#1105974 (C++17(gcc12)) No.3224 2×2行列入門

提出ソース
結果

問題	No.3224 2×2行列入門
ユーザー	👑 p-adic
提出日時	2025-07-19 17:55:18
言語	C++17(gcc12) (gcc 12.3.0 + boost 1.87.0)
結果	AC
実行時間	2 ms / 2,000 ms
コード長	42,133 bytes
コンパイル時間	10,513 ms
コンパイル使用メモリ	255,400 KB
実行使用メモリ	7,716 KB
最終ジャッジ日時	2025-07-19 18:33:29
合計ジャッジ時間	11,422 ms
ジャッジサーバーID （参考情報）	judge5 / judge2
このコードへのチャレンジ
（要ログイン）
ファイルパターン	結果
sample	AC * 3
other	AC * 23
権限があれば一括ダウンロードができます
ソースコード

raw source code
// 入力制約／フォーマットチェック
#ifndef INCLUDE_MODE
  #define INCLUDE_MODE
  // #define REACTIVE
  #define USE_GETLINE
#endif
#ifdef INCLUDE_MAIN

void Solve()
{
  CEXPR( int , bound , 1e4 );
  GETLINE_COUNT( AB_str , ' ' ); assert( AB_str_count == 2 );
  STOI( AB_str , A , -bound , bound );
  STOI( AB_str , B , -bound , bound );
  GETLINE_COUNT( CD_str , ' ' ); assert( CD_str_count == 2 );
  STOI( CD_str , C , -bound , bound );
  STOI( CD_str , D , -bound , bound );
  GETLINE_COUNT( EF_str , ' ' ); assert( EF_str_count == 2 );
  STOI( EF_str , E , -bound , bound );
  STOI( EF_str , F , -bound , bound );
  GETLINE_COUNT( GH_str , ' ' ); assert( GH_str_count == 2 );
  STOI( GH_str , G , -bound , bound );
  STOI( GH_str , H , -bound , bound );
  TwoByTwoMatrix<ll> M( A , B , C , D ) , N( E , F , G , H );
  COUT( M * N * M * N );
}
REPEAT_MAIN(1);

#else // INCLUDE_MAIN
#ifdef INCLUDE_LIBRARY

// https://github.com/p-adic/cpp
// VVV ライブラリは以下に挿入する。

/* 圧縮用 */
#define TE template
#define TY typename
#define US using
#define ST static
#define AS assert
#define IN inline
#define CL class
#define PU public
#define OP operator
#define CE constexpr
#define CO const
#define NE noexcept
#define RE return 
#define WH while
#define VO void
#define VE vector
#define LI list
#define BE begin
#define EN end
#define SZ size
#define LE length
#define PW Power
#define MO move
#define TH this
#define CRI CO int&
#define CRUI CO uint&
#define CRL CO ll&
#define VI virtual 
#define IS basic_istream<char,Traits>
#define OS basic_ostream<char,Traits>
#define ST_AS static_assert
#define reMO_CO remove_const
#define is_COructible_v is_constructible_v
#define rBE rbegin
// CEXPRがCEに依存しているので削除しない。
// redefinitionを避けるため圧縮元はincludeしない。

#define TTMA TwoByTwoMatrix
#define SFINAE_FOR_MA(DEFAULT)TY Arg,enable_if_t<is_COructible_v<T,Arg>>* DEFAULT
TE <TY T>CL TTMA{PU:T m_M00;T m_M01;T m_M10;T m_M11;CE TTMA(T M00,T M01,T M10,T M11)NE;CE TTMA(CO T& scalar = T())NE;TE <SFINAE_FOR_MA(= nullptr)> CE TTMA(CO Arg& scalar)NE;CE TTMA(CO TTMA<T>& mat)NE;CE TTMA(TTMA<T>&& mat)NE;CE TTMA<T>& OP=(TTMA<T> mat)NE;CE TTMA<T>& OP+=(CO TTMA<T>& mat)NE;CE TTMA<T>& OP-=(CO TTMA<T>& mat)NE;CE TTMA<T>& OP*=(CO TTMA<T>& mat)NE;CE TTMA<T>& OP*=(CO T& scalar)NE;TE <SFINAE_FOR_MA(= nullptr)> CE TTMA<T>& OP*=(CO Arg& scalar)NE;IN TTMA<T>& OP/=(CO TTMA<T>& mat);IN TTMA<T>& OP/=(CO T& scalar);TE <SFINAE_FOR_MA(= nullptr)> IN TTMA<T>& OP/=(CO Arg& scalar);IN TTMA<T>& OP%=(CO T& scalar);IN TTMA<T>& Invert();IN TTMA<T> Inverse()CO;CE bool OP==(CO TTMA<T>& mat)CO NE;CE bool OP!=(CO TTMA<T>& mat)CO NE;CE TTMA<T> OP+(TTMA<T> mat)CO NE;CE TTMA<T> OP-()CO NE;CE TTMA<T> OP-(CO TTMA<T>& mat)CO NE;CE TTMA<T> OP*(CO TTMA<T>& mat)CO NE;TE <SFINAE_FOR_MA(= nullptr)> CE TTMA<T> OP*(CO Arg& scalar)CO NE;IN TTMA<T> OP/(CO TTMA<T>& mat)CO;TE <SFINAE_FOR_MA(= nullptr)> IN TTMA<T> OP/(CO Arg& scalar)CO;IN TTMA<T> OP%(CO T& scalar)CO;TE <TY INT> CE TTMA<T> OP^(INT EX)CO;CE T tr()CO NE;CE T det()CO NE;CE VO swap(TTMA<T>& mat)NE;CE CO T& Get(CRUI y,CRUI x)CO NE;CE T& Ref(CRUI y,CRUI x)NE;CE TTMA<T> Square()CO NE;};
TE <TY T,SFINAE_FOR_MA(= nullptr)> CE TTMA<T> OP*(CO Arg& scalar,CO TTMA<T>& mat)NE;TE <TY T,TY INT> CE TTMA<T> PW(CO TTMA<T>& mat,INT EX)NE;TE <TY T> CE VO swap(TTMA<T>& mat1,TTMA<T>& mat2)NE;TE <TY T> CE TTMA<T>::TTMA(T M00,T M01,T M10,T M11)NE:m_M00(MO(M00)),m_M01(MO(M01)),m_M10(MO(M10)),m_M11(MO(M11)){}TE <TY T> CE TTMA<T>::TTMA(CO T& scalar)NE:m_M00(scalar),m_M01(),m_M10(),m_M11(scalar){}TE <TY T> TE <SFINAE_FOR_MA()> CE TTMA<T>::TTMA(CO Arg& scalar)NE:TTMA(T(scalar)){}TE <TY T> CE TTMA<T>::TTMA(CO TTMA<T>& mat)NE:m_M00(mat.m_M00),m_M01(mat.m_M01),m_M10(mat.m_M10),m_M11(mat.m_M11){}TE <TY T> CE TTMA<T>::TTMA(TTMA<T>&& mat)NE:m_M00(MO(mat.m_M00)),m_M01(MO(mat.m_M01)),m_M10(MO(mat.m_M10)),m_M11(MO(mat.m_M11)){}TE <TY T> CE TTMA<T>& TTMA<T>::OP=(TTMA<T> mat)NE{m_M00 = MO(mat.m_M00);m_M01 = MO(mat.m_M01);m_M10 = MO(mat.m_M10);m_M11 = MO(mat.m_M11);RE *TH;}TE <TY T> CE TTMA<T>& TTMA<T>::OP+=(CO TTMA<T>& mat)NE{m_M00 += mat.m_M00;m_M01 += mat.m_M01;m_M10 += mat.m_M10;m_M11 += mat.m_M11;RE *TH;}TE <TY T> CE TTMA<T>& TTMA<T>::OP-=(CO TTMA<T>& mat)NE{m_M00 -= mat.m_M00;m_M01 -= mat.m_M01;m_M10 -= mat.m_M10;m_M11 -= mat.m_M11;RE *TH;}TE <TY T> CE TTMA<T>& TTMA<T>::OP*=(CO TTMA<T>& mat)NE{RE *TH = *TH * mat;}TE <TY T> CE TTMA<T>& TTMA<T>::OP*=(CO T& scalar)NE{m_M00 *= scalar;m_M01 *= scalar;m_M10 *= scalar;m_M11 *= scalar;RE *TH;}TE <TY T> TE <SFINAE_FOR_MA()> CE TTMA<T>& TTMA<T>::OP*=(CO Arg& scalar)NE{RE *TH *= T(scalar);}TE <TY T> IN TTMA<T>& TTMA<T>::OP/=(CO TTMA<T>& mat){RE *TH = *TH / mat;}TE <TY T> IN TTMA<T>& TTMA<T>::OP/=(CO T& scalar){RE *TH *= T(1)/ scalar;}TE <TY T> TE <SFINAE_FOR_MA()> IN TTMA<T>& TTMA<T>::OP/=(CO Arg& scalar){RE *TH /= T(scalar);}TE <TY T> IN TTMA<T>& TTMA<T>::OP%=(CO T& scalar){m_M00 %= scalar;m_M01 %= scalar;m_M10 %= scalar;m_M11 %= scalar;RE *TH;}TE <TY T> IN TTMA<T>& TTMA<T>::Invert(){::swap(m_M00,m_M11);m_M01 = -m_M01;m_M10 = -m_M10;RE *TH /= det();}TE <TY T> TTMA<T> TTMA<T>::Inverse()CO{RE MO(TTMA<T>(*TH).invert());}TE <TY T> CE bool TTMA<T>::OP==(CO TTMA<T>& mat)CO NE{RE m_M00 == mat.m_M00 && m_M01 == mat.m_M01 && m_M10 == mat.m_M10 && m_M11 == mat.m_M11;}TE <TY T> CE bool TTMA<T>::OP!=(CO TTMA<T>& mat)CO NE{RE !(*TH == mat);}TE <TY T> CE TTMA<T> TTMA<T>::OP+(TTMA<T> mat)CO NE{RE MO(mat += *TH);}TE <TY T> CE TTMA<T> TTMA<T>::OP-()CO NE{RE TTMA<T>(-m_M00,-m_M01,-m_M10,-m_M11);}TE <TY T> CE TTMA<T> TTMA<T>::OP-(CO TTMA<T>& mat)CO NE{RE MO(-mat += *TH);}TE <TY T> CE TTMA<T> TTMA<T>::OP*(CO TTMA<T>& mat)CO NE{RE TTMA<T>(m_M00 * mat.m_M00 + m_M01 * mat.m_M10,m_M00 * mat.m_M01 + m_M01 * mat.m_M11,m_M10 * mat.m_M00 + m_M11 * mat.m_M10,m_M10 * mat.m_M01 + m_M11 * mat.m_M11);}TE <TY T> TE <SFINAE_FOR_MA()> CE TTMA<T> TTMA<T>::OP*(CO Arg& scalar)CO NE{RE MO(TTMA<T>(*TH)*= scalar);}TE <TY T> IN TTMA<T> TTMA<T>::OP/(CO TTMA<T>& mat)CO{CO T det_inv{T(1)/(mat.m_M00 * mat.m_M11 - mat.m_M01 * mat.m_M10)};RE TTMA<T>((m_M00 * mat.m_M11 - m_M01 * mat.m_M10)* det_inv,(m_M01 * mat.m_M00 - m_M00 * mat.m_M01)* det_inv,(m_M10 * mat.m_M11 - m_M11 * mat.m_M10)* det_inv,(m_M11 * mat.m_M00 - m_M10 * mat.m_M01)* det_inv);}TE <TY T> TE <SFINAE_FOR_MA()> IN TTMA<T> TTMA<T>::OP/(CO Arg& scalar)CO{RE MO(TTMA<T>(*TH)/= scalar);}TE <TY T> IN TTMA<T> TTMA<T>::OP%(CO T& scalar)CO{RE MO(TTMA<T>(*TH)%= scalar);}TE <TY T> TE <TY INT> CE TTMA<T> TTMA<T>::OP^(INT EX)CO{TTMA<T> AN{1},PW{*TH};EX < 0?(EX *= -1,PW.Invert()):*TH;WH(EX > 0){(EX & 1)== 1?AN *= PW:AN;PW = PW.Square();EX >>= 1;}RE AN;}TE <TY T> CE TTMA<T> TTMA<T>::Square()CO NE{RE TTMA<T>(m_M00 * m_M00 + m_M01 * m_M10,(m_M00 + m_M11)* m_M01,m_M10 *(m_M00 + m_M11),m_M10 * m_M01 + m_M11 * m_M11);}TE <TY T> CE T TTMA<T>::tr()CO NE{RE m_M00 + m_M11;}TE <TY T> CE T TTMA<T>::det()CO NE{RE m_M00 * m_M11 - m_M01 * m_M10;}TE <TY T> CE VO TTMA<T>::swap(TTMA<T>& mat)NE{::swap(m_M00,mat.m_M00);::swap(m_M01,mat.m_M01);::swap(m_M10,mat.m_M10);::swap(m_M11,mat.m_M11);}TE <TY T> CE CO T& TTMA<T>::Get(CRUI y,CRUI x)CO NE{RE y == 0?x == 0?m_M00:m_M01:x == 0?m_M10:m_M11;}TE <TY T> CE T& TTMA<T>::Ref(CRUI y,CRUI x)NE{RE y == 0?x == 0?m_M00:m_M01:x == 0?m_M10:m_M11;}TE <TY T,SFINAE_FOR_MA()> CE TTMA<T> OP*(CO Arg& scalar,CO TTMA<T>& mat)NE{RE MO(TTMA<T>(mat)*= scalar);}TE <TY T,TY INT> CE TTMA<T> PW(CO TTMA<T>& mat,INT EX)NE{RE mat ^ MO(EX);}TE <TY T> CE VO swap(TTMA<T>& mat1,TTMA<T>& mat2)NE{mat1.swap(mat2);}TE <TY T,CL Traits> IN OS& OP<<(OS& os,CO TTMA<T>& mat){RE os << mat.Get(0,0)<< " " << mat.Get(0,1)<< "\n" << mat.Get(1,0)<< " " << mat.Get(1,1);}

// AAA ライブラリは以上に挿入する。

#define INCLUDE_MAIN
#include __FILE__
#else // INCLUDE_LIBRARY
#ifdef DEBUG
  #define _GLIBCXX_DEBUG
  #define SIGNAL signal( SIGABRT , &AlertAbort );
  #define DEXPR( LL , BOUND , VALUE1 , VALUE2 ) CEXPR( LL , BOUND , VALUE2 )
  #define ASSERT( A , MIN , MAX ) CERR( "ASSERTチェック： " , ( MIN ) , ( ( MIN ) <= A ? "<=" : ">" ) , A , ( A <= ( MAX ) ? "<=" : ">" ) , ( MAX ) ); assert( ( MIN ) <= A && A <= ( MAX ) )
  #define CERR( ... ) VariadicCout( cerr , __VA_ARGS__ ) << endl
  #define CERRNS( ... ) VariadicCoutNonSep( cerr , __VA_ARGS__ )
  #define CERR_A( I , N , A ) CoutArray( cerr , I , N , A ) << endl
  int exec_mode = 0;
#else
  #pragma GCC optimize ( "O3" )
  #pragma GCC optimize ( "unroll-loops" )
  #pragma GCC target ( "sse4.2,fma,avx2,popcnt,lzcnt,bmi2" )
  #define SIGNAL 
  #define DEXPR( LL , BOUND , VALUE1 , VALUE2 ) CEXPR( LL , BOUND , VALUE1 )
  #define ASSERT( A , MIN , MAX ) AS( ( MIN ) <= A && A <= ( MAX ) )
  #define CERR( ... ) 
  #define CERRNS( ... ) 
  #define CERR_A( I , N , A ) 
#endif
#ifdef REACTIVE
  #ifdef DEBUG
    #define RSET( A , ... ) A = __VA_ARGS__
  #else
    #define RSET( A , ... ) cin >> A
  #endif
  #define RCIN( LL , A , ... ) LL A; RSET( A , __VA_ARGS__ )
  #define ENDL endl
#else
  #define ENDL "\n"
#endif
#ifdef USE_GETLINE
  #define SET_SEPARATE( SEPARATOR , ... ) VariadicGetline( cin , SEPARATOR , __VA_ARGS__ )
  #define SET( ... ) SET_SEPARATE( '\n' , __VA_ARGS__ )
  #define GETLINE_SEPARATE( SEPARATOR , ... ) string __VA_ARGS__; SET_SEPARATE( SEPARATOR , __VA_ARGS__ )
  #define GETLINE( ... ) GETLINE_SEPARATE( '\n' , __VA_ARGS__ )
  #define FINISH_MAIN GETLINE( test_case_num_str ); test_case_num = stoi( test_case_num_str ); ASSERT( test_case_num , 1 , test_case_num_bound ); } REPEAT( test_case_num ){ Solve(); } CHECK_REDUNDANT_INPUT; }
#else
  #define SET( ... ) VariadicCin( cin , __VA_ARGS__ )
  #define CIN( LL , ... ) LL __VA_ARGS__; SET( __VA_ARGS__ )
  #define SET_A( I , N , ... ) VariadicResize( N + I , __VA_ARGS__ ); FOR( VARIABLE_FOR_SET_A , 0 , N ){ VariadicSet( cin , VARIABLE_FOR_SET_A + I , __VA_ARGS__ ); }
  #define CIN_A( LL , I , N , ... ) VE<LL> __VA_ARGS__; SET_A( I , N , __VA_ARGS__ )
  #define CIN_AA( LL , I0 , N0 , I1 , N1 , VAR ) VE<VE<LL>> VAR( N0 + I0 ); FOR( VARIABLE_FOR_CIN_AA , 0 , N0 ){ SET_A( I1 , N1 , VAR[VARIABLE_FOR_CIN_AA + I0] ); }
  #define FINISH_MAIN SET_ASSERT( test_case_num , 1 , test_case_num_bound ); } REPEAT( test_case_num ){ Solve(); } CHECK_REDUNDANT_INPUT; }
#endif
#include <bits/stdc++.h>
using namespace std;
#define START_MAIN int main(){ ios_base::sync_with_stdio( false ); cin.tie( nullptr ); SIGNAL;
#define REPEAT_MAIN( BOUND ) START_MAIN; CEXPR( int , test_case_num_bound , BOUND ); int test_case_num = 1; if constexpr( test_case_num_bound > 1 ){ CERR( "テストケースの個数を入力してください。" ); FINISH_MAIN;
#define START_WATCH chrono::system_clock::time_point watch = chrono::system_clock::now(); double loop_average_time = 0.0 , loop_start_time = loop_average_time , current_time = loop_start_time; int loop_count = current_time; assert( loop_count == 0 )
#define CURRENT_TIME ( current_time = static_cast<double>( chrono::duration_cast<chrono::microseconds>( chrono::system_clock::now() - watch ).count() / 1000.0 ) )
#define CHECK_WATCH( TL_MS ) ( CURRENT_TIME , loop_count == 0 ? loop_start_time = current_time : loop_average_time = ( current_time - loop_start_time ) / loop_count , ++loop_count , current_time < TL_MS - loop_average_time * 2 - 100.0 )
#define CEXPR( LL , BOUND , VALUE ) CE LL BOUND = VALUE
#define SET_ASSERT( A , MIN , MAX ) SET( A ); ASSERT( A , MIN , MAX )
#define SET_A_ASSERT( I , N , A , MIN , MAX ) FOR( VARIABLE_FOR_SET_A , 0 , N ){ SET_ASSERT( A[VARIABLE_FOR_SET_A + I] , MIN , MAX ); }
#define SET_AA_ASSERT( I0 , N0 , I1 , N1 , A , MIN , MAX ) FOR( VARIABLE_FOR_SET_AA0 , 0 , N0 ){ FOR( VARIABLE_FOR_SET_AA1 , 0 , N1 ){ SET_ASSERT( A[VARIABLE_FOR_SET_AA0 + I0][VARIABLE_FOR_SET_AA1 + I1] , MIN , MAX ); } }
#define CIN_ASSERT( A , MIN , MAX ) decldecay_t( MAX ) A; SET_ASSERT( A , MIN , MAX )
#define CIN_A_ASSERT( I , N , A , MIN , MAX ) vector<decldecay_t( MAX )> A( N + I ); SET_A_ASSERT( I , N , A , MIN , MAX )
#define CIN_AA_ASSERT( I0 , N0 , I1 , N1 , A , MIN , MAX ) vector A( N0 + I0 , vector<decldecay_t( MAX )>( N1 + I1 ) ); SET_AA_ASSERT( I0 , N0 , I1 , N1 , A , MIN , MAX )
#define PR1( A1 , ... ) A1
#define PR2( A1 , A2 , ... ) A2
#define PR3( A1 , A2 , A3 , ... ) A3
#define FOR_( VAR , INITIAL , FINAL , UPPER , COMP , INCR ) for( decldecay_t( UPPER ) VAR = INITIAL ; VAR COMP FINAL ; VAR INCR )
#define FOR( VAR , INITIAL , ... ) FOR_( VAR , INITIAL , PR1( __VA_ARGS__ ) , PR1( __VA_ARGS__ ) , < , PR3( __VA_ARGS__ , += PR2( __VA_ARGS__ , ? ) , ++ ) )
#define FOREQ( VAR , INITIAL , ... ) FOR_( VAR , INITIAL , PR1( __VA_ARGS__ ) , PR1( __VA_ARGS__ ) , <= , PR3( __VA_ARGS__ , += PR2( __VA_ARGS__ , ? ) , ++ ) )
#define FOREQINV( VAR , INITIAL , ... ) FOR_( VAR , INITIAL , PR1( __VA_ARGS__ ) , INITIAL , + 1 > , PR3( __VA_ARGS__ , -= PR2( __VA_ARGS__ , ? ) , -- ) )
#define ITR( ARRAY ) auto begin_ ## ARRAY = ARRAY .BE() , itr_ ## ARRAY = begin_ ## ARRAY , end_ ## ARRAY = ARRAY .EN()
#define FOR_ITR( ARRAY ) for( ITR( ARRAY ) , itr = itr_ ## ARRAY ; itr_ ## ARRAY != end_ ## ARRAY ; itr_ ## ARRAY ++ , itr++ )
#define RUN( ARRAY , ... ) for( auto&& __VA_ARGS__ : ARRAY )
#define REPEAT( HOW_MANY_TIMES ) FOR( VARIABLE_FOR_REPEAT , 0 , HOW_MANY_TIMES )
#define SET_PRECISION( DECIMAL_DIGITS ) cout << fixed << setprecision( DECIMAL_DIGITS ); cerr << fixed << setprecision( DECIMAL_DIGITS )
#define COUT( ... ) VariadicCout( cout , __VA_ARGS__ ) << ENDL
#define COUTNS( ... ) VariadicCoutNonSep( cout , __VA_ARGS__ )
#define COUT_A( I , N , A ) CoutArray( cout , I , N , A ) << ENDL
#define RETURN( ... ) COUT( __VA_ARGS__ ); return

// 型のエイリアス
#define decldecay_t( VAR ) decay_t<decltype( VAR )>
template <typename F , typename...Args> using ret_t = decltype( declval<F>()( declval<Args>()... ) );
template <typename T> using inner_t = typename T::type;
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using lld = __float128;
using path = pair<int,ll>;

/* VVV 常設ライブラリの非圧縮版は以下に挿入する。*/
// Random
ll GetRand( const ll& Rand_min , const ll& Rand_max ) { assert( Rand_min <= Rand_max ); ll answer = time( NULL ); return answer * rand() % ( Rand_max + 1 - Rand_min ) + Rand_min; }

// Set
#define DECLARATION_OF_HASH( ... )				\
  struct hash<__VA_ARGS__>					\
  {								\
								\
    inline size_t operator()( const __VA_ARGS__& n ) const;	\
								\
  };								\

#define DEFINITION_OF_POP_FOR_SET( SET )                                \
  template <typename T> inline T pop_max( SET& S ) { assert( !S.empty() ); auto itr = --S.end(); T answer = *itr; S.erase( itr ); return answer; } \
  template <typename T> inline T pop_min( SET& S ) { assert( !S.empty() ); auto itr = S.begin(); T answer = *itr; S.erase( itr ); return answer; } \
  template <typename T> inline SET& operator<<=( SET& S , T t ) { S.insert( move( t ) ); return S; } \
  template <typename T , typename U> inline SET& operator<<=( SET& S , U&& u ) { S.insert( T{ forward<U>( u ) } ); return S; } \
  template <typename T> inline SET& operator>>=( SET& S , const T& t ) { auto itr = S.lower_bound( t ); assert( itr != S.end() && *itr == t ); S.erase( itr ); return S; } \
  template <typename T , typename U> inline SET& operator>>=( SET& S , const U& u ) { return S >>= T{ u }; } \
  template <typename T> inline const T& Get( const SET& S , int i ) { auto begin = S.begin() , end = S.end(); auto& itr = i < 0 ? ( ++i , --end ) : begin; while( i > 0 && itr != end ){ --i; ++itr; } while( i < 0 && itr != begin ){ ++i; --itr; } assert( i == 0 ); return *itr; } \

#define DEFINITION_OF_UNION_FOR_SET( SET )                              \
  template <typename T> inline SET& operator|=( SET& S0 , const SET& S1 ) { for( auto& t : S1 ){ S0 += t; } return S0; } \
  template <typename T> inline SET operator|( SET S0 , const SET& S1 ) { return move( S0 |= S1 ); } \

class is_ordered
{

private:
  is_ordered() = delete;
  template <typename T> static constexpr auto Check( const T& t ) -> decltype( t < t , true_type() );
  static constexpr false_type Check( ... );

public:
  template <typename T> static constexpr const bool value = is_same_v< decltype( Check( declval<T>() ) ) , true_type >;

};

template <typename T>
using Set = conditional_t<is_constructible_v<unordered_set<T>>,unordered_set<T>,conditional_t<is_ordered::value<T>,set<T>,void>>;

template <typename SET , typename T> inline typename SET::const_iterator MaximumLeq( const SET& S , const T& t ) { auto itr = S.upper_bound( t ); return itr == S.begin() ? S.end() : --itr; }
template <typename SET , typename T> inline typename SET::const_iterator MaximumLt( const SET& S , const T& t ) { auto itr = S.lower_bound( t ); return itr == S.begin() ? S.end() : --itr; }
template <typename SET , typename T> inline typename SET::const_iterator MinimumGeq( const SET& S , const T& t ) { return S.lower_bound( t ); }
template <typename SET , typename T> inline typename SET::const_iterator MinimumGt( const SET& S , const T& t ) { return S.upper_bound( t ); }

template <typename SET , typename ITERATOR> inline void EraseBack( SET& S , ITERATOR& itr ) { itr = S.erase( itr ); }
template <typename SET , typename ITERATOR> inline void EraseFront( SET& S , ITERATOR& itr ) { itr = S.erase( itr ); itr == S.begin() ? itr = S.end() : --itr; }

template <template <typename...> typename SET , typename T , typename...Args> inline bool In( const SET<T,Args...>& S , const T& t ) { return S.count( t ) == 1; }

DEFINITION_OF_POP_FOR_SET( set<T> );
DEFINITION_OF_POP_FOR_SET( unordered_set<T> );
DEFINITION_OF_POP_FOR_SET( multiset<T> );
DEFINITION_OF_POP_FOR_SET( unordered_multiset<T> );

DEFINITION_OF_UNION_FOR_SET( set<T> );
DEFINITION_OF_UNION_FOR_SET( unordered_set<T> );
DEFINITION_OF_UNION_FOR_SET( multiset<T> );
DEFINITION_OF_UNION_FOR_SET( unordered_multiset<T> );
DEFINITION_OF_UNION_FOR_SET( vector<T> );
DEFINITION_OF_UNION_FOR_SET( list<T> );

// Tuple
#define DEFINITION_OF_ARITHMETIC_FOR_TUPLE( OPR )			\
  template <typename T , typename U , template <typename...> typename PAIR> inline auto operator OPR ## =( PAIR<T,U>& t0 , const PAIR<T,U>& t1 ) -> decltype( ( get<0>( t0 ) , t0 ) )& { get<0>( t0 ) OPR ## = get<0>( t1 ); get<1>( t0 ) OPR ## = get<1>( t1 ); return t0; } \
  template <typename T , typename U , typename V , template <typename...> typename TUPLE> inline auto operator OPR ## =( TUPLE<T,U,V>& t0 , const TUPLE<T,U,V>& t1 ) -> decltype( ( get<0>( t0 ) , t0 ) )& { get<0>( t0 ) OPR ## = get<0>( t1 ); get<1>( t0 ) OPR ## = get<1>( t1 ); get<2>( t0 ) OPR ## = get<2>( t1 ); return t0; } \
    template <typename T , typename U , typename V , typename W , template <typename...> typename TUPLE> inline auto operator OPR ## =( TUPLE<T,U,V,W>& t0 , const TUPLE<T,U,V,W>& t1 ) -> decltype( ( get<0>( t0 ) , t0 ) )& { get<0>( t0 ) OPR ## = get<0>( t1 ); get<1>( t0 ) OPR ## = get<1>( t1 ); get<2>( t0 ) OPR ## = get<2>( t1 ); get<3>( t0 ) OPR ## = get<3>( t1 ); return t0; } \
  template <typename ARG , typename T , typename U , template <typename...> typename PAIR> inline auto operator OPR ## =( PAIR<T,U>& t0 , const ARG& t1 ) -> decltype( ( get<0>( t0 ) , t0 ) )& { get<0>( t0 ) OPR ## = t1; get<1>( t0 ) OPR ## = t1; return t0; } \
  template <typename ARG , typename T , typename U , typename V , template <typename...> typename TUPLE> inline auto operator OPR ## =( TUPLE<T,U,V>& t0 , const ARG& t1 ) -> decltype( ( get<0>( t0 ) , t0 ) )& { get<0>( t0 ) OPR ## = t1; get<1>( t0 ) OPR ## = t1; get<2>( t0 ) OPR ## = t1; return t0; } \
    template <typename ARG , typename T , typename U , typename V , typename W , template <typename...> typename TUPLE> inline auto operator OPR ## =( TUPLE<T,U,V,W>& t0 , const ARG& t1 ) -> decltype( ( get<0>( t0 ) , t0 ) )& { get<0>( t0 ) OPR ## = t1; get<1>( t0 ) OPR ## = t1; get<2>( t0 ) OPR ## = t1; get<3>( t0 ) OPR ## = t1; return t0; } \
  template <template <typename...> typename TUPLE , typename...ARGS , typename ARG> inline auto operator OPR( const TUPLE<ARGS...>& t0 , const ARG& t1 ) -> decldecay_t( ( get<0>( t0 ) , t0 ) ) { auto t = t0; return move( t OPR ## = t1 ); } \

#define DEFINITION_OF_INCREMENT_FOR_TUPLE( INCR )			\
  template <typename T , typename U , template <typename...> typename PAIR> inline auto operator INCR( PAIR<T,U>& t ) -> decltype( ( get<0>( t ) , t ) )& { INCR get<0>( t ); INCR get<1>( t ); return t; } \
  template <typename T , typename U , typename V , template <typename...> typename TUPLE> inline auto operator INCR ( TUPLE<T,U,V>& t ) -> decltype( ( get<0>( t ) , t ) )& { INCR get<0>( t ); INCR get<1>( t ); INCR get<2>( t ); return t; } \
  template <typename T , typename U , typename V , typename W , template <typename...> typename TUPLE> inline auto operator INCR ( TUPLE<T,U,V,W>& t ) -> decltype( ( get<0>( t ) , t ) )& { INCR get<0>( t ); INCR get<1>( t ); INCR get<2>( t ); INCR get<3>( t ); return t; } \

DEFINITION_OF_ARITHMETIC_FOR_TUPLE( + );
DEFINITION_OF_ARITHMETIC_FOR_TUPLE( - );
DEFINITION_OF_ARITHMETIC_FOR_TUPLE( * );
DEFINITION_OF_ARITHMETIC_FOR_TUPLE( / );
DEFINITION_OF_ARITHMETIC_FOR_TUPLE( % );

DEFINITION_OF_INCREMENT_FOR_TUPLE( ++ );
DEFINITION_OF_INCREMENT_FOR_TUPLE( -- );

template <class Traits , typename T> inline basic_istream<char,Traits>& operator>>( basic_istream<char,Traits>& is , tuple<T>& arg ){ return is >> get<0>( arg ); }
template <class Traits , typename T , typename U , template <typename...> typename V> inline auto operator>>( basic_istream<char,Traits>& is , V<T,U>& arg ) -> decltype((get<0>(arg),is))& { return is >> get<0>( arg ) >> get<1>( arg ); }
template <class Traits , typename T , typename U , typename V> inline basic_istream<char,Traits>& operator>>( basic_istream<char,Traits>& is , tuple<T,U,V>& arg ) { return is >> get<0>( arg ) >> get<1>( arg ) >> get<2>( arg ); }
template <class Traits , typename T , typename U , typename V , typename W> inline basic_istream<char,Traits>& operator>>( basic_istream<char,Traits>& is , tuple<T,U,V,W>& arg ) { return is >> get<0>( arg ) >> get<1>( arg ) >> get<2>( arg ) >> get<3>( arg ); }

template <class Traits , typename T> inline basic_ostream<char,Traits>& operator<<( basic_ostream<char,Traits>& os , const tuple<T>& arg ) { return os << get<0>( arg ); }
template <class Traits , typename T , typename U , template <typename...> typename V> inline auto operator<<( basic_ostream<char,Traits>& os , const V<T,U>& arg ) -> decltype((get<0>(arg),os))& { return os << get<0>( arg ) << " " << get<1>( arg ); }
template <class Traits , typename T , typename U , typename V> inline basic_ostream<char,Traits>& operator<<( basic_ostream<char,Traits>& os , const tuple<T,U,V>& arg ) { return os << get<0>( arg ) << " " << get<1>( arg ) << " " << get<2>( arg ); }
template <class Traits , typename T , typename U , typename V , typename W> inline basic_ostream<char,Traits>& operator<<( basic_ostream<char,Traits>& os , const tuple<T,U,V,W>& arg ) { return os << get<0>( arg ) << " " << get<1>( arg ) << " " << get<2>( arg ) << " " << get<3>( arg ); }

template <int n>
class TupleAccessIndex
{};

template <typename...Types>
class Tuple :
public tuple<Types...>
{

public:
  inline Tuple( Types&&... args );
  template <typename...Args> inline Tuple( Args&&... args );
  
  template <int n> inline auto& operator[]( const TupleAccessIndex<n>& i ) noexcept;
  template <int n> inline const auto& operator[]( const TupleAccessIndex<n>& i ) const noexcept;

};

// structural binding用
template <typename...Types>
class tuple_size<Tuple<Types...>> :
  public tuple_size<tuple<Types...>>
{};

template <size_t n , typename...Types>
class tuple_element<n,Tuple<Types...>> :
  public tuple_element<n,tuple<Types...>>
{};

template <typename T , typename U> using Pair = Tuple<T,U>;
template <typename INT> using T2 = Tuple<INT,INT>;
template <typename INT> using T3 = Tuple<INT,INT,INT>;
template <typename INT> using T4 = Tuple<INT,INT,INT,INT>;

constexpr TupleAccessIndex<0> O{};
constexpr TupleAccessIndex<1> I{};
constexpr TupleAccessIndex<2> II{};
constexpr TupleAccessIndex<3> III{};

template <typename...Types> inline Tuple<Types...>::Tuple( Types&&... args ) : tuple<Types...>( move( args )... ) {}
template <typename...Types> template <typename...Args> inline Tuple<Types...>::Tuple( Args&&... args ) : tuple<Types...>( forward<Args>( args )... ) {}

template <typename...Types> template <int n> inline auto& Tuple<Types...>::operator[]( const TupleAccessIndex<n>& i ) noexcept { return get<n>( *this ); }
template <typename...Types> template <int n> inline const auto& Tuple<Types...>::operator[]( const TupleAccessIndex<n>& i ) const noexcept { return get<n>( *this ); }

#define DEFINITION_OF_HASH_FOR_TUPLE( PAIR )				\
  template <typename T , typename U> inline size_t hash<PAIR<T,U>>::operator()( const PAIR<T,U>& n ) const { static const size_t seed = ( GetRand( 1e3 , 1e8 ) << 1 ) | 1; static const hash<T> h0; static const hash<U> h1; return ( h0( get<0>( n ) ) * seed ) ^ h1( get<1>( n ) ); } \

template <typename T> DECLARATION_OF_HASH( tuple<T> );
template <typename T , typename U> DECLARATION_OF_HASH( pair<T,U> );
template <typename T , typename U> DECLARATION_OF_HASH( tuple<T,U> );
template <typename T , typename U , typename V> DECLARATION_OF_HASH( tuple<T,U,V> );
template <typename T , typename U , typename V , typename W> DECLARATION_OF_HASH( tuple<T,U,V,W> );

template <typename T> inline size_t hash<tuple<T>>::operator()( const tuple<T>& n ) const { static const hash<T> h; return h(get<0>( n ) ); }
DEFINITION_OF_HASH_FOR_TUPLE( pair );
DEFINITION_OF_HASH_FOR_TUPLE( tuple );
template <typename T , typename U , typename V> inline size_t hash<tuple<T,U,V>>::operator()( const tuple<T,U,V>& n ) const { static const size_t seed = ( GetRand( 1e3 , 1e8 ) << 1 ) | 1; static const hash<pair<T,U>> h01; static const hash<V> h2; return ( h01( { get<0>( n ) , get<1>( n ) } ) * seed ) ^ h2( get<2>( n ) ); }
template <typename T , typename U , typename V , typename W> inline size_t hash<tuple<T,U,V,W>>::operator()( const tuple<T,U,V,W>& n ) const { static const size_t seed = ( GetRand( 1e3 , 1e8 ) << 1 ) | 1; static const hash<pair<T,U>> h01; static const hash<pair<V,W>> h23; return ( h01( { get<0>( n ) , get<1>( n ) } ) * seed ) ^ h23( { get<2>( n ) , get<3>( n ) } ); }

// Vector
#define DEFINITION_OF_ARITHMETIC_FOR_VECTOR( V , OPR )			\
  template <typename T> inline V<T>& operator OPR ## = ( V<T>& a0 , const V<T>& a1 ) { assert( a0.size() <= a1.size() ); auto itr0 = a0.begin() , end0 = a0.end(); auto itr1 = a1.begin(); while( itr0 != end0 ){ *( itr0++ ) OPR ## = *( itr1++ ); } return a0; } \
  template <typename T> inline V<T>& operator OPR ## = ( V<T>& a , const T& t ) { for( auto& x : a ){ x OPR## = t; } return a; } \
  template <typename T , typename U> inline V<T> operator OPR( V<T> a , const U& u ) { return move( a OPR ## = u ); } \

#define DEFINITION_OF_INCREMENT_FOR_VECTOR( V , INCR )			\
  template <typename T> inline V<T>& operator INCR( V<T>& a ) { for( auto& i : a ){ INCR i; } return a; } \

#define DEFINITION_OF_ARITHMETICS_FOR_VECTOR( V )			\
  template <typename T> inline V<T>& operator<<=( V<T>& a , T t ) { a.push_back( move( t ) ); return a; } \
  template <typename T , typename U> inline V<T>& operator<<=( V<T>& a , U&& u ) { return a <<= T{ forward<U>( u ) }; } \
  DEFINITION_OF_ARITHMETIC_FOR_VECTOR( V , + );				\
  DEFINITION_OF_ARITHMETIC_FOR_VECTOR( V , - );				\
  DEFINITION_OF_ARITHMETIC_FOR_VECTOR( V , * );				\
  DEFINITION_OF_ARITHMETIC_FOR_VECTOR( V , / );				\
  DEFINITION_OF_ARITHMETIC_FOR_VECTOR( V , % );				\
  DEFINITION_OF_INCREMENT_FOR_VECTOR( V , ++ );				\
  DEFINITION_OF_INCREMENT_FOR_VECTOR( V , -- );				\
  template <typename T> inline V<T> operator-( V<T> a ) { return move( a *= T( -1 ) );} \
  template <typename T> inline V<T> operator*( const T& t , V<T> v ) { return move( v *= t ); } \
  template <typename T> inline T pop( V<T>& a ) { assert( !a.empty() ); T answer = move( a.back() ); a.pop_back(); return answer; } \


DEFINITION_OF_ARITHMETICS_FOR_VECTOR( vector );
DEFINITION_OF_ARITHMETICS_FOR_VECTOR( list );

template <typename V> inline auto Get( V& a ) { return [&]( const int& i = 0 ) -> const decldecay_t( a[0] )& { return a[i]; }; }
template <typename T> inline vector<T> id( const int& size ) { vector<T> answer( size ); for( int i = 0 ; i < size ; i++ ){ answer[i] = i; } return answer; }

template <typename V> inline void Sort( V& a , const bool& reversed = false) { using T = decltype(a[0]); if( reversed ){ static auto comp = []( const T& t0 , const T& t1 ) { return t1 < t0; }; sort( a.begin() , a.end() , comp ); } else { sort( a.begin() , a.end() ); } }
template <typename V0 , typename V1> inline void Sort( V0& a , V1& b , const bool& reversed = false ) { const int size = a.size(); assert( size == int( b.size() ) ); vector<pair<decltype(a[0]),decltype(b[0])>> v( size ); for( int i = 0 ; i < size ; i++ ){ v[i] = { move( a[i] ) , move( b[i] ) }; } Sort( v , reversed ); for( int i = 0 ; i < size ; i++ ){ a[i] = move( v[i].first ); b[i] = move( v[i].second ); } }
template <typename V> inline vector<int> IndexSort( const V& a , const bool& reversed = false ) { auto index = id<int>( a.size() ); sort( index.begin() , index.end() , [&]( const int& i , const int& j ) { return reversed ? a[j] < a[i] : a[i] < a[j]; } ); return index; }

template <typename V> inline int len( const V& a ) { return a.size(); }

template <typename V> inline void Reverse( V& a ) { const int size = len( a ) , half = size / 2; for( int i = 0 ; i < half ; i++ ){ swap( a[i] , a[size-1-i] ); } }
;
template <typename V> inline V Reversed( V a ) { Reverse( a ); return move( a ); }

#define DEFINITION_OF_COUT_FOR_VECTOR( V ) template <class Traits , typename Arg> inline basic_ostream<char,Traits>& operator<<( basic_ostream<char,Traits>& os , const V<Arg>& arg ) { auto begin = arg.begin() , end = arg.end(); auto itr = begin; while( itr != end ){ ( itr == begin ? os : os << " " ) << *itr; itr++; } return os; }

DEFINITION_OF_COUT_FOR_VECTOR( vector );
DEFINITION_OF_COUT_FOR_VECTOR( list );
DEFINITION_OF_COUT_FOR_VECTOR( set );
DEFINITION_OF_COUT_FOR_VECTOR( unordered_set );

inline void VariadicResize( const int& size ) {}
template <typename Arg , typename... ARGS> inline void VariadicResize( const int& size , Arg& arg , ARGS&... args ) { arg.resize( size ); VariadicResize( size , args... ); }

// Map
#define DEFINITION_OF_ARITHMETIC_FOR_MAP( MAP , OPR )			\
  template <typename T , typename U> inline MAP<T,U>& operator OPR ## = ( MAP<T,U>& a , const pair<T,U>& v ) { a[v.first] OPR ## = v.second; return a; } \
  template <typename T , typename U> inline MAP<T,U>& operator OPR ## = ( MAP<T,U>& a0 , const MAP<T,U>& a1 ) { for( auto& [t,u] : a1 ){ a0[t] OPR ## = u; } return a0; } \
  template <typename T , typename U , typename ARG> inline MAP<T,U> operator OPR( MAP<T,U> a , const ARG& arg ) { return move( a OPR ## = arg ); } \

#define DEFINITION_OF_ARITHMETICS_FOR_MAP( MAP ) \
  DEFINITION_OF_ARITHMETIC_FOR_MAP( MAP , + );	\
  DEFINITION_OF_ARITHMETIC_FOR_MAP( MAP , - );	\
  DEFINITION_OF_ARITHMETIC_FOR_MAP( MAP , * );	\
  DEFINITION_OF_ARITHMETIC_FOR_MAP( MAP , / );	\
  DEFINITION_OF_ARITHMETIC_FOR_MAP( MAP , % );	\

template <typename T , typename U>
using Map = conditional_t<is_constructible_v<unordered_map<T,int>>,unordered_map<T,U>,conditional_t<is_ordered::value<T>,map<T,U>,void>>;

DEFINITION_OF_ARITHMETICS_FOR_MAP( map );
DEFINITION_OF_ARITHMETICS_FOR_MAP( unordered_map );

// StdStream
template <class Traits> inline basic_istream<char,Traits>& VariadicCin( basic_istream<char,Traits>& is ) { return is; }
template <class Traits , typename Arg , typename... ARGS> inline basic_istream<char,Traits>& VariadicCin( basic_istream<char,Traits>& is , Arg& arg , ARGS&... args ) { return VariadicCin( is >> arg , args... ); }
template <class Traits> inline basic_istream<char,Traits>& VariadicSet( basic_istream<char,Traits>& is , const int& i ) { return is; }
template <class Traits , typename Arg , typename... ARGS> inline basic_istream<char,Traits>& VariadicSet( basic_istream<char,Traits>& is , const int& i , Arg& arg , ARGS&... args ) { return VariadicSet( is >> arg[i] , i , args... ); }

template <class Traits> inline basic_istream<char,Traits>& VariadicGetline( basic_istream<char,Traits>& is , const char& separator ) { return is; }
template <class Traits , typename Arg , typename... ARGS> inline basic_istream<char,Traits>& VariadicGetline( basic_istream<char,Traits>& is , const char& separator , Arg& arg , ARGS&... args ) { return VariadicGetline( getline( is , arg , separator ) , separator , args... ); }

template <class Traits , typename Arg> inline basic_ostream<char,Traits>& VariadicCout( basic_ostream<char,Traits>& os , Arg&& arg ) { return os << forward<Arg>( arg ); }
template <class Traits , typename Arg1 , typename Arg2 , typename... ARGS> inline basic_ostream<char,Traits>& VariadicCout( basic_ostream<char,Traits>& os , Arg1&& arg1 , Arg2&& arg2 , ARGS&&... args ) { return VariadicCout( os << forward<Arg1>( arg1 ) << " " , forward<Arg2>( arg2 ) , forward<ARGS>( args )... ); }

template <class Traits , typename Arg> inline basic_ostream<char,Traits>& VariadicCoutNonSep( basic_ostream<char,Traits>& os , Arg&& arg ) { return os << forward<Arg>( arg ); }
template <class Traits , typename Arg1 , typename Arg2 , typename... ARGS> inline basic_ostream<char,Traits>& VariadicCoutNonSep( basic_ostream<char,Traits>& os , Arg1&& arg1 , Arg2&& arg2 , ARGS&&... args ) { return VariadicCoutNonSep( os << forward<Arg1>( arg1 ) , forward<Arg2>( arg2 ) , forward<ARGS>( args )... ); }

template <class Traits , typename ARRAY> inline basic_ostream<char,Traits>& CoutArray( basic_ostream<char,Traits>& os , const int& i_start , const int& i_ulim , ARRAY&& a ) { for( int i = i_start ; i < i_ulim ; i++ ){ ( i == i_start ? os : ( os << " " ) ) << a[i]; } return os; }

// Sum
template <typename T , template <typename...> typename V , typename OPR> T LeftConnectiveProd( const V<T>& f , OPR opr ) { assert( !f.empty() ); auto itr = f.begin() , end = f.end(); T answer = *( itr++ ); while( itr != end ){ answer = opr( move( answer ) , *( itr++ ) ); } return answer; }
template <typename T , template <typename...> typename V> inline T Sum( const V<T>& f ) { return LeftConnectiveProd( f , []( T t0 , const T& t1 ){ return move( t0 += t1 ); } ); }
template <typename T , template <typename...> typename V> inline T Prod( const V<T>& f ) { return LeftConnectiveProd( f , []( T t0 , const T& t1 ){ return move( t0 *= t1 ); } ); }
template <typename T , template <typename...> typename V> inline T Max( const V<T>& f ) { return *max_element( f.begin() , f.end() ); }
template <typename T , template <typename...> typename V> inline T Min( const V<T>& f ) { return *min_element( f.begin() , f.end() ); }

template <typename T , typename U> inline T SetMax( T& n , const U& m ) { return n < m ? n = m : n; }
template <typename T , typename U> inline T SetMin( T& n , const U& m ) { return n > m ? n = m : n; }

template <typename T , typename UINT>
T Power( const T& t , const UINT& exponent , T init = 1 )
{

  return exponent > 1 ? Power( t * t , exponent >> 1 , move( exponent & 1 ? init *= t : init ) ) : move( exponent > 0 ? init *= t : ( assert( exponent == 0 ) , init ) );

}

template <typename T> inline T PowerMemorisation( const T& t , const int& exponent ) { assert( exponent >= 0 ); static Map<T,vector<T>> memory{}; auto& answer = memory[t]; if( answer.empty() ){ answer.push_back( 1 ); } while( int( answer.size() ) <= exponent ){ answer.push_back( answer.back() * t ); } return answer[exponent]; }

template <typename INT> inline INT ArithmeticProgressionSum( const INT& l , INT r , const INT& d ) { assert( l <= r ); const INT c = ( r - l ) / d; return ( c & 1 ) == 0 ? ( c + 1 ) * ( l + d * ( c >> 1 ) ) : ( ( c + 1 ) >> 1 ) * ( ( l << 1 ) + d * c ); }
template <typename INT> inline INT ArithmeticProgressionSum( const INT& r ) { return ArithmeticProgressionSum( INT{} , r ); }

template <typename T , typename UINT> inline T GeometricProgressionSum( T rate , UINT exponent_max , const T& init ) { T rate_minus = rate - 1; return rate_minus == 0 ? init * ++exponent_max : ( Power( move( rate ) , move( ++exponent_max ) ) - 1 ) / move( rate_minus ) * init; }

template <typename T , typename UINT>
T GeometricProgressionLinearCombinationSum( vector<T> rate , vector<UINT> exponent_max , const vector<T>& init )
{

  const int size = init.size();
  assert( int( rate.size() ) == size && int( exponent_max.size() ) == size );
  T answer{};

  for( int i = 0 ; i < size ; i++ ){

    answer += GeometricProgressionSum( move( rate[i] ) , move( exponent_max[i] ) , init[i] );

  }

  return answer;

}

// Arithmetic/Sqrt
template <typename INT>
INT RoundDownSqrt( const INT& n )
{

  static_assert( is_same_v<INT,int> || is_same_v<INT,uint> || is_same_v<INT,ll> || is_same_v<INT,ull> );
  assert( n >= 0 );
  
  if( n <= 1 ){

    return n;
    
  }

  constexpr INT r_max = is_same_v<INT,int> ? 46341 : is_same_v<INT,uint> ? 65536 : is_same_v<INT,ll> ? 3037000500 : 4294967296;
  INT l = 1 , r = min( r_max , n );

  while( l < r - 1 ){

    const INT m = ( l + r ) >> 1;
    // m * m <= nか否かを判定。
    ( m <= n / m ? l : r ) = m;

  }

  return l;

}

template <typename INT>
INT RoundUpSqrt( const INT& n )
{
  
  static_assert( is_same_v<INT,int> || is_same_v<INT,uint> || is_same_v<INT,ll> || is_same_v<INT,ull> );
  assert( n >= 0 );

  if( n <= 2 ){

    return n;
    
  }

  constexpr INT r_max = is_same_v<INT,int> ? 46341 : is_same_v<INT,uint> ? 65536 : is_same_v<INT,ll> ? 3037000500 : 4294967296;
  const INT n_minus = n - 1;
  INT l = 1 , r = min( r_max , n );

  while( l + 1 < r ){

    const INT m = ( l + r ) >> 1;
    // m * m < nか否かを判定。
    ( m <= n_minus / m ? l : r ) = m;

  }

  return r;

}

template <typename INT> bool IsSquare( const INT& n ) { const INT r = RoundDownSqrt( n ); return n == r * r; }

/* AAA 常設ライブラリの非圧縮版は以上に挿入する。*/

// デバッグ用
#ifdef DEBUG
  inline void AlertAbort( int n ) { CERR( "abort関数が呼ばれました。assertマクロのメッセージが出力されていない場合はオーバーフローの有無を確認をしてください。" ); }
#endif

// 入力フォーマットチェック用
// 1行中の変数の個数をSEPARATOR区切りで確認
#define GETLINE_COUNT( S , SEPARATOR ) GETLINE( S ); int S ## _count = 0; int VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S = 0; int VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S = S.size(); for( int i = 0 ; i < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ; i++ ){ if( S[i] == SEPARATOR ){ S ## _count++; } } if( VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S > 0 ){ S ## _count++; }
// 余計な入力の有無を確認
#if defined( DEBUG ) || defined( REACTIVE )
  #define CHECK_REDUNDANT_INPUT 
#else
  #ifdef USE_GETLINE
    #define CHECK_REDUNDANT_INPUT string VARIABLE_FOR_CHECK_REDUNDANT_INPUT = ""; getline( cin , VARIABLE_FOR_CHECK_REDUNDANT_INPUT ); assert( VARIABLE_FOR_CHECK_REDUNDANT_INPUT == "" ); assert( ! cin )
  #else
    #define CHECK_REDUNDANT_INPUT string VARIABLE_FOR_CHECK_REDUNDANT_INPUT = ""; cin >> VARIABLE_FOR_CHECK_REDUNDANT_INPUT; assert( VARIABLE_FOR_CHECK_REDUNDANT_INPUT == "" ); assert( ! cin )
  #endif
#endif
// MIN <= N <= MAXを満たすNをSから構築
#define STOI( S , N , MIN , MAX ) decldecay_t( MAX ) N = 0; decldecay_t( MAX ) BOUND ## N = max( decldecay_t( MAX )( abs( MIN ) ) , abs( MAX ) ); { bool VARIABLE_FOR_POSITIVITY_FOR_GETLINE = true; assert( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ); if( S.substr( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S , 1 ) == "-" ){ VARIABLE_FOR_POSITIVITY_FOR_GETLINE = false; VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S ++; assert( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ); } assert( S.substr( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S , 1 ) != " " ); string VARIABLE_FOR_LETTER_FOR_GETLINE{}; int VARIABLE_FOR_DIGIT_FOR_GETLINE{}; while( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ? ( VARIABLE_FOR_LETTER_FOR_GETLINE = S.substr( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S , 1 ) ) != " " : false ){ VARIABLE_FOR_DIGIT_FOR_GETLINE = stoi( VARIABLE_FOR_LETTER_FOR_GETLINE ); assert( N < BOUND ## N / 10 ? true : N == BOUND ## N / 10 && VARIABLE_FOR_DIGIT_FOR_GETLINE <= BOUND ## N % 10 ); N = N * 10 + VARIABLE_FOR_DIGIT_FOR_GETLINE; VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S ++; } if( ! VARIABLE_FOR_POSITIVITY_FOR_GETLINE ){ N *= -1; } if( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ){ VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S ++; } ASSERT( N , MIN , MAX ); }
#define STOI_A( S , I , N , A , MIN , MAX ) vector<decldecay_t( MAX )> A( N + I ); FOR( VARIABLE_FOR_STOI_A , 0 , N ){ STOI( S , A ##_VARIABLE_FOR_STOI_A , MIN , MAX ); A[VARIABLE_FOR_STOI_A + I] = A ##_VARIABLE_FOR_STOI_A; }
// Sをstring SEPARATORで区切りTを構築
#define SEPARATE( S , T , SEPARATOR ) string T{}; { assert( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ); int VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S_prev = VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S; assert( S.substr( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S , 1 ) != SEPARATOR ); string VARIABLE_FOR_LETTER_FOR_GETLINE{}; while( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ? ( VARIABLE_FOR_LETTER_FOR_GETLINE = S.substr( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S , 1 ) ) != SEPARATOR : false ){ VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S ++; } T = S.substr( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S_prev , VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S - VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S_prev ); if( VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S < VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S ){ VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S ++; } }

#define INCLUDE_LIBRARY
#include __FILE__
#endif // INCLUDE_LIBRARY
#endif // INCLUDE_MAIN
yukicoder

結果

ソースコード
