結果
問題 | No.215 素数サイコロと合成数サイコロ (3-Hard) |
ユーザー | fumofumofuni |
提出日時 | 2022-09-10 09:20:36 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 6,355 bytes |
コンパイル時間 | 2,545 ms |
コンパイル使用メモリ | 220,192 KB |
実行使用メモリ | 10,240 KB |
最終ジャッジ日時 | 2024-05-04 20:47:17 |
合計ジャッジ時間 | 3,480 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ソースコード
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(ll i=0;i<n;i++) #define repl(i,l,r) for(ll i=(l);i<(r);i++) #define per(i,n) for(ll i=(n)-1;i>=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define pqueue(x) priority_queue<x,vector<x>,greater<x>> #define all(x) (x).begin(),(x).end() #define CST(x) cout<<fixed<<setprecision(x) #define vtpl(x,y,z) vector<tuple<x,y,z>> #define rev(x) reverse(x); using ll=long long; using vl=vector<ll>; using vvl=vector<vector<ll>>; using pl=pair<ll,ll>; using vpl=vector<pl>; using vvpl=vector<vpl>; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[9]={0,1,0,-1,1,1,-1,-1,0}; const ll dx[9]={1,0,-1,0,1,-1,1,-1,0}; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } const int mod = MOD; const int max_n = 200005; struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } bool operator==(const mint &p) const { return x == p.x; } bool operator!=(const mint &p) const { return x != p.x; } // for prime mod mint inv() const { return pow(mod-2);} mint& operator/=(const mint a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} using vm=vector<mint>; using vvm=vector<vm>; struct combination { vector<mint> fact, ifact; combination(int n):fact(n+1),ifact(n+1) { assert(n < mod); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n-k]; } }comb(max_n); vm conv(vm a,vm b){ vm c(a.size()+b.size()-1); rep(i,a.size()){ rep(j,b.size()){ c[i+j]+=a[i]*b[j]; } } return c; } vector<mint> BerlekampMassey(const vector<mint> &s) { const int N = (int)s.size(); vector<mint> b, c; b.reserve(N + 1); c.reserve(N + 1); b.push_back(mint(1)); c.push_back(mint(1)); mint y = mint(1); for (int ed = 1; ed <= N; ed++) { int l = int(c.size()), m = int(b.size()); mint x = 0; for (int i = 0; i < l; i++) x += c[i] * s[ed - l + i]; b.emplace_back(mint(0)); m++; if (x == mint(0)) continue; mint freq = x / y; if (l < m) { auto tmp = c; c.insert(begin(c), m - l, mint(0)); for (int i = 0; i < m; i++) c[m - 1 - i] -= freq * b[m - 1 - i]; b = tmp; y = x; } else { for (int i = 0; i < m; i++) c[l - 1 - i] -= freq * b[m - 1 - i]; } } reverse(begin(c), end(c)); return c; } template <typename mint> vector<mint> kitamasa(vector<mint> Q,vector<mint> a) { assert(!Q.empty() && Q[0] != 0); assert((int)a.size() >= int(Q.size()) - 1); vector<mint> P(Q.size()*2-2); for(ll i=0;i<Q.size()-1;i++){ for(ll j=0;j<Q.size();j++){ P[i+j]+=a[i]*Q[j]; } } P.resize(Q.size() - 1); return P; } template<class T> struct bostan_mori { vector<T> p, q; bostan_mori(vector<T> &_p, vector<T> &_q) : p(_p), q(_q) {} void rever(vector<T> &f) const { int d = f.size(); rep(i, d) if (i&1) f[i] = -f[i]; } void even(vector<T> &f) const { int d = (f.size() + 1) >> 1; rep(i, d) f[i] = f[i<<1]; f.resize(d); } void odd(vector<T> &f) const { int d = f.size() >> 1; rep(i, d) f[i] = f[i<<1|1]; f.resize(d); } vector<T> convolution(vector<T> a,vector<T> b) const{ int n=a.size(),m=b.size(); vector<T> c(n+m-1); rep(i,n)rep(j,m)c[i+j]+=a[i]*b[j]; return c; } T operator[] (ll n) const { vector<T> _p(p), _q(q), _q_rev(q); rever(_q_rev); for (; n; n >>= 1) { _p = convolution(move(_p), _q_rev); if (n&1) odd(_p); else even(_p); _q = convolution(move(_q), move(_q_rev)); even(_q); _q_rev = _q; rever(_q_rev); } return _p[0] / _q[0]; } }; //https://nyaannyaan.github.io/library/fps/kitamasa.hpp //https://atcoder.jp/contests/tdpc/submissions/34362182 //線形漸化式のprefixからn項目を復元できる。 bostan_mori<mint> interpolation(vm a){ auto q=BerlekampMassey(a); auto p=kitamasa(q,a); return bostan_mori<mint>(p,q); } int main(){ ll n,p,c;cin >> n >> p >> c; vl prime={2,3,5,7,11,13}; vl compos={4,6,8,9,10,12}; vvm dp(51,vm(4000));dp[0][0]=1; { rep(i,6){ rep(j,50){ rep(k,4000){ if(k+prime[i]<4000)dp[j+1][k+prime[i]]+=dp[j][k]; } } } } vvm ndp(51,vm(4000));ndp[0][0]=1; { rep(i,6){ rep(j,50){ rep(k,4000){ if(k+compos[i]<660)ndp[j+1][k+compos[i]]+=ndp[j][k]; } } } } auto f=dp[p];auto g=ndp[c]; f=conv(f,g); while(f.back().x==0)f.pop_back(); { ll m=f.size()*3; vm naive(m); rep(i,f.size())naive[i]=1; for(ll j=f.size();j<m;j++){ rep(k,f.size()){ naive[j]+=naive[j-k]*f[k]; } } //rep(i,m)cout << naive[i] <<" ";cout << endl; rep(_,f.size())naive.pop_back(); auto bm=interpolation(naive); //rep(i,m)cout << bm[i] <<" ";cout << endl; cout << bm[n+f.size()-1] << endl; } }