結果
問題 | No.1331 Moving Penguin |
ユーザー | kiyoshi0205 |
提出日時 | 2021-01-08 22:34:18 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 449 ms / 1,500 ms |
コード長 | 5,321 bytes |
コンパイル時間 | 3,078 ms |
コンパイル使用メモリ | 191,516 KB |
実行使用メモリ | 83,200 KB |
最終ジャッジ日時 | 2024-11-15 05:03:55 |
合計ジャッジ時間 | 20,989 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
other | AC * 49 |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; #define double long double using datas=pair<ll,ll>; using ddatas=pair<double,double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define uniq(v) vsort(v);(v).erase(unique(all(v)),(v).end()) #define endl "\n" #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) constexpr ll mod=1000000007; // constexpr ll mod=998244353; constexpr ll inf=1LL<<60; constexpr double eps=1e-9; const double PI=acos(-1); template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";} template<class T> ostream& operator<<(ostream& os,const vector<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const set<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} #ifdef DEBUG void debugg(){cout<<endl;} template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);} #define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__) #else #define debug(...) (void(0)) #endif void startupcpp(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(15); } double distance(ddatas x,ddatas y){ double a=x.first-y.first,b=x.second-y.second; return sqrt(a*a+b*b); } ll modinv(ll a,ll m=mod) { ll b=m,u=1,v=0,t; while(b){ t=a/b; a-=t*b; swap(a,b); u-=t*v; swap(u,v); } return (u+m)%m; } ll moddevide(ll a,ll b){return (a*modinv(b))%mod;} vec modncrlistp,modncrlistm; ll modncr(ll n,ll r){ if(n<r)return 0; ll i,size=modncrlistp.size(); if(size<=n){ modncrlistp.resize(n+1); modncrlistm.resize(n+1); if(!size){ modncrlistp[0]=modncrlistm[0]=1; size++; } For(i,size,n+1){ modncrlistp[i]=modncrlistp[i-1]*i%mod; modncrlistm[i]=modinv(modncrlistp[i]); } } return modncrlistp[n]*modncrlistm[r]%mod*modncrlistm[n-r]%mod; } ll modpow(ll a,ll n,ll m=mod){ ll res=1; while(n>0){ if(n&1)res=res*a%m; a=a*a%m; n>>=1; } return res; } ll gcd(ll a,ll b){if(!b)return abs(a);return (a%b==0)?abs(b):gcd(b,a%b);} ll lcm(ll a,ll b){return a/gcd(a,b)*b;} ll countdigits(ll n,ll k=10){ ll ans=0; while(n){n/=k;ans++;} return ans; } ll sumdigits(ll n,ll k=10){ ll ans=0; while(n){ans+=n%k;n/=k;} return ans; } constexpr int bk=200; int solve(int N,vector<int> A){ vector<vector<int>> dp(bk+1,vector<int>(N,0)); dp[0][0]=1; for(int i=0;i<N;++i){ for(int j=1;j<=bk&&i-j>=0;++j){ dp[j][i]=dp[j][i-j]%mod; (dp[0][i]+=dp[j][i])%=mod; } dp[0][i]%=mod; if(A[i]<=bk){ (dp[A[i]][i]+=dp[0][i])%=mod; }else{ for(int j=i+A[i];j<N;j+=A[i])(dp[0][j]+=dp[0][i])%=mod; } if(i<N-1&&A[i]!=1)(dp[0][i+1]+=dp[0][i])%=mod; } // int i; // print("debug"); // rep(i,N)cout<<dp[0][i]<<" \n"[i==N-1]; // rep(i,N)cout<<dp[1][i]<<" \n"[i==N-1]; // rep(i,N)cout<<dp[2][i]<<" \n"[i==N-1]; // rep(i,N)cout<<dp[3][i]<<" \n"[i==N-1]; // rep(i,N)cout<<dp[4][i]<<" \n"[i==N-1]; // rep(i,N)cout<<dp[5][i]<<" \n"[i==N-1]; return dp[0][N-1]; } ll judge(int N,vector<int> A){ vector<int> dp2(N+1,0); dp2[0]=1; for(int i=0;i<N;++i){ for(int j=i+A[i];j<N;j+=A[i])(dp2[j]+=dp2[i])%=mod; if(A[i]!=1)(dp2[i+1]+=dp2[i])%=mod; } // ll i; // rep(i,N)cout<<dp[i]<<" \n"[i==N-1]; return (dp2[N-1]); } int main(){ startupcpp(); // int codeforces;cin>>codeforces;while(codeforces--){ int i,N; vector<int> A; // debug(solve(99,{1,34,52,38,89,51,56,76,56,48,87,27,40,44,84,90,56,43,7,68,73,43,14,74,45,99,92,1,95,11,52,94,43,3,30,32,53,85,6,7,34,92,34,73,34,16,61,87,58,66,54,29,7,67,1,51,67,92,51,60,2,1,54,44,3,84,73,53,67,78,60,1,68,93,72,1,9,31,87,64,96,41,91,1,7,91,51,73,82,2,31,81,1,85,25,1,67,95,54})); cin>>N; A.resize(N); rep(i,N)cin>>A[i]; print(solve(N,A)); // } }