結果
| 問題 |
No.2298 yukicounter
|
| コンテスト | |
| ユーザー |
hamamu
|
| 提出日時 | 2023-05-12 21:33:39 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 42 ms / 2,000 ms |
| コード長 | 40,617 bytes |
| コンパイル時間 | 5,256 ms |
| コンパイル使用メモリ | 288,320 KB |
| 最終ジャッジ日時 | 2025-02-12 22:10:45 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 30 |
ソースコード
#if !defined(MYLOCAL)//提出時用テンプレート
#pragma GCC optimize("Ofast")
#if defined(NDEBUG)
#undef NDEBUG
#endif
#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=0;
/*---- utility ----*/
mll_ &norm(){ return normR().normS(); }//正規化
mll_ &normR(){ val%=MOD; return *this; }//剰余正規化のみ
mll_ &normS(){ if (val<0) val+=MOD; return *this; }//正負正規化のみ
mll_ &normP(){ if (val>=MOD) val-=MOD; return *this; }//加算時正規化
mll_ &invsg(){ val=-val; return normS(); }//正負反転
ll modinv(int a){//a^-1 mod MOD
int ypre=0,y=1,apre=MOD;
while (a>1){
int t=apre/a;
apre-=a*t, swap(a,apre);
ypre-=y*t, swap(y,ypre);
}
return y<0 ? y+MOD: y;
}
/*---- I/F ----*/
mll_(){}
mll_(ll v): val(v){ norm(); }
mll_(ll v,bool b): val(v){} //正規化無のコンストラクタ
bool isnone() const { return val==-1; } //true:値なし
mll_ &none() { val=-1; return *this; } //値なしにする
mll_ &operator+=(mll_ b){ val+=b.val; return normP(); }
mll_ &operator-=(mll_ b){ val-=b.val; return normS(); }
mll_ &operator*=(mll_ b){ val*=b.val; return normR(); }
mll_ &operator/=(mll_ b){ val*=modinv((int)b.val); return normR(); }
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); }
mll_ operator-()const{ return mll_(*this).invsg(); }
mll_ operator+(mll_ b)const{ return mll_(*this)+=b; }
mll_ operator-(mll_ b)const{ return mll_(*this)-=b; }
mll_ operator*(mll_ b)const{ return mll_(*this)*=b; }
mll_ operator/(mll_ b)const{ return mll_(*this)/=b; }
mll_ operator+(ll b)const{ return mll_(*this)+=b; }
mll_ operator-(ll b)const{ return mll_(*this)-=b; }
mll_ operator*(ll b)const{ return mll_(*this)*=b; }
mll_ operator/(ll b)const{ return mll_(*this)/=b; }
friend mll_ operator+(ll a,mll_ b){ return b+a; }
friend mll_ operator-(ll a,mll_ b){ return -b+a; }
friend mll_ operator*(ll a,mll_ b){ return b*a; }
friend mll_ operator/(ll a,mll_ b){ return mll_(a)/b; }
bool operator==(mll_ b)const{ return val==b.val; }
bool operator!=(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,mll_ b){ return mll_(a)==b; }
friend bool operator!=(ll a,mll_ b){ return mll_(a)!=b; }
friend ostream &operator<<(ostream &os,mll_ a){ return os << a.val; }
friend istream &operator>>(istream &is,mll_ &a){ return is >> a.val; }
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>;
//////////////////////////////////////////
//#define NO128 //コドフォではON
template<class T> struct rollinghash{
using ull = unsigned long long;
using Int = long long;
using ll = long long;
using pll = pair<ll,ll>;
static const ull M=(1ULL<<61)-1; //modM
static inline ull base=0; //乱数で初期化され全インスタンスで共有される
static inline vector<ull> basepow; //basepow[i]=base^i 全インスタンスで共有
vector<ull> cum; //cum[i]:s[0]~s[i-1]のハッシュ
T org; //元の文字列
rollinghash(){}
rollinghash(const T &s):cum(1),org(s){ //要素値2^63以下
if (base==0) baseInit();
initBasepow((Int)s.size()+1);
for (auto&& va: s) cum.push_back(Mod(Mul(cum.back(),base)+(ull)va));
}
Int size()const{ return (Int)cum.size()-1; }
ll hash(Int l,Int r){//[l,r]のハッシュ値
#if defined(_MSC_VER) || defined(NO128)
return (ll)Mod(cum[r+1] + POSITIVIZER - Mul(cum[l],basepow[r-l+1]));
#else
return (ll)Mod(cum[r+1] + POSITIVIZER - MulMod(cum[l],basepow[r-l+1]));
#endif
}
pll hashn(Int l,Int r){//[l,r]のハッシュ値+長さ 結合時等に長さ必要
return {hash(l,r),r-l+1};
}
static pll concat(const pll &a,const pll &b){//a,bの順に連結
auto&[ha,na]=a;
auto&[hb,nb]=b;
ull bp = (nb<(ll)basepow.size()) ? basepow[nb] : Pow(base,nb);
ull hc=Mod(Mul((ull)ha,bp)+(ull)hb);
return {(ll)hc,na+nb};
}
Int lcp(rollinghash &b,Int al,Int bl){//最長共通接頭辞
Int ok=0,ng=min(this->size()-al,b.size()-bl)+1;
while (abs(ok-ng)>1){
Int x=(ok+ng)/2;
if (hash(al,al+x-1)==b.hash(bl,bl+x-1)) ok=x; else ng=x;
}
return ok;
}
Int lcsuffix(rollinghash &b,Int ar,Int br){//最長共通接尾辞
Int ok=0,ng=min(ar+2,br+2);
while (abs(ok-ng)>1){
Int x=(ok+ng)/2;
if (hash(ar-x+1,ar)==b.hash(br-x+1,br)) ok=x; else ng=x;
}
return ok;
}
Int strcmp(rollinghash &b,Int al,Int ar,Int bl,Int br){
Int as=ar-al+1,bs=br-bl+1;
Int x=min({lcp(b,al,bl),as,bs});
if (x==min(as,bs)) return (as==bs) ? 0 : (as<bs) ? -1 : 1;
else return (org[al+x]<b.org[bl+x]) ? -1 : 1;
}
private:
static const ull MASK30=(1ULL<<30)-1;
static const ull MASK31=(1ULL<<31)-1;
static const ull MASK61=(1ULL<<61)-1;
static const ull POSITIVIZER=M*4;
void baseInit(){
mt19937_64 mt(chrono::system_clock::now().time_since_epoch().count());
base=mt()%(M-200000+1)+100000; //[100000,M-100000]の乱数
}
void initBasepow(Int n){ //共有のbasepowが足りない時に追加準備
if (basepow.empty()) basepow.push_back(1);
for (Int i=(Int)basepow.size(); i<n; ++i){
basepow.push_back(Mod(Mul(basepow.back(),base)));
}
}
#if defined(_MSC_VER) || defined(NO128)
static ull Mul(ull a,ull b){//M=2^61-1用乗算 但し最後mod取る前の為最大4M
ull au=a>>31,ad=a&MASK31;
ull bu=b>>31,bd=b&MASK31;
ull mid=ad*bu+au*bd;
ull midu=mid>>30;
ull midd=mid&MASK30;
return ad*bd+(midd<<31)+midu+(au*bu<<1);
}
#else
static unsigned __int128 Mul(ull a,ull b){
return (unsigned __int128)(a)*b;
}
static ull Mod(unsigned __int128 x){
ull ret=(ull)(x>>61)+(ull)(x&MASK61);
if (ret>=M) ret-=M;
return ret;
}
#endif
static ull Mod(ull x){ //M=2^61-1用mod
ull xu=x>>61;
ull xd=x&MASK61;
ull ret=xu+xd;
if (ret>=M) ret-=M;
return ret;
}
static ull MulMod(ull a,ull b){ return Mod(Mul(a,b)); }
static ull Pow(ull x,ull n){ //x^n
ull r=1;
for (; n>0; n>>=1,x=MulMod(x,x)) if (n&1) r=MulMod(r,x);
return r;
}
};
/*
mod 2^61-1 のローリングハッシュ
- 定義 ↓string,vll等 baseは乱数初期化
rollinghash rh(s);
rollinghash rht(t);
. ↑rhとbase共通になる
- s[l~r]のハッシュ値
ll h=rh.hash(l,r);
- s[l~r]のハッシュ値+長さ (結合したい時は長さ情報も必要)
pll hn=rh.hashn(l,r);
- ハッシュ結合 hn+hn2→hn3
pll hn3=rh.concat(hn,hn2);
- LCP(最長共通prefix)の長さ s[i],t[j]からの共通部分の長さ
ll x=rh.lcp(rht,i,j);
- 最長共通suffixの長さ 末尾がs[i],t[j]
ll x=rh.lcsuffix(rht,i,j);
- strcmp -1:s<t, 0:s=t, 1:s>t
. ↓s[sl~sr]とt[tl~tr]を比較
ll ret=rh.strcmp(rht,sl,sr,tl,tr);
*/
template <class T> auto runlength(T &&v){
vector<pair<typename remove_reference<T>::type::value_type,ll>> ret;
for (auto&&e:v){
if (ret.empty() or ret.back().first!=e) ret.emplace_back(e,1);
else ret.back().second++;
}
return ret;
}
/*
auto rs=runlength(s);
. ↑
. {'a',4},{'c',2},{'n',5},{'a',2},
. {1,3},{0,2},{1,4},{5,2},
*/
void cin2solve()
{
string s;
cin >> s;
ll n=sz(s);
string t="yukicoder";
rollinghash rh(s);
rollinghash rht(t);
ll tn=sz(t);
ll h=rht.hash(0,tn-1);
vll r(sz(s));
rep(i,0,n-1-(tn-1)){
r[i]=rh.hash(i,i+tn-1);
}
vll rr=r;
for (auto&& e: rr){
if (e==h) e=1;
else e=0;
}
ll ans=0;
rep(ofs,0,tn-1){
vll rrr;
rep(i,ofs,n-1,tn){
rrr.push_back(rr[i]);
}
auto rs=runlength(rrr);
for (auto&&[ke,ct]:rs){
if (ke==1){
chmax(ans,ct);
}
}
}
//auto rs=runlength(rr);
//ll ans=0;
//for (auto&&[ke,ct]:rs){
// if (ke==1){
// chmax(ans,ct);
// }
//}
cout << ans << '\n';
return;
}
//////////////////////////////////////////
int main(){
#if 1
//lab();
cin2solve();
//generand();
#else
ll t; cin >> t;
rep(i,0,t-1){
cin2solve();
//generand();
}
#endif
cerr << timeget() <<"ms"<< endl;
return 0;
}
hamamu