv();} constexpr modint operator+()const{return *this;} constexpr modint operator-()const{return modint()-*this;} friend constexpr modint operator+(const modint&a,const modint&b){return modint(a)+=b;} friend constexpr modint operator-(const modint&a,const modint&b){return modint(a)-=b;} friend constexpr modint operator*(const modint&a,const modint&b){return modint(a)*=b;} friend constexpr modint operator/(const modint&a,const modint&b){return modint(a)/=b;} constexpr auto operator<=>(const modint&)const=default; constexpr modint operator++(int){ modint res=*this; this->v++; if(this->v==umod)this->v=0; return res; } constexpr modint operator--(int){ modint res=*this; if(this->v==0)this->v=umod; this->v--; return res; } template constexpr modint pow(U k)const{ if constexpr(std::is_signed_v){ assert(0<=k); } modint res=1,a(*this); while(k){ if(k&1)res*=a; a*=a; k>>=1; } return res; } constexpr modint inv()const{ if constexpr(isprime_constexpr(umod)){ if(std::is_constant_evaluated()){ if(v==0){ throw "no inverse"; } } else assert(v!=0); return pow(umod-2); } else{ modint res; auto [g,x]=inv_mod>(this->v,umod); if(std::is_constant_evaluated()){ if(g!=1){ throw "no inverse"; } } else assert(g==1); res.v=x; return res; } } std::optionalsqrt()const{ if(this->val()<=1||this->pow((umod-1)/2)==1)return std::make_optional(this->sqrt_impl()); else return std::nullopt; } friend std::istream &operator>>(std::istream&is,modint&b){ long long a; is>>a; b=modint(a); return is; } friend std::ostream &operator<<(std::ostream&os,const modint&b){ os< struct std::hash>{ std::size_t operator()(modintx)const{ return std::hash::value_type>(x.val()); } }; using mint998=modint<998244353>; using mint107=modint<1000000007>; using mint61=modint<2305843009213693951>; using mint6124=modint<2305843009196916737>; template std::vectorarbitrary_mod_convolution(const std::vector&a,const std::vector&b){ if(a.empty()||b.empty())return std::vector{}; if(std::min(a.size(),b.size())<60){ std::vectorret(a.size()+b.size()-1,0); for(int i=0;i; using mint2=modint<469762049>; using mint3=modint<998244353>; std::vectora1(a.size()),b1(b.size()); std::vectora2(a.size()),b2(b.size()); std::vectora3(a.size()),b3(b.size()); for(int i=0;iret(a.size()+b.size()-1); for(int i=0;i(a1[i].val(),a2[i].val(),a3[i].val()); return ret; } using mint=arbitrary_modint; void SOLVE(){ int n; ll m; cin>>n>>m; mint::read_mod(); vectora(n+1); rep(i,1,n+1)cin>>a[i]; a=semigroup_pow(a,m,[&](vectora,vectorb){ vectorab=arbitrary_mod_convolution(a,b); vectorc(n+1); rep(i,1,n+1){ c[i]=a[i]+b[i]; rep(j,1,i)c[i]+=ab[j]*c[i-j]; } return c; }); rep(i,1,n+1)cout<