結果
問題 | No.1269 I hate Fibonacci Number |
ユーザー | beet |
提出日時 | 2020-10-23 22:24:31 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 116 ms / 3,000 ms |
コード長 | 6,254 bytes |
コンパイル時間 | 2,679 ms |
コンパイル使用メモリ | 224,516 KB |
実行使用メモリ | 32,128 KB |
最終ジャッジ日時 | 2024-07-21 11:06:04 |
合計ジャッジ時間 | 4,842 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 5 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 14 ms
11,776 KB |
testcase_14 | AC | 104 ms
14,336 KB |
testcase_15 | AC | 16 ms
5,376 KB |
testcase_16 | AC | 112 ms
11,136 KB |
testcase_17 | AC | 4 ms
5,376 KB |
testcase_18 | AC | 116 ms
11,904 KB |
testcase_19 | AC | 85 ms
9,728 KB |
testcase_20 | AC | 20 ms
5,376 KB |
testcase_21 | AC | 63 ms
8,320 KB |
testcase_22 | AC | 65 ms
8,064 KB |
testcase_23 | AC | 64 ms
8,832 KB |
testcase_24 | AC | 31 ms
5,504 KB |
testcase_25 | AC | 41 ms
6,656 KB |
testcase_26 | AC | 5 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 6 ms
5,376 KB |
testcase_29 | AC | 40 ms
6,912 KB |
testcase_30 | AC | 14 ms
5,376 KB |
testcase_31 | AC | 87 ms
16,384 KB |
testcase_32 | AC | 40 ms
6,272 KB |
testcase_33 | AC | 41 ms
32,128 KB |
testcase_34 | AC | 4 ms
5,376 KB |
testcase_35 | AC | 14 ms
5,376 KB |
testcase_36 | AC | 3 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using Int = long long; const char newl = '\n'; 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> void drop(const T &x){cout<<x<<endl;exit(0);} template<typename T=int> vector<T> read(size_t n){ vector<T> ts(n); for(size_t i=0;i<n;i++) cin>>ts[i]; return ts; } template<size_t X> struct Trie{ struct Node{ char c; array<int, X> nxt; vector<int> idxs; int idx; Node(char c):c(c),idx(-1){fill(nxt.begin(),nxt.end(),-1);} }; using F = function<int(char)>; vector<Node> vs; F conv; Trie(F conv,char c='$'):conv(conv){vs.emplace_back(c);} inline int &next(int i,int j){ return vs[i].nxt[j]; } void add(const string &s,int x){ int pos=0; for(int i=0;i<(int)s.size();i++){ int k=conv(s[i]); if(~next(pos,k)){ pos=next(pos,k); continue; } int npos=vs.size(); next(pos,k)=npos; vs.emplace_back(s[i]); pos=npos; } vs[pos].idx=x; vs[pos].idxs.emplace_back(x); } int find(const string &s){ int pos=0; for(int i=0;i<(int)s.size();i++){ int k=conv(s[i]); if(next(pos,k)<0) return -1; pos=next(pos,k); } return pos; } int move(int pos,char c){ assert(pos<(int)vs.size()); return pos<0?-1:next(pos,conv(c)); } int size(){return vs.size();} int idx(int pos){ return pos<0?-1:vs[pos].idx; } vector<int> idxs(int pos){ return pos<0?vector<int>():vs[pos].idxs; } }; template<size_t X> struct AhoCorasick : Trie<X+1>{ using TRIE = Trie<X+1>; using TRIE::TRIE; using TRIE::next; vector<int> cnt; void build(int heavy=true){ auto &vs=TRIE::vs; int n=vs.size(); cnt.resize(n); for(int i=0;i<n;i++){ if(heavy) sort(vs[i].idxs.begin(),vs[i].idxs.end()); cnt[i]=vs[i].idxs.size(); } queue<int> que; for(int i=0;i<(int)X;i++){ if(~next(0,i)){ next(next(0,i),X)=0; que.emplace(next(0,i)); }else{ next(0,i)=0; } } while(!que.empty()){ auto &x=vs[que.front()]; int fail=x.nxt[X]; cnt[que.front()]+=cnt[fail]; que.pop(); for(int i=0;i<(int)X;i++){ int &nx=x.nxt[i]; if(nx<0){ nx=next(fail,i); continue; } que.emplace(nx); next(nx,X)=next(fail,i); if(heavy){ auto &idx=vs[nx].idxs; auto &idy=vs[next(fail,i)].idxs; vector<int> idz; set_union(idx.begin(),idx.end(), idy.begin(),idy.end(), back_inserter(idz)); idx=idz; } } } } vector<int> match(string s,int heavy=true){ auto &vs=TRIE::vs; vector<int> res(heavy?TRIE::size():1); int pos=0; for(auto &c:s){ pos=next(pos,TRIE::conv(c)); if(heavy) for(auto &x:vs[pos].idxs) res[x]++; else res[0]+=cnt[pos]; } return res; } int count(int pos){ return cnt[pos]; } }; 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;} template<typename F> struct FixPoint : F{ FixPoint(F&& f):F(forward<F>(f)){} template<typename... Args> decltype(auto) operator()(Args&&... args) const{ return F::operator()(*this,forward<Args>(args)...); } }; template<typename F> inline decltype(auto) MFP(F&& f){ return FixPoint<F>{forward<F>(f)}; } template<typename T> vector<T> make_v(size_t a){return vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a,Ts... ts){ return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); } template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value!=0>::type fill_v(U &u,const V... v){u=U(v...);} template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value==0>::type fill_v(U &u,const V... v){ for(auto &e:u) fill_v<T>(e,v...); } //INSERT ABOVE HERE signed main(){ cin.tie(0); ios::sync_with_stdio(0); using ll = long long; ll n,l,r; cin>>n>>l>>r; auto f=[&](char c){return c-'0';}; AhoCorasick<10> aho(f); { ll a=1,b=1; if(l<=a and a<=r) aho.add(to_string(a),0); while(a<=r){ if(l<=a) aho.add(to_string(a),0); ll c=a+b; a=b; b=c; } } aho.build(false); using M = Mint<int>; auto dp=make_v<M>(n,aho.size()); auto used=make_v<int>(n,aho.size()); fill_v<int>(used,0); MFP([&](auto dfs,int d,int cur)->M{ if(d==n) return M(1); M &res=dp[d][cur]; if(used[d][cur]) return res; used[d][cur]=1; res=0; for(int i=0;i<10;i++){ int nxt=aho.move(cur,'0'+i); if(aho.count(nxt)) continue; res+=dfs(d+1,nxt); } return res; })(0,0); cout<<dp[0][0]-M(1)<<newl; return 0; }