結果
問題 | No.42 貯金箱の溜息 |
ユーザー | beet |
提出日時 | 2019-06-20 21:56:21 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 7 ms / 5,000 ms |
コード長 | 9,728 bytes |
コンパイル時間 | 3,105 ms |
コンパイル使用メモリ | 232,340 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-01 10:34:37 |
合計ジャッジ時間 | 3,554 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 5 ms
6,812 KB |
testcase_01 | AC | 7 ms
6,944 KB |
testcase_02 | AC | 7 ms
6,944 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; using Int = long long; template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;} 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; //BEGIN CUT HERE template<typename M> class Enumeration{ private: static vector<M> fact,finv,invs; public: static void init(int n){ n=min<decltype(M::mod)>(n,M::mod-1); int m=fact.size(); if(n<m) return; fact.resize(n+1,1); finv.resize(n+1,1); invs.resize(n+1,1); if(m==0) m=1; for(int i=m;i<=n;i++) fact[i]=fact[i-1]*M(i); finv[n]=M(1)/fact[n]; for(int i=n;i>=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<k||k<0) return M(0); init(n); return fact[n]*finv[n-k]*finv[k]; } static M P(int n,int k){ if(n<k||k<0) return M(0); init(n); return fact[n]*finv[n-k]; } static M H(int n,int k){ if(n<0||k<0) return M(0); if(!n&&!k) return M(1); init(n+k-1); return C(n+k-1,k); } static M S(int n,int k){ M res; init(k); for(int i=1;i<=k;i++){ M tmp=C(k,i)*M(i).pow(n); if((k-i)&1) res-=tmp; else res+=tmp; } return res*=finv[k]; } static vector<vector<M> > D(int n,int m){ vector<vector<M> > dp(n+1,vector<M>(m+1,0)); dp[0][0]=M(1); for(int i=0;i<=n;i++){ for(int j=1;j<=m;j++){ if(i-j>=0) dp[i][j]=dp[i][j-1]+dp[i-j][j]; else dp[i][j]=dp[i][j-1]; } } return dp; } static M B(int n,int k){ if(n==0) return M(1); k=min(k,n); init(k); vector<M> dp(k+1); dp[0]=M(1); for(int i=1;i<=k;i++) dp[i]=dp[i-1]+((i&1)?-finv[i]:finv[i]); M res; for(int i=1;i<=k;i++) res+=M(i).pow(n)*finv[i]*dp[k-i]; return res; } static M montmort(int n){ M res; init(n); for(int k=2;k<=n;k++){ if(k&1) res-=finv[k]; else res+=finv[k]; } return res*=fact[n]; } static M LagrangePolynomial(vector<M> &y,M t){ int n=y.size()-1; if(t.v<=n) return y[t.v]; init(n+1); vector<M> dp(n+1,1),pd(n+1,1); for(int i=0;i<n;i++) dp[i+1]=dp[i]*(t-M(i)); for(int i=n;i>0;i--) pd[i-1]=pd[i]*(t-M(i)); M res{0}; for(int i=0;i<=n;i++){ M tmp=y[i]*dp[i]*pd[i]*finv[i]*finv[n-i]; if((n-i)&1) res-=tmp; else res+=tmp; } return res; } }; template<typename M> vector<M> Enumeration<M>::fact = vector<M>(); template<typename M> vector<M> Enumeration<M>::finv = vector<M>(); template<typename M> vector<M> Enumeration<M>::invs = vector<M>(); //END CUT HERE template<typename T> map<T, int> factorize(T x){ map<T, int> res; for(int i=2;i*i<=x;i++){ while(x%i==0){ x/=i; res[i]++; } } if(x!=1) res[x]++; return res; } //INSERT ABOVE HERE signed DPL_5_A(){ int n; Mint<int> k; scanf("%d %d",&n,&k.v); printf("%d\n",k.pow(n).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_A&lang=jp */ signed DPL_5_B(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",Enumeration<Mint<int>>::P(k,n).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_B&lang=jp */ signed DPL_5_C(){ int n,k; scanf("%d %d",&n,&k); Enumeration<Mint<int>>::init(k); printf("%d\n",(Enumeration<Mint<int>>::S(n,k)*Enumeration<Mint<int>>::Fact(k)).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_C&lang=jp */ signed DPL_5_D(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",Enumeration<Mint<int>>::H(k,n).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_D&lang=jp */ signed DPL_5_E(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",Enumeration<Mint<int>>::C(k,n).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_E&lang=jp */ signed DPL_5_F(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",Enumeration<Mint<int>>::C(n-1,k-1).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_F&lang=jp */ signed DPL_5_G(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",Enumeration<Mint<int>>::B(n,k).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_G&lang=jp */ signed DPL_5_H(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",(n<=k)); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_H&lang=jp */ signed DPL_5_I(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",Enumeration<Mint<int>>::S(n,k).v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_I&lang=jp */ signed DPL_5_J(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",Enumeration<Mint<int>>::D(n,k)[n][k].v); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_J&lang=jp */ signed DPL_5_K(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",(n<=k)); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_K&lang=jp */ signed DPL_5_L(){ int n,k; scanf("%d %d",&n,&k); printf("%d\n",n>=k?Enumeration<Mint<int>>::D(n,k)[n-k][k].v:0); return 0; } /* verified on 2019/05/19 http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_5_L&lang=jp */ signed ABC110_D(){ int n; using M = Mint<int>; using E = Enumeration<M>; M m; scanf("%d %d",&n,&m.v); E::init(n+100); Mint<int> ans(1); auto x=factorize(m.v); for(auto p:x) ans*=E::H(n,p.second); printf("%d\n",ans.v); return 0; } /* verified on 2019/05/19 https://beta.atcoder.jp/contests/abc110/tasks/abc110_d */ //montmort signed ARC009_C(){ Int n,k; scanf("%lld %lld",&n,&k); const int MOD = 1777777777; using M = Mint<long long, MOD>; using E = Enumeration<M>; M a=E::montmort(k)*M::comb(n,k); printf("%lld\n",a.v); return 0; } /* verified on 2019/05/19 https://beta.atcoder.jp/contests/arc009/tasks/arc009_3 */ signed ARC033_D(){ int n; scanf("%d",&n); using M = Mint<int>; using E = Enumeration<M>; vector<M> y(n+1); for(Int i=0;i<=n;i++) scanf("%d",&y[i].v); int t; scanf("%d",&t); printf("%d\n",E::LagrangePolynomial(y,M(t)).v); return 0; } /* verified on 2019/06/20 https://beta.atcoder.jp/contests/arc033/tasks/arc033_4 */ signed YUKI_117(){ int T; scanf("%d\n",&T); using M = Mint<int>; using E = Enumeration<M>; E::init(2e6+100); while(T--){ char c; int n,k; scanf("%c(%d,%d)\n",&c,&n,&k); if(c=='C') printf("%d\n",E::C(n,k).v); if(c=='P') printf("%d\n",E::P(n,k).v); if(c=='H') printf("%d\n",E::H(n,k).v); } return 0; } /* verified on 2019/05/19 https://yukicoder.me/problems/no/117 */ signed YUKI_042(){ using M = Mint<int, int(1e9+9)>; using E = Enumeration<M>; const int MAX = 666 * 6 + 10; vector<M> dp(MAX,0); dp[0]=M(1); for(int x:{1,5,10,50,100,500}) for(int j=x;j<MAX;j++) dp[j]+=dp[j-x]; int T; scanf("%d",&T); while(T--){ using ll = long long; ll m; scanf("%lld",&m); vector<M> y(6); for(int i=0;i<6;i++) y[i]=dp[(m%500)+(i*500)]; M ans=E::LagrangePolynomial(y,M(m/500)); printf("%d\n",ans.v); } return 0; } /* verified on 2019/06/20 https://yukicoder.me/problems/no/42 */ signed CFR315_B(){ cin.tie(0); ios::sync_with_stdio(0); int n; cin>>n; using M = Mint<int>; using E = Enumeration<M>; E::init(n+1); M res; for(int i=0;i<n;i++) res+=E::C(n,i)*E::B(i,i); cout<<res.v<<endl; return 0; } /* verified on 2019/05/19 https://codeforces.com/contest/568/problem/B */ signed main(){ //DPL_5_A(); //DPL_5_B(); //DPL_5_C(); //DPL_5_D(); //DPL_5_E(); //DPL_5_F(); //DPL_5_G(); //DPL_5_H(); //DPL_5_I(); //DPL_5_J(); //DPL_5_K(); //DPL_5_L(); //ABC110_D(); //ARC009_C(); //ARC033_D(); //YUKI_117(); YUKI_042(); //CFR315_B(); return 0; }