結果
問題 | No.2218 Multiple LIS |
ユーザー | hamamu |
提出日時 | 2023-02-17 21:41:30 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 44 ms / 3,000 ms |
コード長 | 40,944 bytes |
コンパイル時間 | 5,504 ms |
コンパイル使用メモリ | 296,592 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-19 12:51:42 |
合計ジャッジ時間 | 7,315 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 3 ms
6,816 KB |
testcase_01 | AC | 3 ms
6,944 KB |
testcase_02 | AC | 4 ms
6,944 KB |
testcase_03 | AC | 3 ms
6,940 KB |
testcase_04 | AC | 4 ms
6,944 KB |
testcase_05 | AC | 4 ms
6,940 KB |
testcase_06 | AC | 4 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 4 ms
6,944 KB |
testcase_11 | AC | 4 ms
6,940 KB |
testcase_12 | AC | 4 ms
6,940 KB |
testcase_13 | AC | 3 ms
6,940 KB |
testcase_14 | AC | 4 ms
6,940 KB |
testcase_15 | AC | 3 ms
6,940 KB |
testcase_16 | AC | 4 ms
6,944 KB |
testcase_17 | AC | 4 ms
6,940 KB |
testcase_18 | AC | 3 ms
6,940 KB |
testcase_19 | AC | 4 ms
6,940 KB |
testcase_20 | AC | 4 ms
6,940 KB |
testcase_21 | AC | 5 ms
6,940 KB |
testcase_22 | AC | 13 ms
6,940 KB |
testcase_23 | AC | 20 ms
6,940 KB |
testcase_24 | AC | 7 ms
6,944 KB |
testcase_25 | AC | 22 ms
6,940 KB |
testcase_26 | AC | 30 ms
6,940 KB |
testcase_27 | AC | 30 ms
6,940 KB |
testcase_28 | AC | 30 ms
6,944 KB |
testcase_29 | AC | 30 ms
6,944 KB |
testcase_30 | AC | 30 ms
6,940 KB |
testcase_31 | AC | 30 ms
6,940 KB |
testcase_32 | AC | 30 ms
6,940 KB |
testcase_33 | AC | 31 ms
6,944 KB |
testcase_34 | AC | 30 ms
6,944 KB |
testcase_35 | AC | 30 ms
6,940 KB |
testcase_36 | AC | 12 ms
6,940 KB |
testcase_37 | AC | 36 ms
6,940 KB |
testcase_38 | AC | 3 ms
6,944 KB |
testcase_39 | AC | 4 ms
6,940 KB |
testcase_40 | AC | 44 ms
6,940 KB |
testcase_41 | AC | 43 ms
6,944 KB |
ソースコード
#if !defined(MYLOCAL)//提出時用テンプレート #pragma GCC optimize("Ofast") #include "bits/stdc++.h" #if !defined(_MSC_VER) && __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using namespace std; using ll=long long; using dd=double; using vll=vector< ll>; using vdd=vector< dd>; using vvll=vector< vll>; using vvdd=vector<vdd>; using vvvll=vector< vvll>; using vvvdd=vector<vvdd>; using vvvvll=vector<vvvll>; using pll=pair<ll,ll>; using tll=tuple<ll,ll,ll>; using qll=tuple<ll,ll,ll,ll>; using vpll=vector< pll>; using vtll=vector< tll>; using vqll=vector< qll>; using vvpll=vector<vpll>; using vvtll=vector<vtll>; using vvqll=vector<vqll>; using namespace chrono; constexpr ll INF = 1001001001001001001; struct Fast{ Fast(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(numeric_limits<double>::max_digits10); } } fast; #define REPS(i, S, E) for (ll i = (S); i <= (E); i++) #define REP(i, N) REPS(i, 0, (N)-1) #define DEPS(i, S, E) for (ll i = (E); i >= (S); i--) #define DEP(i, N) DEPS(i, 0, (N)-1) #define EXPAND( x ) x//VS用おまじない #define overload3(_1,_2,_3,name,...) name #define overload4(_1,_2,_3,_4,name,...) name #define overload5(_1,_2,_3,_4,_5,name,...) name #define rep3(i, S, E) for (ll i = (S); i <= (E); i++) #define rep4(i, S, E, t) for (ll i = (S); i <= (E); i+=(t)) #define rep(...) EXPAND(overload4(__VA_ARGS__,rep4,rep3,_,_)(__VA_ARGS__)) #define dep3(i, E, S) for (ll i = (E); i >= (S); i--) #define dep4(i, E, S, t) for (ll i = (E); i >= (S); i-=(t)) #define dep(...) EXPAND(overload4(__VA_ARGS__, dep4, dep3,_,_)(__VA_ARGS__)) #define each2(e,v) for (auto && e:v) #define each3(a,b,v) for (auto &&[a,b]:v) #define each4(a,b,c,v) for (auto &&[a,b,c]:v) #define each5(a,b,c,d,v) for (auto &&[a,b,c,d]:v) #define each(...) EXPAND(overload5(__VA_ARGS__,each5,each4,each3,each2,_)(__VA_ARGS__)) #define ALL1(v) (v).begin(), (v).end() #define ALL2(v,E) (v).begin(), (v).begin()+((E)+1) #define ALL3(v,S,E) (v).begin()+(S), (v).begin()+((E)+1) #define ALL(...) EXPAND(overload3(__VA_ARGS__, ALL3, ALL2, ALL1)(__VA_ARGS__)) #define all ALL #define RALL1(v) (v).rbegin(), (v).rend() #define RALL2(v,E) (v).rbegin(), (v).rbegin()+((E)+1) #define RALL3(v,S,E) (v).rbegin()+(S), (v).rbegin()+((E)+1) #define RALL(...) EXPAND(overload3(__VA_ARGS__, RALL3, RALL2, RALL1)(__VA_ARGS__)) #define rall RALL template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; }return false; } template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; }return false; } template<class T> inline T MaxE(vector<T>&v,ll S,ll E){ T m=v[S]; rep(i,S,E)chmax(m,v[i]); return m; } template<class T> inline T MinE(vector<T>&v,ll S,ll E){ T m=v[S]; rep(i,S,E)chmin(m,v[i]); return m; } template<class T> inline T MaxE(vector<T> &v) { return MaxE(v,0,(ll)v.size()-1); } template<class T> inline T MinE(vector<T> &v) { return MinE(v,0,(ll)v.size()-1); } template<class T> inline auto maxe(T &&v,ll S,ll E){ return *max_element(ALL(v,S,E)); } template<class T> inline auto maxe(T &&v){ return *max_element(ALL(v)); } template<class T> inline auto mine(T &&v,ll S,ll E){ return *min_element(ALL(v,S,E)); } template<class T> inline auto mine(T &&v){ return *min_element(ALL(v)); } template<class T> inline T Sum(vector<T> &v,ll S,ll E){ T s=T(); rep(i,S,E)s+=v[i]; return s; } template<class T> inline T Sum(vector<T> &v) { return Sum(v,0,v.size()-1); } template<class T,class U=typename remove_reference<T>::type::value_type> inline U sum(T &&v,ll S,ll E) {return accumulate(all(v,S,E),U());} template<class T> inline auto sum(T &&v) {return sum(v,0,v.end()-v.begin()-1);} template<class T> inline ll sz(T &&v){ return (ll)v.size(); } inline ll CEIL(ll a,ll b){ return (a<0) ? -(-a/b) : (a+b-1)/b; } //負もOK inline ll FLOOR(ll a,ll b){ return -CEIL(-a,b); } //負もOK //pair用テンプレート template<class T,class S> inline pair<T,S>& operator+=(pair<T,S> &a,const pair<T,S> &b){ a.first+=b.first; a.second+=b.second; return a; } template<class T,class S> inline pair<T,S>& operator-=(pair<T,S> &a,const pair<T,S> &b){ a.first-=b.first; a.second-=b.second; return a; } template<class T,class S> inline pair<T,S>& operator*=(pair<T,S> &a,const pair<T,S> &b){ a.first*=b.first; a.second*=b.second; return a; } template<class T,class S> inline pair<T,S>& operator/=(pair<T,S> &a,const pair<T,S> &b){ a.first/=b.first; a.second/=b.second; return a; } template<class T,class S> inline pair<T,S>& operator%=(pair<T,S> &a,const pair<T,S> &b){ a.first%=b.first; a.second%=b.second; return a; } template<class T,class S,class R> inline pair<T,S>& operator+=(pair<T,S> &a,R b){ a.first+=b; a.second+=b; return a; } template<class T,class S,class R> inline pair<T,S>& operator-=(pair<T,S> &a,R b){ a.first-=b; a.second-=b; return a; } template<class T,class S,class R> inline pair<T,S>& operator*=(pair<T,S> &a,R b){ a.first*=b; a.second*=b; return a; } template<class T,class S,class R> inline pair<T,S>& operator/=(pair<T,S> &a,R b){ a.first/=b; a.second/=b; return a; } template<class T,class S,class R> inline pair<T,S>& operator%=(pair<T,S> &a,R b){ a.first%=b; a.second%=b; return a; } template<class T,class S,class R> inline pair<T,S> operator+(const pair<T,S> &a,R b){ pair<T,S> c=a; return c+=b; } template<class T,class S,class R> inline pair<T,S> operator-(const pair<T,S> &a,R b){ pair<T,S> c=a; return c-=b; } template<class T,class S,class R> inline pair<T,S> operator*(const pair<T,S> &a,R b){ pair<T,S> c=a; return c*=b; } template<class T,class S,class R> inline pair<T,S> operator/(const pair<T,S> &a,R b){ pair<T,S> c=a; return c/=b; } template<class T,class S,class R> inline pair<T,S> operator%(const pair<T,S> &a,R b){ pair<T,S> c=a; return c%=b; } template<class T,class S,class R> inline pair<T,S> operator-(R b,const pair<T,S> &a){ pair<T,S> c=-a; return c+=b; } template<class T,class S> inline pair<T,S> operator-(const pair<T,S> &a,const pair<T,S> &b){ pair<T,S> c=a; return c-=b; } template<class T,class S> inline pair<T,S> operator-(const pair<T,S> &a){ pair<T,S> c=a; return c*=(-1); } template<class T,class S> inline ostream &operator<<(ostream &os,const pair<T,S> &a){ return os << a.first << ' ' << a.second; } //tuple用テンプレート 出力用のみ template<class T,class S,class R> inline ostream &operator<<(ostream &os,const tuple<T,S,R> &a){ return os << get<0>(a) << ' ' << get<1>(a) << ' ' << get<2>(a); } template<class T,class S,class R,class Q> inline ostream &operator<<(ostream &os,const tuple<T,S,R,Q> &a){ return os << get<0>(a) << ' ' << get<1>(a) << ' ' << get<2>(a) << ' ' << get<3>(a); } //vector用テンプレート template<class T> inline vector<T>& operator+=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]+=b[i]; return a; } template<class T> inline vector<T>& operator-=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]-=b[i]; return a; } template<class T> inline vector<T>& operator*=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]*=b[i]; return a; } template<class T> inline vector<T>& operator/=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]/=b[i]; return a; } template<class T> inline vector<T>& operator%=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]%=b[i]; return a; } template<class T,class S> inline vector<T>& operator+=(vector<T> &a,S b){ for (T &e: a) e+=b; return a; } template<class T,class S> inline vector<T>& operator-=(vector<T> &a,S b){ for (T &e: a) e-=b; return a; } template<class T,class S> inline vector<T>& operator*=(vector<T> &a,S b){ for (T &e: a) e*=b; return a; } template<class T,class S> inline vector<T>& operator/=(vector<T> &a,S b){ for (T &e: a) e/=b; return a; } template<class T,class S> inline vector<T>& operator%=(vector<T> &a,S b){ for (T &e: a) e%=b; return a; } template<class T,class S> inline vector<T> operator+(const vector<T> &a,S b){ vector<T> c=a; return c+=b; } template<class T,class S> inline vector<T> operator-(const vector<T> &a,S b){ vector<T> c=a; return c-=b; } template<class T,class S> inline vector<T> operator*(const vector<T> &a,S b){ vector<T> c=a; return c*=b; } template<class T,class S> inline vector<T> operator/(const vector<T> &a,S b){ vector<T> c=a; return c/=b; } template<class T,class S> inline vector<T> operator%(const vector<T> &a,S b){ vector<T> c=a; return c%=b; } template<class T,class S> inline vector<T> operator-(S b,const vector<T> &a){ vector<T> c=-a; return c+=b; } template<class T> inline vector<T> operator-(const vector<T> &a,const vector<T> &b){ vector<T> c=a; return c-=b; } template<class T> inline vector<T> operator-(const vector<T> &a){ vector<T> c=a; return c*=(-1); } template<class T> inline ostream &operator<<(ostream &os,const vector<T> &a){ for (ll i=0; i<(ll)a.size(); i++) os<<(i>0?" ":"")<<a[i]; return os; } //array用テンプレート template<class T,size_t S> inline array<T,S>& operator+=(array<T,S> &a,const array<T,S> &b){ for (ll i=0; i<(ll)S; i++) a[i]+=b[i]; return a; } template<class T,size_t S> inline array<T,S>& operator-=(array<T,S> &a,const array<T,S> &b){ for (ll i=0; i<(ll)S; i++) a[i]-=b[i]; return a; } template<class T,size_t S> inline array<T,S>& operator*=(array<T,S> &a,const array<T,S> &b){ for (ll i=0; i<(ll)S; i++) a[i]*=b[i]; return a; } template<class T,size_t S> inline array<T,S>& operator/=(array<T,S> &a,const array<T,S> &b){ for (ll i=0; i<(ll)S; i++) a[i]/=b[i]; return a; } template<class T,size_t S> inline array<T,S>& operator%=(array<T,S> &a,const array<T,S> &b){ for (ll i=0; i<(ll)S; i++) a[i]%=b[i]; return a; } template<class T,size_t S,class R> inline array<T,S>& operator+=(array<T,S> &a,R b){ for (T &e: a) e+=b; return a; } template<class T,size_t S,class R> inline array<T,S>& operator-=(array<T,S> &a,R b){ for (T &e: a) e-=b; return a; } template<class T,size_t S,class R> inline array<T,S>& operator*=(array<T,S> &a,R b){ for (T &e: a) e*=b; return a; } template<class T,size_t S,class R> inline array<T,S>& operator/=(array<T,S> &a,R b){ for (T &e: a) e/=b; return a; } template<class T,size_t S,class R> inline array<T,S>& operator%=(array<T,S> &a,R b){ for (T &e: a) e%=b; return a; } template<class T,size_t S,class R> inline array<T,S> operator+(const array<T,S> &a,R b){ array<T,S> c=a; return c+=b; } template<class T,size_t S,class R> inline array<T,S> operator-(const array<T,S> &a,R b){ array<T,S> c=a; return c-=b; } template<class T,size_t S,class R> inline array<T,S> operator*(const array<T,S> &a,R b){ array<T,S> c=a; return c*=b; } template<class T,size_t S,class R> inline array<T,S> operator/(const array<T,S> &a,R b){ array<T,S> c=a; return c/=b; } template<class T,size_t S,class R> inline array<T,S> operator%(const array<T,S> &a,R b){ array<T,S> c=a; return c%=b; } template<class T,size_t S,class R> inline array<T,S> operator-(R b,const array<T,S> &a){ array<T,S> c=-a; return c+=b; } template<class T,size_t S> inline array<T,S> operator-(const array<T,S> &a,const array<T,S> &b){ array<T,S> c=a; return c-=b; } template<class T,size_t S> inline array<T,S> operator-(const array<T,S> &a){ array<T,S> c=a; return c*=(-1); } template<class T,size_t S> inline ostream &operator<<(ostream &os,const array<T,S> &a){ for (ll i=0; i<(ll)S; i++) os<<(i>0?" ":"")<<a[i]; return os; } template<class T,size_t S,class R> struct view1d; template<class T,size_t S,class R> struct view1dIter{ view1d<T,S,R> *vw=nullptr; ll idx=INF; view1dIter(){} view1dIter(view1d<T,S,R> *vw_,ll idx_):vw(vw_),idx(idx_){} view1dIter(const view1dIter<T,S,R> &it):vw(it.vw),idx(it.idx){} R &operator*() { return (*vw)[idx]; } R &operator*() const{ return (*vw)[idx]; } R &operator[](ll i) { return (*vw)[idx+i]; } R &operator[](ll i)const{ return (*vw)[idx+i]; } auto &operator++(){ idx++; return *this; } auto &operator--(){ idx--; return *this; } auto operator++(int){ auto it=*this; idx++; return it; } auto operator--(int){ auto it=*this; idx--; return it; } auto &operator+=(ll n){ idx+=n; return *this; } auto &operator-=(ll n){ idx-=n; return *this; } auto operator+(ll n){ auto it=*this; return it+=n; } auto operator-(ll n){ auto it=*this; return it-=n; } ll operator- (const view1dIter<T,S,R> &it)const{ return idx- it.idx; } bool operator< (const view1dIter<T,S,R> &it)const{ return idx< it.idx; } bool operator> (const view1dIter<T,S,R> &it)const{ return idx> it.idx; } bool operator<=(const view1dIter<T,S,R> &it)const{ return idx<=it.idx; } bool operator>=(const view1dIter<T,S,R> &it)const{ return idx>=it.idx; } bool operator!=(const view1dIter<T,S,R> &it)const{ return idx!=it.idx; } bool operator==(const view1dIter<T,S,R> &it)const{ return idx==it.idx; } using iterator_category = random_access_iterator_tag; using value_type = R; using difference_type = ll; using pointer = R*; using reference = R&; }; template<class T,size_t S,class R> struct view1d{ using Sll=array<ll,S>; T &data; //参照先データ Sll dsize; //参照先データ各軸のサイズ Sll s=Sll(); //view先頭 Sll d=Sll(); //view方向 ll len; //view長さ R &dummy; //範囲外の値参照 R dummyj=R(); //範囲外の値実体 /*---- コンストラクタ ----*/ view1d(T &v): data(v),dummy(dummyj){ SetDsize(v,dsize); d[S-1]=1; len=dsize[S-1]; } //このコンストラクタは、マイナス座標指定を末尾にしない(暫定) //代入時Array<ll,2>{...}等と書くため、使い勝手悪い。将来廃止するかも。 view1d(T &v,Sll s,Sll e,Sll d): data(v),s(s),d(d),len(Len(s,e,d)),dummy(dummyj){ SetDsize(v,dsize); } view1d(T &v,Sll s,Sll d,ll len,R &dmy_): data(v),s(s),d(d),len(len),dummy(dmy_){ SetDsize(v,dsize); } /*---- 演算 ----*/ template<class Q> auto &operator =(const Q &b){ rep(i,0,len-1) (*this)[i] =b; return *this; } template<class Q> auto &operator+=(const Q &b){ rep(i,0,len-1) (*this)[i]+=b; return *this; } template<class Q> auto &operator-=(const Q &b){ rep(i,0,len-1) (*this)[i]-=b; return *this; } template<class Q> auto &operator*=(const Q &b){ rep(i,0,len-1) (*this)[i]*=b; return *this; } template<class Q> auto &operator/=(const Q &b){ rep(i,0,len-1) (*this)[i]/=b; return *this; } template<class Q> auto &operator%=(const Q &b){ rep(i,0,len-1) (*this)[i]%=b; return *this; } auto &operator =(const string &b){ return CpSeq(b); } template<size_t Q> auto &operator =(const char (&b)[Q]){ return *this=string(b); } template<class Q> auto &operator =(const vector<Q> &b){ return CpSeq(b); } template<class Q> auto &operator+=(const vector<Q> &b){ return PlSeq(b); } template<class Q> auto &operator-=(const vector<Q> &b){ return MnSeq(b); } template<class Q> auto &operator*=(const vector<Q> &b){ return PrSeq(b); } template<class Q> auto &operator/=(const vector<Q> &b){ return DvSeq(b); } template<class Q> auto &operator%=(const vector<Q> &b){ return RmSeq(b); } template<class Q,size_t P,class O> auto &operator =(const view1d<Q,P,O> &b){ return CpSeq(b); } template<class Q,size_t P,class O> auto &operator+=(const view1d<Q,P,O> &b){ return PlSeq(b); } template<class Q,size_t P,class O> auto &operator-=(const view1d<Q,P,O> &b){ return MnSeq(b); } template<class Q,size_t P,class O> auto &operator*=(const view1d<Q,P,O> &b){ return PrSeq(b); } template<class Q,size_t P,class O> auto &operator/=(const view1d<Q,P,O> &b){ return DvSeq(b); } template<class Q,size_t P,class O> auto &operator%=(const view1d<Q,P,O> &b){ return RmSeq(b); } template<class Q> auto &CpSeq(const Q &b){ rep(i,0,min(sz(b),len)-1) (*this)[i] =b[i]; return *this; } template<class Q> auto &PlSeq(const Q &b){ rep(i,0,min(sz(b),len)-1) (*this)[i]+=b[i]; return *this; } template<class Q> auto &MnSeq(const Q &b){ rep(i,0,min(sz(b),len)-1) (*this)[i]-=b[i]; return *this; } template<class Q> auto &PrSeq(const Q &b){ rep(i,0,min(sz(b),len)-1) (*this)[i]*=b[i]; return *this; } template<class Q> auto &DvSeq(const Q &b){ rep(i,0,min(sz(b),len)-1) (*this)[i]/=b[i]; return *this; } template<class Q> auto &RmSeq(const Q &b){ rep(i,0,min(sz(b),len)-1) (*this)[i]%=b[i]; return *this; } //template<class Q,class P> static bool eq(const Q &a,const P &b){ // return equals(ALL(a),ALL(b)); //} template<class Q,class P> static bool eq(const Q &a,const P &b){ if ((ll)a.size()!=(ll)b.size()) return false; rep(i,0,(ll)a.size()-1){ if (a[i]!=b[i]) return false; } return true; } template<class Q,class P> static bool lt(const Q &a,const P &b){ ll n=min((ll)a.size(),(ll)b.size()); rep(i,0,n-1){ if (a[i]<b[i])return true; if (a[i]>b[i])return false; } return (ll)a.size()<(ll)b.size(); } template<class Q,size_t P,class O> bool operator==( const view1d<Q,P,O> &b){ return eq(*this,b); } template<class Q> bool operator==( const Q &b){ return eq(*this,b); } template<class Q> friend bool operator==(const Q &a,const view1d<T,S,R> &b){ return eq( a,b); } template<size_t Q> bool operator==( const char (&b)[Q]){ return eq(*this,string(b)); } template<class Q,size_t P,class O> bool operator!=( const view1d<Q,P,O> &b){ return !(*this==b); } template<class Q> bool operator!=( const Q &b){ return !(*this==b); } template<class Q> friend bool operator!=(const Q &a,const view1d<T,S,R> &b){ return !( a==b); } template<class Q,size_t P,class O> bool operator< ( const view1d<Q,P,O> &b){ return lt(*this,b); } template<class Q> bool operator< ( const Q &b){ return lt(*this,b); } template<class Q> friend bool operator< (const Q &a,const view1d<T,S,R> &b){ return lt( a,b); } template<class Q,size_t P,class O> bool operator> ( const view1d<Q,P,O> &b){ return lt(b,*this); } template<class Q> bool operator> ( const Q &b){ return lt(b,*this); } template<class Q> friend bool operator> (const Q &a,const view1d<T,S,R> &b){ return lt(b,a ); } template<class Q,size_t P,class O> bool operator<=( const view1d<Q,P,O> &b){ return !(*this>b); } template<class Q> bool operator<=( const Q &b){ return !(*this>b); } template<class Q> friend bool operator<=(const Q &a,const view1d<T,S,R> &b){ return !( a>b); } template<class Q,size_t P,class O> bool operator>=( const view1d<Q,P,O> &b){ return !(*this<b); } template<class Q> bool operator>=( const Q &b){ return !(*this<b); } template<class Q> friend bool operator>=(const Q &a,const view1d<T,S,R> &b){ return !( a<b); } /*---- getter ----*/ ll size() const { return len; } R &operator[](ll i){ return const_cast<R&>(OrgAt(s+d*i)); } const R &operator[](ll i) const { return OrgAt(s+d*i); } R &at(ll i){ if(i<0)i+=len; return (*this)[i]; } //vector<R> tov(){ vector<R> vvv(len); rep(i,0,len-1) vvv[i]=(*this)[i]; return vvv; } operator vector<R>(){ vector<R> v(len); rep(i,0,len-1) v[i]=(*this)[i]; return v; } bool contains(R a){ rep(i,0,len-1) if((*this)[i]==a)return true; return false; } auto begin(){ return view1dIter<T,S,R>(this,0); } auto end(){ return view1dIter<T,S,R>(this,len); } /*---- view設定 ----*/ view1d<T,S,R> &dmy(R dmy_) { dummy=dmy_; return *this; }//ダミー値セット template<class...Q> view1d<T,S,R> &st(Q... s_){//始点set 負は末尾からの位置 this->s=RevIfNeg(SllD(s_...)); this->len=AutoLen(this->s,this->d,this->dsize); return *this; } template<class...Q> view1d<T,S,R> &en(Q... e_){//終了条件再設定 負は末尾から this->len=Len(s, RevIfNeg(SllD(e_...)), d); return *this; } template<class...Q> view1d<T,S,R> &dir(Q... d_){//方向set、長さはdata端まで this->d=SllD(d_...); this->len=AutoLen(this->s,this->d,this->dsize); return *this; } template<class...Q> view1d<T,S,R> &mv(Q... s_){ this->s+=SllD(s_...); return *this; }//平行移動 view1d<T,S,R> &size(ll len_) { len=len_; return *this; }//長さset template<class Q> view1d<T,S,R> &size(Q &v){ len=(ll)v.size(); return *this; }//長さset view1d<T,S,R> &rev() { s+=d*(len-1); d*=-1; return *this; }//反転 /*---- utility ----*/ template<class Q> inline static ll sz(Q &v){ return (ll)v.size(); } Sll RevIfNeg(Sll pos){//!< 負なら末尾からの位置に変換 rep(i,0,S-1) if (pos[i]<0) pos[i]+=dsize[i]; return pos; } static ll AutoLen(Sll s_,Sll d_,Sll dsz){//位置s_から方向d_ではみ出すまでの長さ Sll e=dsz-1; rep(i,0,S-1) e[i] *= (d_[i]>=0);//方向が負の軸を0にする return Len(s_,e,d_); } /*---- 先頭位置s、方向d、終了条件eから長さlen計算 ----*/ //template<size_t Q> static ll Len(array<ll,Q> s,array<ll,Q> e,array<ll,Q> d){ // ll ret=INF; // rep(i,0,Q-1) chmin(ret, Len1(s[i],e[i],d[i])); // return ret; //} static ll Len(Sll s,Sll e,Sll d){ ll ret=INF; rep(i,0,S-1) chmin(ret, Len1(s[i],e[i],d[i])); return ret; } static ll Len1(ll s,ll e,ll d){ if (d==0) return INF; if (d<0){ s=-s; e=-e; d=-d; } if (s>e) return 0; return (e-s)/d+1; } /*---- 可変長引数をSllに変換 ----*/ template<class...Q> static Sll SllD(Q... args){ return SllRec(0,args...); } template<class...Q> static Sll SllRec(ll i,ll first,Q... rest) { Sll sll = (i==S-1) ? Sll() : SllRec(i+1,rest...); sll[i]=first; return sll; } static Sll SllRec(ll i){ return Sll(); } /*---- dataの位置posの値取得 ----*/ const R &OrgAt(Sll pos) const { rep(i,0,S-1){ if (pos[i]<0 || dsize[i]<=pos[i]) return dummy; } return OrgAt_(data,pos); } template<class Q> using V = vector<Q>; template<class Q> using VV = V<V<Q>>; template<class Q> using VVV = V<V<V<Q>>>; using Vs = V<string>; using VVs = VV<string>; using ll1 = array<ll,1>; using ll2 = array<ll,2>; using ll3 = array<ll,3>; auto &OrgAt_(V<R> &dat,ll1 pos)const{ auto [i] =pos; return dat[i]; } auto &OrgAt_(string &dat,ll1 pos)const{ auto [i] =pos; return dat[i]; } auto &OrgAt_(VV<R> &dat,ll2 pos)const{ auto [i,j] =pos; return dat[i][j]; } auto &OrgAt_(Vs &dat,ll2 pos)const{ auto [i,j] =pos; return dat[i][j]; } auto &OrgAt_(VVV<R> &dat,ll3 pos)const{ auto [i,j,k]=pos; return dat[i][j][k]; } auto &OrgAt_(VVs &dat,ll3 pos)const{ auto [i,j,k]=pos; return dat[i][j][k]; } /*---- dataの各軸size取得 ----*/ static void SetDsize(V<R> &dat,ll1 &dsz){ dsz={sz(dat)}; } static void SetDsize(string &dat,ll1 &dsz){ dsz={sz(dat)}; } static void SetDsize(VV<R> &dat,ll2 &dsz){ dsz={sz(dat),sz(dat[0])}; } static void SetDsize(Vs &dat,ll2 &dsz){ dsz={sz(dat),sz(dat[0])}; } static void SetDsize(VVV<R> &dat,ll3 &dsz){ dsz={sz(dat),sz(dat[0]),sz(dat[0][0])}; } static void SetDsize(VVs &dat,ll3 &dsz){ dsz={sz(dat),sz(dat[0]),sz(dat[0][0])}; } typedef view1dIter<T,S,R> iterator; using value_type = R; }; template<class Q> using V = vector<Q>; template<class Q> using VV = V<V<Q>>; template<class Q> using VVV = V<V<V<Q>>>; template<class T> view1d( VVV<T> ) -> view1d< VVV<T>,3,T>; template<class T> view1d( VV<T> ) -> view1d< VV<T>,2,T>; template<class T> view1d( V<T> ) -> view1d< V<T>,1,T>; ; view1d(VV<string> ) -> view1d<VV<string>,3,char>; ; view1d( V<string> ) -> view1d< V<string>,2,char>; ; view1d( string ) -> view1d< string ,1,char>; template<class T,class S> view1d( VVV<T>,S,S,S) -> view1d< VVV<T>,3,T>; template<class T,class S> view1d( VV<T>,S,S,S) -> view1d< VV<T>,2,T>; template<class T,class S> view1d( V<T>,S,S,S) -> view1d< V<T>,1,T>; template<class S> view1d(VV<string>,S,S,S) -> view1d<VV<string>,3,char>; template<class S> view1d( V<string>,S,S,S) -> view1d< V<string>,2,char>; template<class S> view1d( string ,S,S,S) -> view1d< string ,1,char>; template<class VIEW2D> struct view2dIter{ VIEW2D *vw=nullptr; ll idx=INF; view2dIter(){} view2dIter(VIEW2D *vw_,ll idx_):vw(vw_),idx(idx_){} view2dIter(const view2dIter &it):vw(it.vw),idx(it.idx){} auto &operator*() { return (*vw)[x(idx)][y(idx)]; } auto &operator*() const{ return (*vw)[x(idx)][y(idx)]; } auto &operator[](ll i) { return (*vw)[x(idx+i)][y(idx+i)]; } auto &operator[](ll i)const{ return (*vw)[x(idx+i)][y(idx+i)]; } auto &operator++(){ idx++; return *this; } auto &operator--(){ idx--; return *this; } auto operator++(int){ auto it=*this; idx++; return it; } auto operator--(int){ auto it=*this; idx--; return it; } auto &operator+=(ll n){ idx+=n; return *this; } auto &operator-=(ll n){ idx-=n; return *this; } auto operator+(ll n){ auto it=*this; return it+=n; } auto operator-(ll n){ auto it=*this; return it-=n; } ll operator- (const view2dIter &it)const{ return idx- it.idx; } bool operator< (const view2dIter &it)const{ return idx< it.idx; } bool operator> (const view2dIter &it)const{ return idx> it.idx; } bool operator<=(const view2dIter &it)const{ return idx<=it.idx; } bool operator>=(const view2dIter &it)const{ return idx>=it.idx; } bool operator!=(const view2dIter &it)const{ return idx!=it.idx; } bool operator==(const view2dIter &it)const{ return idx==it.idx; } ll x(ll i)const{ return i/vw->leny(); } ll y(ll i)const{ return i%vw->leny(); } using iterator_category = random_access_iterator_tag; using value_type = typename VIEW2D::value_type; using difference_type = ll; using pointer = value_type*; using reference = value_type&; }; template<class T,size_t S,class R> struct view2d{ using Sll=array<ll,S>; T &data; //参照先データ Sll dsize; //参照先データ各軸のサイズ Sll s=Sll(); //view始点 Sll dx=Sll(); //view x軸方向 Sll dy=Sll(); //view y軸方向 ll xl; //view x軸長さ ll yl; //view y軸長さ R dummy=R(); //範囲外の値 /*---- コンストラクタ ----*/ view2d(T &v): data(v){ view1d<T,S,R>::SetDsize(v,dsize); dx[S-2]=1; dy[S-1]=1; xl=dsize[S-2]; yl=dsize[S-1]; } /*---- 演算 ----*/ //template<class Q> auto &operator =(const Q &b){ rep(i,0,xl-1) (*this)[i] =b; return *this; } //template<class Q,size_t P,class O> auto &operator+=(const view2d<Q,P,O> &b){ // rep(i,0,xl-1) (*this)[i] // return PlSeq(b); } /*---- getter ----*/ ll size() const { return xl; } array<ll,2> shape() const { return {xl,yl}; } ll lenx() const { return xl; } ll leny() const { return yl; } ///pll shape() const { return {xl,yl}; } view1d<T,S,R> operator[](ll i){ return view1d(data,s+dx*i,dy,yl,dummy); } const view1d<T,S,R> operator[](ll i) const { return view1d(data,s+dx*i,dy,yl,dummy); } R &at(ll i,ll j){ if(i<0)i+=xl; if(j<0)j+=yl; return (*this)[i][j]; } //vector<vector<R>> tovv(){ // vector<vector<R>> vvv(xl); // ///rep(i,0,xl-1) vvv[i]=(*this)[i].tov(); return vvv; // rep(i,0,xl-1) vvv[i]=(*this)[i]; return vvv; //} operator vector<vector<R>>(){ vector<vector<R>> v(xl); rep(i,0,xl-1) v[i]=(*this)[i]; return v; } auto begin(){ return view2dIter(this,0); } auto end(){ return view2dIter(this,xl*yl); } #if defined(_DEBUG) void dump(){ ::dump(tovv()); } #endif /*---- view設定 ----*/ view2d<T,S,R> &dmy(R dmy_) { dummy=dmy_; return *this; }//ダミー値セット template<class...Q> view2d<T,S,R> &st(Q... s_){//始点set 負は末尾からの位置 this->s=RevIfNeg(view1d<T,S,R>::SllD(s_...)); this->xl=view1d<T,S,R>::AutoLen(this->s,this->dx,this->dsize); this->yl=view1d<T,S,R>::AutoLen(this->s,this->dy,this->dsize); return *this; } template<class...Q> view2d<T,S,R> &dirx(Q... d_){//x軸set、長さはdata端まで this->dx=view1d<T,S,R>::SllD(d_...); this->xl=view1d<T,S,R>::AutoLen(this->s,this->dx,this->dsize); return *this; } template<class...Q> view2d<T,S,R> &diry(Q... d_){//y軸set、長さはdata端まで this->dy=view1d<T,S,R>::SllD(d_...); this->yl=view1d<T,S,R>::AutoLen(this->s,this->dy,this->dsize); return *this; } template<class...Q> view2d<T,S,R> &mv(Q... s_){//平行移動 this->s += view1d<T,S,R>::SllD(s_...); return *this; } view2d<T,S,R> &lenx(ll xl_) { xl=xl_; return *this; } view2d<T,S,R> &leny(ll yl_) { yl=yl_; return *this; } view2d<T,S,R> &shape(ll xl_,ll yl_) { xl=xl_; yl=yl_; return *this; } template<class Q> view2d<T,S,R> &shape(Q &v) { xl=v.lenx(); yl=v.leny(); return *this; } view2d<T,S,R> &rot90 () { s+=dx*(xl-1); swap(xl,yl); swap(dx,dy); dy*=-1; return *this; } view2d<T,S,R> &rot270() { s+=dy*(yl-1); swap(xl,yl); swap(dx,dy); dx*=-1; return *this; } view2d<T,S,R> &rot180() { s+=dx*(xl-1)+dy*(yl-1); dx*=-1; dy*=-1; return *this; } view2d<T,S,R> &revx() { s+=dx*(xl-1); dx*=-1; return *this; } view2d<T,S,R> &revy() { s+=dy*(yl-1); dy*=-1; return *this; } view2d<T,S,R> &swapxy() { swap(xl,yl); swap(dx,dy); return *this; }//xy軸入替 /*---- utility ----*/ Sll RevIfNeg(Sll pos){//!< 負なら末尾からの位置に変換 rep(i,0,S-1) if (pos[i]<0) pos[i]+=dsize[i]; return pos; } using value_type = R; }; template<class T> view2d( VVV<T>) -> view2d< VVV<T>,3,T>; template<class T> view2d( VV<T>) -> view2d< VV<T>,2,T>; ; view2d(VV<string>) -> view2d<VV<string>,3,char>; ; view2d( V<string>) -> view2d< V<string>,2,char>; /* zipは参照のpairを返す。それをさらに参照するのはまずいので、コピーする。 */ template<class ZIP> struct zipIter{ ZIP *z=nullptr; ll idx=INF; zipIter(){} zipIter(ZIP *z_,ll idx_):z(z_),idx(idx_){} zipIter(const zipIter<ZIP> &it):z(it.z),idx(it.idx){} auto operator*() { return (*z)[idx]; }//参照ではなく値戻し auto operator*() const{ return (*z)[idx]; }//同上 auto operator[](ll i) { return (*z)[idx+i]; }//同上 auto operator[](ll i)const{ return (*z)[idx+i]; }//同上 auto &operator++(){ idx++; return *this; } auto &operator--(){ idx--; return *this; } auto operator++(int){ auto it=*this; idx++; return it; } auto operator--(int){ auto it=*this; idx--; return it; } auto &operator+=(ll n){ idx+=n; return *this; } auto &operator-=(ll n){ idx-=n; return *this; } auto operator+(ll n){ auto it=*this; return it+=n; } auto operator-(ll n){ auto it=*this; return it-=n; } ll operator- (const zipIter<ZIP> &it)const{ return idx- it.idx; } bool operator< (const zipIter<ZIP> &it)const{ return idx< it.idx; } bool operator> (const zipIter<ZIP> &it)const{ return idx> it.idx; } bool operator<=(const zipIter<ZIP> &it)const{ return idx<=it.idx; } bool operator>=(const zipIter<ZIP> &it)const{ return idx>=it.idx; } bool operator!=(const zipIter<ZIP> &it)const{ return idx!=it.idx; } bool operator==(const zipIter<ZIP> &it)const{ return idx==it.idx; } using iterator_category = random_access_iterator_tag; using value_type = typename ZIP::value_type; using difference_type = ll; using pointer = value_type*; using reference = value_type&; }; template<class T,class S> struct zip2{ T &t; S &s; zip2(T &t_,S &s_):t(t_),s(s_){} ll size() const { return t.end()-t.begin(); } auto operator[](ll i) { return make_pair(ref(t.begin()[i]),ref(s.begin()[i])); } auto operator[](ll i)const{ return make_pair(ref(t.begin()[i]),ref(s.begin()[i])); } auto begin(){ return zipIter(this,0); } auto end(){ return zipIter(this,size()); } using value_type = pair<typename T::value_type,typename S::value_type>; }; template<class T,class S,class R> struct zip3{ T &t; S &s; R &r; zip3(T &t_,S &s_,R &r_):t(t_),s(s_),r(r_){} ll size() const { return t.end()-t.begin(); } auto operator[](ll i) { return make_tuple(ref(t.begin()[i]),ref(s.begin()[i]),ref(r.begin()[i])); } auto operator[](ll i)const{ return make_tuple(ref(t.begin()[i]),ref(s.begin()[i]),ref(r.begin()[i])); } auto begin(){ return zipIter(this,0); } auto end(){ return zipIter(this,size()); } using value_type = tuple<typename T::value_type,typename S::value_type,typename R::value_type>; }; #endif//テンプレートend #if defined(_MSC_VER) && __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif struct{ system_clock::time_point st = system_clock::now(); ll operator()()const{return duration_cast<microseconds>(system_clock::now()-st).count()/1000;} } timeget; template<ll MOD> struct mll_{ ll val; mll_(ll v = 0): val(v % MOD){ if (val < 0) val += MOD; } bool isnone() const { return val==-1; } //true:値なし mll_ &none() { val=-1; return *this; } //値なしにする mll_ operator - () const { return -val; } mll_ operator + (const mll_ &b) const { return val + b.val; } mll_ operator - (const mll_ &b) const { return val - b.val; } mll_ operator * (const mll_ &b) const { return val * b.val; } mll_ operator / (const mll_ &b) const { return mll_(*this) /= b; } mll_ operator + (ll b) const { return *this + mll_(b); } mll_ operator - (ll b) const { return *this - mll_(b); } mll_ operator * (ll b) const { return *this * mll_(b); } friend mll_ operator + (ll a,const mll_ &b) { return b + a; } friend mll_ operator - (ll a,const mll_ &b) { return -b + a; } friend mll_ operator * (ll a,const mll_ &b) { return b * a; } friend mll_ operator / (ll a,const mll_ &b) { return mll_(a)/b; } mll_ &operator += (const mll_ &b) { val=(val+b.val)%MOD; return *this; } mll_ &operator -= (const mll_ &b) { val=(val+MOD-b.val)%MOD; return *this; } mll_ &operator *= (const mll_ &b) { val=(val*b.val)%MOD; return *this; } mll_ &operator /= (const mll_ &b) { ll c=b.val,d=MOD,u=1,v=0; while (d){ ll t = c / d; c -= t * d; swap(c,d); u -= t * v; swap(u,v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } mll_ &operator += (ll b) { return *this += mll_(b); } mll_ &operator -= (ll b) { return *this -= mll_(b); } mll_ &operator *= (ll b) { return *this *= mll_(b); } mll_ &operator /= (ll b) { return *this /= mll_(b); } bool operator == (const mll_ &b) const { return val == b.val; } bool operator != (const mll_ &b) const { return val != b.val; } bool operator == (ll b) const { return *this == mll_(b); } bool operator != (ll b) const { return *this != mll_(b); } friend bool operator == (ll a,const mll_ &b) { return mll_(a) == b.val; } friend bool operator != (ll a,const mll_ &b) { return mll_(a) != b.val; } friend ostream &operator << (ostream &os,const mll_ &a) { return os << a.val; } friend istream &operator >> (istream &is,mll_ &a) { return is >> a.val; } static mll_ Combination(ll a,ll b){ chmin(b,a-b); if (b<0) return mll_(0); mll_ c = 1, d = 1; rep(i,0,b-1) c *= a-i; rep(i,0,b-1) d *= i+1; return c/d; } enum{modll=MOD}; }; #if 0 #define MODLL (1000000007LL) #else #define MODLL (998244353LL) #endif using mll = mll_<MODLL>; using vmll = std::vector<mll>; using vvmll = std::vector<vmll>; using vvvmll = std::vector<vvmll>; using vvvvmll = std::vector<vvvmll>; ////////////////////////////////////////// #ifdef _MSC_VER #include <intrin.h> #endif struct primefactorization{ using ull = unsigned long long; ll fmax=0; //篩のmax vll mnpr; //最小素因数表 vll primes; //素数リスト vpll pfact; //素因数分解結果 例:{<2,3>,<3,1>,<5,2>}→2^3×3^1×5^2 vll divs; //約数列挙結果 primefactorization(){} //篩無し primefactorization(ll fmx){ init(fmx); } //篩使用 void init(ll fmx){ //エラトステネスの篩で最小素因数表+素数リストを作成 fmax=fmx; mnpr.resize(fmx+1); primes.reserve(fmx/10+1); for (ll i=2; i<=fmax; i++){ if (mnpr[i]) continue; primes.push_back(i); mnpr[i]=i; for (ll j=i*i; j<=fmax; j+=i) if (mnpr[j]==0) mnpr[j]=i; } } vll &primelist(){ return primes; } bool isprime(ll a){ if (a<=fmax) return mnpr[a]==a; else return MillerRabin((ull)a); } vpll &operator()(ll a){//素因数分解 return this->pfact=Factorization(a); } vll pfacts(ll a){//素因数リスト(指数は返さない) (*this)(a);//素因数分解実行 vll ret; for (auto&&[p,_]:pfact) ret.push_back(p); return ret; } vll &divisor(ll a){//約数列挙 divs.assign(1,1); (*this)(a);//素因数分解実行 for (auto [p,nm]: pfact){ ll prenm=(ll)divs.size(); rep(i,0,prenm*nm-1) divs.push_back(divs[i]*p); } return divs; } vpll Factorization(ll a){ if (a<(1LL<<31)) return FactorizationCore((int)a); else return FactorizationCore(a); } template<class T> vpll FactorizationCore(T a){//素因数分解 vpll ret; if (a<=1) return ret; if (a<=fmax){//篩の範囲→osa_k法 for (; mnpr[a]!=a; a/=(T)mnpr[a]) Add(ret,mnpr[a]); Add(ret,a); return ret; } if (MillerRabin((ull)a)){//素数の時 ret.emplace_back(a,1); return ret; } //それ以外→ロー法で再帰 ll y=RhoAlgorithm((ull)a); vpll ret1=Factorization(y); vpll ret2=Factorization(a/y); ll i=0,j=0,len1=(ll)ret1.size(),len2=(ll)ret2.size(); while (i<len1 || j<len2){ if (j==len2 || (i<len1 && ret1[i]<ret2[j])) AddBlock(ret,ret1[i++]); else AddBlock(ret,ret2[j++]); } return ret; } bool MillerRabin(ull n){//true:素数 定数は http://miller-rabin.appspot.com/ より auto modpow=[&](ull a,ull b,ull m){ //a^b (mod m) ull r=1; for (; b>0; b>>=1,a=ModMul(a,a,m)) if (b&1) r=ModMul(r,a,m); return r; }; auto f=[&](ull a){//true:素数かもしれない、false:合成数確定 a%=n; if (a==0) return true; ull t=n-1,s=0; while (t%2==0) t>>=1,s++; ull x=modpow(a,t,n); if (x==1 || x==n-1) return true; for (ull r=1; r<s; ++r){ if ((x=ModMul(x,x,n))==n-1) return true; } return false; }; if (n<=1) return false; if (n==2) return true; if (n%2==0) return false; if (n<4759123141) return f(2)&&f(7)&&f(61); return f(2)&&f(325)&&f(9375)&&f(28178)&&f(450775)&&f(9780504)&&f(1795265022); } ll RhoAlgorithm(ull n){//約数の1つを返す 素数はNG(無限ループする) if ((n&1)==0) return 2; for (ull c=1,x=1;;++c){ auto f=[&](ull x){ return (ModMul(x,x,n)+c)%n; }; ull y=x,g=1; while (g==1){ x=f(x); y=f(f(y)); g=gcd(abs(ll(x-y)),n); } if (g<n) return (ll)g; } } void AddBlock(vpll &v,pll &p){ if (!v.empty() and v.back().first==p.first) v.back().second+=p.second; else v.push_back(p); } void Add(vpll &v,ll x){ if (!v.empty() and v.back().first==x) v.back().second++; else v.emplace_back(x,1); } inline ull ModMul(ull a,ull b,ull m){ //a*b%m if (a < 1ULL<<32 && b < 1ULL<<32) return a*b%m; #ifdef _MSC_VER ull upper,lower,rem; lower=_umul128(a,b,&upper); _udiv128(upper,lower,m,&rem); return rem; #else return (ull)((unsigned __int128)(a)*b%m); #endif } }; /* primefactorization pr; primefactorization pr(M); . ↑篩最大値にM bool b=pr.isprime(x); . ↑true:素数 ↑篩内なら使用、篩外ならミラーラビンで判定 vll &primelist=pr.primelist(); . ↑ . {2,3,5,7,11,…} vpll &pfact=pr(x); . ↑ ↑xを素因数分解 . 例: . i=1 → {} . i=2 → {<2,1>} //2^1の意味 . i=600→ {<2,3>,<3,1>,<5,2>} //2^3×3^1×5^2 素因数昇順 vll &div=pr.divisor(x); . ↑ ↑xの約数列挙 . 例:{1,2,4,3,6,12}<未ソート> */ void cin2solve() { ll n; cin >> n; vector<ll> a; rep(i,0,n-1){ ll a__; cin>>a__; a.push_back(a__); } ll M=100000; primefactorization pr(M); vll dp_(M); auto dp = [&](ll y)->ll&{ static ll dmy=0; return dp_[y-1]; }; rep(i,0,n-1){ ll va=a[i]; vll &div=pr.divisor(va); ll mx=0; for (auto&& y: div){ chmax(mx,dp(y)); } dp(va)=mx+1; } ll ans=maxe(dp_); cout << ans << '\n'; return; } ////////////////////////////////////////// int main(){ #if 1 cin2solve(); //generand(); #else ll t; cin >> t; rep(i,0,t-1){ cin2solve(); //generand(); } #endif cerr << timeget() <<"ms"<< '\n'; return 0; }