#include using namespace std; using Int = long long; const char newl = '\n'; template inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template inline void chmax(T1 &a,T2 b){if(a void drop(const T &x){cout< vector read(size_t n){ vector ts(n); for(size_t i=0;i>ts[i]; return ts; } template struct Mint{ inline static constexpr T mod = MOD; T v; Mint():v(0){} Mint(signed v):v(v){} Mint(long long t){v=t%MOD;if(v<0) v+=MOD;} Mint pow(long long k){ Mint res(1),tmp(v); while(k){ if(k&1) res*=tmp; tmp*=tmp; k>>=1; } return res; } static Mint add_identity(){return Mint(0);} static Mint mul_identity(){return Mint(1);} Mint inv(){return pow(MOD-2);} Mint& operator+=(Mint a){v+=a.v;if(v>=MOD)v-=MOD;return *this;} Mint& operator-=(Mint a){v+=MOD-a.v;if(v>=MOD)v-=MOD;return *this;} Mint& operator*=(Mint a){v=1LL*v*a.v%MOD;return *this;} Mint& operator/=(Mint a){return (*this)*=a.inv();} Mint operator+(Mint a) const{return Mint(v)+=a;} Mint operator-(Mint a) const{return Mint(v)-=a;} Mint operator*(Mint a) const{return Mint(v)*=a;} Mint operator/(Mint a) const{return Mint(v)/=a;} Mint operator+() const{return *this;} Mint operator-() const{return v?Mint(MOD-v):Mint(v);} bool operator==(const Mint a)const{return v==a.v;} bool operator!=(const Mint a)const{return v!=a.v;} static Mint comb(long long n,int k){ Mint num(1),dom(1); for(int i=0;i ostream& operator<<(ostream &os,Mint m){os< struct NTT{ inline static constexpr int md = bmds(X); inline static constexpr int rt = brts(X); using M = Mint; vector< vector > rts,rrts; void ensure_base(int n){ if((int)rts.size()>=n) return; rts.resize(n);rrts.resize(n); for(int i=1;i &as,bool f){ int n=as.size(); assert((n&(n-1))==0); ensure_base(n); for(int i=0,j=1;j+1>1;k>(i^=k);k>>=1); if(i>j) swap(as[i],as[j]); } for(int i=1;i multiply(vector as,vector bs){ int need=as.size()+bs.size()-1; int sz=1; while(sz multiply(vector as,vector bs){ vector am(as.size()),bm(bs.size()); for(int i=0;i<(int)am.size();i++) am[i]=M(as[i]); for(int i=0;i<(int)bm.size();i++) bm[i]=M(bs[i]); vector cm=multiply(am,bm); vector cs(cm.size()); for(int i=0;i<(int)cs.size();i++) cs[i]=cm[i].v; return cs; } }; template class Enumeration{ using M = M_; protected: inline static vector fact,finv,invs; public: static void init(int n){ n=min(n,M::mod-1); int m=fact.size(); if(n=m;i--) finv[i-1]=finv[i]*M(i); for(int i=m;i<=n;i++) invs[i]=finv[i]*fact[i-1]; } static M Fact(int n){ init(n); return fact[n]; } static M Finv(int n){ init(n); return finv[n]; } static M Invs(int n){ init(n); return invs[n]; } static M C(int n,int k){ if(n struct FormalPowerSeries : Enumeration { using M = M_; using super = Enumeration; using super::fact; using super::finv; using super::invs; using Poly = vector; using Conv = function; Conv conv; FormalPowerSeries(Conv conv):conv(conv){} Poly pre(const Poly &as,int deg){ return Poly(as.begin(),as.begin()+min((int)as.size(),deg)); } Poly add(Poly as,Poly bs){ int sz=max(as.size(),bs.size()); Poly cs(sz,M(0)); for(int i=0;i<(int)as.size();i++) cs[i]+=as[i]; for(int i=0;i<(int)bs.size();i++) cs[i]+=bs[i]; return cs; } Poly sub(Poly as,Poly bs){ int sz=max(as.size(),bs.size()); Poly cs(sz,M(0)); for(int i=0;i<(int)as.size();i++) cs[i]+=as[i]; for(int i=0;i<(int)bs.size();i++) cs[i]-=bs[i]; return cs; } Poly mul(Poly as,Poly bs){ return conv(as,bs); } Poly mul(Poly as,M k){ for(auto &a:as) a*=k; return as; } bool is_zero(Poly as){ return as==Poly(as.size(),0); } void shrink(Poly &as){ assert(not is_zero(as)); while(as.back()==M(0)) as.pop_back(); } // F(0) must not be 0 Poly inv(Poly as,int deg); // not zero Poly div(Poly as,Poly bs); // not zero Poly mod(Poly as,Poly bs); // F(0) must be 1 Poly sqrt(Poly as,int deg); Poly diff(Poly as); Poly integral(Poly as); // F(0) must be 1 Poly log(Poly as,int deg); // F(0) must be 0 Poly exp(Poly as,int deg); // not zero Poly pow(Poly as,long long k,int deg); // x <- x + c Poly shift(Poly as,M c); }; template vector FormalPowerSeries::exp(Poly as,int deg){ Poly fs({M(1)}); as[0]+=M(1); for(int i=1;i vector FormalPowerSeries::log(Poly as,int deg){ return pre(integral(mul(diff(as),inv(as,deg))),deg); } template vector FormalPowerSeries::inv(Poly as,int deg){ assert(as[0]!=M(0)); Poly rs({M(1)/as[0]}); for(int i=1;i vector FormalPowerSeries::integral(Poly as){ super::init(as.size()+1); int n=as.size(); Poly rs(n+1); rs[0]=M(0); for(int i=0;i vector FormalPowerSeries::diff(Poly as){ int n=as.size(); Poly rs(n); for(int i=1;i ntt; using M = decltype(ntt)::M; using E = Enumeration; auto conv=[](auto as,auto bs){return ntt.multiply(as,bs);}; FormalPowerSeries FPS(conv); } //INSERT ABOVE HERE signed main(){ cin.tie(0); ios::sync_with_stdio(0); int k,q; cin>>k>>q; using namespace fps_998244353; E::init(2e6); using Poly = vector; const int MAX = 1e5+10; Poly bs(MAX); for(int j=1;j<=k;j++) bs[j]=E::Invs(j); bs=FPS.exp(bs,MAX); bs.resize(MAX); const int B = 1000; // dat[t][n] -> [0,t*B) * [0,MAX) array dat; for(int t=0;t<(int)dat.size();t++){ Poly ts(bs); ts.resize(t*B); dat[t]=ntt.multiply(ts,bs); } // [0, s) auto query=[&](int n,int s)->M{ M ans{0}; if(s/B) ans+=dat[s/B][n-1]; for(int idx=s/B*B;idx>n>>l>>r; l--; cout<