結果
問題 | No.621 3 x N グリッド上のドミノの置き方の数 |
ユーザー | fumofumofuni |
提出日時 | 2022-08-28 21:30:08 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 7 ms / 3,000 ms |
コード長 | 10,131 bytes |
コンパイル時間 | 3,563 ms |
コンパイル使用メモリ | 251,872 KB |
実行使用メモリ | 6,528 KB |
最終ジャッジ日時 | 2024-10-15 18:27:12 |
合計ジャッジ時間 | 5,817 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 6 ms
6,528 KB |
testcase_01 | AC | 6 ms
6,400 KB |
testcase_02 | AC | 6 ms
6,400 KB |
testcase_03 | AC | 6 ms
6,400 KB |
testcase_04 | AC | 6 ms
6,528 KB |
testcase_05 | AC | 6 ms
6,400 KB |
testcase_06 | AC | 6 ms
6,400 KB |
testcase_07 | AC | 6 ms
6,400 KB |
testcase_08 | AC | 7 ms
6,528 KB |
testcase_09 | AC | 6 ms
6,400 KB |
testcase_10 | AC | 7 ms
6,400 KB |
testcase_11 | AC | 7 ms
6,400 KB |
testcase_12 | AC | 7 ms
6,400 KB |
testcase_13 | AC | 6 ms
6,400 KB |
testcase_14 | AC | 7 ms
6,400 KB |
testcase_15 | AC | 6 ms
6,400 KB |
testcase_16 | AC | 6 ms
6,400 KB |
testcase_17 | AC | 7 ms
6,400 KB |
testcase_18 | AC | 7 ms
6,400 KB |
testcase_19 | AC | 7 ms
6,400 KB |
testcase_20 | AC | 7 ms
6,528 KB |
testcase_21 | AC | 6 ms
6,400 KB |
testcase_22 | AC | 7 ms
6,400 KB |
testcase_23 | AC | 7 ms
6,400 KB |
testcase_24 | AC | 6 ms
6,400 KB |
testcase_25 | AC | 6 ms
6,400 KB |
testcase_26 | AC | 7 ms
6,400 KB |
testcase_27 | AC | 7 ms
6,400 KB |
testcase_28 | AC | 7 ms
6,400 KB |
testcase_29 | AC | 6 ms
6,528 KB |
testcase_30 | AC | 7 ms
6,400 KB |
testcase_31 | AC | 7 ms
6,400 KB |
testcase_32 | AC | 7 ms
6,400 KB |
testcase_33 | AC | 6 ms
6,400 KB |
testcase_34 | AC | 6 ms
6,528 KB |
testcase_35 | AC | 7 ms
6,400 KB |
testcase_36 | AC | 6 ms
6,528 KB |
testcase_37 | AC | 7 ms
6,528 KB |
testcase_38 | AC | 7 ms
6,400 KB |
testcase_39 | AC | 7 ms
6,400 KB |
testcase_40 | AC | 6 ms
6,528 KB |
testcase_41 | AC | 6 ms
6,400 KB |
testcase_42 | AC | 6 ms
6,400 KB |
testcase_43 | AC | 6 ms
6,400 KB |
testcase_44 | AC | 7 ms
6,528 KB |
testcase_45 | AC | 6 ms
6,528 KB |
testcase_46 | AC | 7 ms
6,400 KB |
testcase_47 | AC | 7 ms
6,400 KB |
testcase_48 | AC | 7 ms
6,528 KB |
testcase_49 | AC | 6 ms
6,400 KB |
testcase_50 | AC | 6 ms
6,400 KB |
testcase_51 | AC | 7 ms
6,400 KB |
testcase_52 | AC | 6 ms
6,528 KB |
testcase_53 | AC | 7 ms
6,400 KB |
testcase_54 | AC | 6 ms
6,400 KB |
testcase_55 | AC | 6 ms
6,528 KB |
testcase_56 | AC | 6 ms
6,400 KB |
testcase_57 | AC | 6 ms
6,528 KB |
testcase_58 | AC | 7 ms
6,400 KB |
testcase_59 | AC | 7 ms
6,400 KB |
testcase_60 | AC | 6 ms
6,400 KB |
testcase_61 | AC | 7 ms
6,528 KB |
testcase_62 | AC | 6 ms
6,528 KB |
testcase_63 | AC | 6 ms
6,528 KB |
testcase_64 | AC | 7 ms
6,400 KB |
testcase_65 | AC | 7 ms
6,400 KB |
testcase_66 | AC | 7 ms
6,400 KB |
testcase_67 | AC | 6 ms
6,400 KB |
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); struct UnionFind { vector<int> par; vector<int> edge; UnionFind(int n) : par(n, -1),edge(n, 0) {} int root(int x) { if (par[x] < 0) return x; else return par[x] = root(par[x]); } bool same(int x, int y) { return root(x) == root(y); } bool merge(int x, int y) { x = root(x); y = root(y); if (x == y) { edge[x]++; return false; } if (par[x] > par[y]) swap(x, y); par[x] += par[y]; par[y] = x; edge[x] += edge[y]+1; return true; } int size(int x) { return -par[root(x)]; } }; 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); } mint solve(ll n){ map<vl,mint> dp; dp[{2,2,2}]=1; rep(_,n){ map<vl,mint> ndp; for(auto [v,val]:dp){ set<vl> st; st.insert(vl({-1,-1,-1})); { set<vl> nst=st; for(auto p:st){ if(p[0]==-1&&p[1]==-1&&v[0]!=0&&v[1]!=0){ p[0]=2;p[1]=2; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(p[1]==-1&&p[2]==-1&&v[1]!=0&&v[2]!=0){ p[1]=2;p[2]=2; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[0]==0&&p[0]==-1){ p[0]=2; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[1]==0&&p[1]==-1){ p[1]=2; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[2]==0&&p[2]==-1){ p[2]=2; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[0]!=0&&p[0]==-1){ p[0]=0; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[1]!=0&&p[1]==-1){ p[1]=0; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[2]!=0&&p[2]==-1){ p[2]=0; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[0]!=0&&p[0]==-1&&v[0]!=1&&p[1]!=1){ p[0]=1; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[1]!=0&&p[1]==-1&&v[1]!=1&&p[0]!=1&&p[2]!=1){ p[1]=1; nst.insert(p); } } swap(st,nst); } { set<vl> nst=st; for(auto p:st){ if(v[2]!=0&&p[2]==-1&&v[2]!=1&&p[1]!=1){ p[2]=1; nst.insert(p); } } swap(st,nst); } for(auto to:st){ bool ok=true; rep(i,3)if(to[i]==-1)ok=false; if(ok)ndp[to]+=val; } } swap(dp,ndp); } mint ans=0; for(auto p:dp){ bool ok=true; rep(i,3)if(p.first[i]==0)ok=false; if(ok)ans+=p.second; } return ans; } vm dp={ 1, 2, 5, 22, 75, 264, 941, 3286, 11623, 40960, 144267, 508812, 1792981, 6319994, 22277291, 78518760, 276763545, 975517878, 438444562, 119670782, 718700373, 572582090, 730060385, 688016070, 699386708, 110529611, 995262545, 597995343, 640606626, 241830833, 272804340, 283380443, 545790282, 699375508, 859877759, 656285179, 175970508, 314324844, 545142464, 835141447, 795582614, 192966456, 219968013, 455478810, 545912024, 375190023, 626023603, 293536141, 560368619, 515677853, 858117007, 300028037, 323658700, 884276037, 615126475, 820479119, 409463537, 519011336, 207995574, 676075945, 573865793, 859615676, 937178370, 254676667, 361664011, 247757645, 807832664, 823378986, 553804392, 846880559, 787975932, 653917694, 636527187, 952330033, 103503637, 561719530, 68932534, 83040414, 231438915, 389821013, 925377561, 942722655, 395984742, 581085945, 336440498, 145041049, 95458618, 909033807, 307451509, 297905891, 519194781, 15254485, 80527014, 867190435, 565648478, 116363033, 22522660, 23400456, 66368402, 85236134, 217561183, 35604679, 960146403, 31549076, 894013996, 13564442, 791506429, 932281824, 471367224, 76874437, 675671298, 561189725, 270253654, 685195151, 303935889, 277050023, 619882550, 658318681, 876159999, 982371168, 710953743, 103955127, 175947231, 87173702, 606258895, 533286899, 275053460, 56133425, 985751894, 54859081, 260694339, 445176464, 471996759, 832484215, 127132888, 790868694, 903376452, 791292432, 873258058, 402781172, 933259293, 732236683, 651088116, 469228293, 258009983, 917049638, 564753087, 187008063, 591180573, 382553735, 737338319, 570739188, 726174728, 305294669, 359583017 }; int main(){ /*rep(i,200){ cout << solve(i) <<","<< endl; }*/ ll n;cin >> n; auto ip=interpolation(dp); cout << ip[n] << endl; }