結果
問題 | No.502 階乗を計算するだけ |
ユーザー | beet |
提出日時 | 2019-12-17 16:08:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 551 ms / 1,000 ms |
コード長 | 10,331 bytes |
コンパイル時間 | 3,544 ms |
コンパイル使用メモリ | 245,812 KB |
実行使用メモリ | 32,684 KB |
最終ジャッジ日時 | 2024-07-02 21:28:39 |
合計ジャッジ時間 | 28,950 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 547 ms
32,684 KB |
testcase_01 | AC | 544 ms
32,552 KB |
testcase_02 | AC | 543 ms
32,556 KB |
testcase_03 | AC | 546 ms
32,552 KB |
testcase_04 | AC | 546 ms
32,680 KB |
testcase_05 | AC | 545 ms
32,552 KB |
testcase_06 | AC | 546 ms
32,552 KB |
testcase_07 | AC | 545 ms
32,620 KB |
testcase_08 | AC | 547 ms
32,548 KB |
testcase_09 | AC | 548 ms
32,552 KB |
testcase_10 | AC | 545 ms
32,552 KB |
testcase_11 | AC | 548 ms
32,556 KB |
testcase_12 | AC | 550 ms
32,552 KB |
testcase_13 | AC | 549 ms
32,552 KB |
testcase_14 | AC | 546 ms
32,676 KB |
testcase_15 | AC | 545 ms
32,556 KB |
testcase_16 | AC | 543 ms
32,556 KB |
testcase_17 | AC | 546 ms
32,556 KB |
testcase_18 | AC | 546 ms
32,552 KB |
testcase_19 | AC | 547 ms
32,556 KB |
testcase_20 | AC | 545 ms
32,680 KB |
testcase_21 | AC | 547 ms
32,684 KB |
testcase_22 | AC | 548 ms
32,552 KB |
testcase_23 | AC | 551 ms
32,552 KB |
testcase_24 | AC | 545 ms
32,548 KB |
testcase_25 | AC | 545 ms
32,548 KB |
testcase_26 | AC | 544 ms
32,548 KB |
testcase_27 | AC | 545 ms
32,548 KB |
testcase_28 | AC | 546 ms
32,552 KB |
testcase_29 | AC | 547 ms
32,552 KB |
testcase_30 | AC | 547 ms
32,552 KB |
testcase_31 | AC | 550 ms
32,552 KB |
testcase_32 | AC | 549 ms
32,548 KB |
testcase_33 | AC | 544 ms
32,552 KB |
testcase_34 | AC | 543 ms
32,548 KB |
testcase_35 | AC | 548 ms
32,428 KB |
testcase_36 | AC | 545 ms
32,556 KB |
testcase_37 | AC | 543 ms
32,680 KB |
testcase_38 | AC | 544 ms
32,428 KB |
testcase_39 | AC | 544 ms
32,556 KB |
testcase_40 | AC | 544 ms
32,552 KB |
testcase_41 | AC | 545 ms
32,552 KB |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 2 ms
5,376 KB |
testcase_44 | AC | 2 ms
5,376 KB |
testcase_45 | AC | 2 ms
5,376 KB |
testcase_46 | AC | 2 ms
5,376 KB |
testcase_47 | AC | 2 ms
5,376 KB |
testcase_48 | AC | 2 ms
5,376 KB |
testcase_49 | AC | 2 ms
5,376 KB |
testcase_50 | AC | 2 ms
5,376 KB |
testcase_51 | AC | 2 ms
5,376 KB |
ソースコード
#ifndef call_from_test #include<bits/stdc++.h> using namespace std; #endif #define call_from_test #ifndef call_from_test #include<bits/stdc++.h> using namespace std; #endif //BEGIN CUT HERE template<typename T,T MOD = 1000000007> struct Mint{ 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 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;} 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<k;i++){ num*=Mint(n-i); dom*=Mint(i+1); } return num/dom; } }; template<typename T,T MOD> constexpr T Mint<T, MOD>::mod; template<typename T,T MOD> ostream& operator<<(ostream &os,Mint<T, MOD> m){os<<m.v;return os;} //END CUT HERE #ifndef call_from_test //INSERT ABOVE HERE signed ABC127_E(){ cin.tie(0); ios::sync_with_stdio(0); int h,w,k; cin>>h>>w>>k; using M = Mint<int>; M ans{0}; for(int d=1;d<h;d++) ans+=M(d)*M(h-d)*M(w)*M(w); for(int d=1;d<w;d++) ans+=M(d)*M(w-d)*M(h)*M(h); ans*=M::comb(h*w-2,k-2); cout<<ans<<endl; return 0; } /* verified on 2019/06/12 https://atcoder.jp/contests/abc127/tasks/abc127_e */ signed main(){ //ABC127_E(); return 0; } #endif #ifndef call_from_test #include<bits/stdc++.h> using namespace std; #define call_from_test #include "../mod/mint.cpp" #undef call_from_test #endif //BEGIN CUT HERE constexpr int bmds(int x){ const int v[] = {1012924417, 924844033, 998244353, 897581057, 645922817}; return v[x]; } constexpr int brts(int x){ const int v[] = {5, 5, 3, 3, 3}; return v[x]; } template<int X> struct NTT{ static constexpr int md = bmds(X); static constexpr int rt = brts(X); using M = Mint<int, md>; vector< vector<M> > rts,rrts; void ensure_base(int n){ if((int)rts.size()>=n) return; rts.resize(n);rrts.resize(n); for(int i=1;i<n;i<<=1){ if(!rts[i].empty()) continue; M w=M(rt).pow((md-1)/(i<<1)); M rw=w.inv(); rts[i].resize(i);rrts[i].resize(i); rts[i][0]=M(1);rrts[i][0]=M(1); for(int k=1;k<i;k++){ rts[i][k]=rts[i][k-1]*w; rrts[i][k]=rrts[i][k-1]*rw; } } } void ntt(vector<M> &as,bool f){ int n=as.size(); assert((n&(n-1))==0); ensure_base(n); for(int i=0,j=1;j+1<n;j++){ for(int k=n>>1;k>(i^=k);k>>=1); if(i>j) swap(as[i],as[j]); } for(int i=1;i<n;i<<=1){ for(int j=0;j<n;j+=i*2){ for(int k=0;k<i;k++){ M z=as[i+j+k]*(f?rrts[i][k]:rts[i][k]); as[i+j+k]=as[j+k]-z; as[j+k]+=z; } } } if(f){ M tmp=M(n).inv(); for(int i=0;i<n;i++) as[i]*=tmp; } } vector<M> multiply(vector<M> as,vector<M> bs){ int need=as.size()+bs.size()-1; int sz=1; while(sz<need) sz<<=1; as.resize(sz,M(0)); bs.resize(sz,M(0)); ntt(as,0);ntt(bs,0); for(int i=0;i<sz;i++) as[i]*=bs[i]; ntt(as,1); as.resize(need); return as; } vector<int> multiply(vector<int> as,vector<int> bs){ vector<M> 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<M> cm=multiply(am,bm); vector<int> cs(cm.size()); for(int i=0;i<(int)cs.size();i++) cs[i]=cm[i].v; return cs; } }; template<int X> constexpr int NTT<X>::md; template<int X> constexpr int NTT<X>::rt; //END CUT HERE #ifndef call_from_test signed ATC001_C(){ cin.tie(0); ios::sync_with_stdio(0); int n; cin>>n; vector<int> as(n+1,0),bs(n+1,0); for(int i=1;i<=n;i++) cin>>as[i]>>bs[i]; NTT<0> ntt; auto cs=ntt.multiply(as,bs); for(int i=1;i<=n*2;i++) cout<<cs[i]<<"\n"; cout<<flush; return 0; } /* verified on 2019/11/26 https://atcoder.jp/contests/atc001/tasks/fft_c */ signed main(){ ATC001_C(); return 0; } #endif #ifndef call_from_test #include<bits/stdc++.h> using namespace std; #define call_from_test #include "../mod/mint.cpp" #include "numbertheoretictransform.cpp" #undef call_from_test #endif //BEGIN CUT HERE struct ArbitraryModConvolution{ using ll = long long; static NTT<0> ntt0; static NTT<1> ntt1; static NTT<2> ntt2; static constexpr int pow(int a,int b,int md){ int res=1; a=a%md; while(b){ if(b&1) res=(ll)res*a%md; a=(ll)a*a%md; b>>=1; } return res; } static constexpr int inv(int x,int md){ return pow(x,md-2,md); } inline void garner(int &c0,int c1,int c2,int m01,int MOD){ static constexpr int r01=inv(ntt0.md,ntt1.md); static constexpr int r02=inv(ntt0.md,ntt2.md); static constexpr int r12=inv(ntt1.md,ntt2.md); c1=(ll)(c1-c0)*r01%ntt1.md; if(c1<0) c1+=ntt1.md; c2=(ll)(c2-c0)*r02%ntt2.md; c2=(ll)(c2-c1)*r12%ntt2.md; if(c2<0) c2+=ntt2.md; c0+=(ll)c1*ntt0.md%MOD; if(c0>=MOD) c0-=MOD; c0+=(ll)c2*m01%MOD; if(c0>=MOD) c0-=MOD; } inline void garner(vector< vector<int> > &cs,int MOD){ int m01 =(ll)ntt0.md*ntt1.md%MOD; int sz=cs[0].size(); for(int i=0;i<sz;i++) garner(cs[0][i],cs[1][i],cs[2][i],m01,MOD); } vector<int> multiply(vector<int> as,vector<int> bs,int MOD){ vector< vector<int> > cs(3); cs[0]=ntt0.multiply(as,bs); cs[1]=ntt1.multiply(as,bs); cs[2]=ntt2.multiply(as,bs); size_t sz=as.size()+bs.size()-1; for(auto& v:cs) v.resize(sz); garner(cs,MOD); return cs[0]; } template<typename T,T MOD> decltype(auto) multiply(vector< Mint<T, MOD> > am, vector< Mint<T, MOD> > bm){ using M = Mint<T, MOD>; vector<int> as(am.size()),bs(bm.size()); for(int i=0;i<(int)as.size();i++) as[i]=am[i].v; for(int i=0;i<(int)bs.size();i++) bs[i]=bm[i].v; vector<int> cs=multiply(as,bs,MOD); vector<M> cm(cs.size()); for(int i=0;i<(int)cm.size();i++) cm[i]=M(cs[i]); return cm; } }; NTT<0> ArbitraryModConvolution::ntt0; NTT<1> ArbitraryModConvolution::ntt1; NTT<2> ArbitraryModConvolution::ntt2; //END CUT HERE #ifndef call_from_test #define call_from_test #include "../tools/fastio.cpp" #include "../mod/enumeration.cpp" #undef call_from_test //INSERT ABOVE HERE signed YUKI_829(){ using ll = long long; int n,b; cin>>n>>b; vector<int> s(n); for(int i=0;i<n;i++) cin>>s[i]; using M = Mint<int>; using E = Enumeration<M>; E::init(3e5); vector<int> cnt(n,0); for(int i=0;i<n;i++) cnt[s[i]]++; using P = pair<int, vector<int> > ; priority_queue<P> pq; pq.emplace(-1,vector<int>(1,1)); int sum=0; for(int i=n-1;i>=0;i--){ if(cnt[i]==0) continue; M x=E::H(sum,cnt[i]); M y=E::H(sum+1,cnt[i])-x; x*=E::Fact(cnt[i]); y*=E::Fact(cnt[i]); pq.emplace(-2,vector<int>({x.v,y.v})); sum+=cnt[i]; } const int MOD = 1e9+7; ArbitraryModConvolution arb; while(pq.size()>1u){ auto as=pq.top().second;pq.pop(); auto bs=pq.top().second;pq.pop(); auto cs=arb.multiply(as,bs,MOD); pq.emplace(-(int)cs.size(),cs); } auto dp=pq.top().second; M ans(0),res(1); for(int j=0;j<(int)dp.size();j++){ ans+=M((ll)j*(ll)dp[j])*res; res*=M(b); } cout<<ans.v<<endl; return 0; } /* verified on 2019/09/08 https://yukicoder.me/problems/no/829 */ signed main(){ YUKI_829(); return 0; } #endif #undef call_from_test //BEGIN CUT HERE int factorial(long long n,int MOD){ if(n>=MOD) return 0; ArbitraryModConvolution arb; auto inv=[&](int a){return ArbitraryModConvolution::inv(a,MOD);}; using ll = long long; auto add=[&](int a,int b){return a+b>=MOD?a+b-MOD:a+b;}; auto sub=[&](int a,int b){return a-b<0?a-b+MOD:a-b;}; auto mul=[&](int a,int b){return (ll)a*b%MOD;}; auto div=[&](int a,int b){return mul(a,inv(b));}; int d=1<<15; vector<int> fact(d*2+1,1),finv(d*2+1,1); for(int i=1;i<=d*2;i++) fact[i]=mul(fact[i-1],i); finv[d*2]=inv(fact[d*2]); for(int i=d*2-1;i>=0;i--) finv[i]=mul(finv[i+1],i+1); vector<int> seq({1,d+1}); seq.reserve(d+1); int sz=1; while(sz<d){ vector<int> aux(sz,1); vector<int> f(sz*4,0),g(sz*4,0); for(int i=0;i<=sz;i++){ f[i]=mul(mul(finv[i],finv[sz-i]),seq[i]); if(((sz+i)&1)&&(f[i]!=0)) f[i]=MOD-f[i]; } vector<int> pf(f); vector<int> as; as.emplace_back(sz+1); as.emplace_back(div(sz,d)); as.emplace_back(add(div(sz,d),sz+1)); for(int idx=0;idx<3;idx++){ for(int i=0;i<sz*4;i++) f[i]=pf[i]; for(int i=1;i<sz*2+2;i++) g[i]=inv(as[idx]+MOD-sz+i-1); f=arb.multiply(f,g,MOD); f.resize(sz*4); int prod=1; for(int i=0;i<=sz;i++) prod=mul(prod,sub(as[idx],i)); for(int i=0;i<=sz;i++){ f[sz+i+1]=mul(f[sz+i+1],prod); prod=mul(prod,add(as[idx],i+1)); prod=div(prod,sub(as[idx],sz-i)); } if(idx==0){ for(int i=0;i<sz;i++) aux[i]=f[sz+i+1]; } if(idx==1){ for(int i=0;i<=sz;i++) seq[i]=mul(seq[i],f[sz+i+1]); } if(idx==2){ for(int i=0;i<sz;i++) aux[i]=mul(aux[i],f[sz+i+1]); } } for(int x:aux) seq.emplace_back(x); sz<<=1; } int res=1; int l=min((ll)d,(n+1)/d); for(int i=0;i<l;i++) res=mul(res,seq[i]); for(int i=l*d+1;i<=n;i++) res=mul(res,i); return res; } //END CUT HERE #ifndef call_from_test //INSERT ABOVE HERE signed main(){ const int MOD = 1e9+7; long long n; cin>>n; cout<<factorial(n,MOD)<<endl; return 0; } #endif