// 低速解法(O(Q√N log_2 N))フェニック木解)チェック #ifndef INCLUDE_MODE #define INCLUDE_MODE // #define REACTIVE // #define USE_GETLINE #endif #ifdef INCLUDE_MAIN void Solve() { CEXPR( int , bound_Q , 1e5 ); CIN_ASSERT( Q , 1 , bound_Q ); vector> query( Q ); CEXPR( int , bound_N , 1e6 ); int N = 0; FOR( q , 0 , Q ){ CIN_ASSERT( i , 1 , bound_N ); CIN_ASSERT( L , 1 , bound_N ); CIN_ASSERT( R , L , bound_N ); query[q] = {i,L,R}; SetMax( N , Max( i , L , R ) ); } BIT S{ N + 1 }; vector imT( N + 1 ); FOR( q , 0 , Q ){ auto& [i,L,R] = query[q]; vector T{}; FOREQ( d , 1 , i ){ if( d * d > i ){ break; } int j = i / d; if( !imT[d] && i / ( d + 1 ) < j ){ S.Set( d , 1 - S[d] ); imT[d] = 1; T <<= d; } if( !imT[j] ){ S.Set( j , 1 - S[j] ); imT[j] = 1; T <<= j; } } RUN( T , j ){ imT[j] = 0; } COUT( S.IntervalSum( L , R ) ); } } 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 #define OS basic_ostream #define ST_AS static_assert #define reMO_CO remove_const #define is_COructible_v is_constructible_v #define rBE rbegin #define reSZ resize // 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。 // Module // Graph // が必要な場合はここに追加する。 #define DC_OF_CPOINT(POINT)IN CO U& POINT()CO NE #define DC_OF_POINT(POINT)IN U& POINT()NE #define DF_OF_CPOINT(POINT)TE IN CO U& VirtualPointedSet::POINT()CO NE{RE Point();} #define DF_OF_POINT(POINT)TE IN U& VirtualPointedSet::POINT()NE{RE Point();} TE CL UnderlyingSet{PU:US type = U;};TE CL VirtualPointedSet:VI PU UnderlyingSet{PU:VI CO U& Point()CO NE = 0;VI U& Point()NE = 0;DC_OF_CPOINT(Unit);DC_OF_CPOINT(Zero);DC_OF_CPOINT(One);DC_OF_CPOINT(Infty);DC_OF_POINT(init);DC_OF_POINT(root);};TE CL PointedSet:VI PU VirtualPointedSet{PU:U m_b_U;IN PointedSet(U b_u = U());IN CO U& Point()CO NE;IN U& Point()NE;};TE CL VirtualNSet:VI PU UnderlyingSet{PU:VI U Transfer(CO U& u)= 0;IN U Inverse(CO U& u);};TE CL AbstractNSet:VI PU VirtualNSet{PU:F_U m_f_U;IN AbstractNSet(F_U f_U);IN AbstractNSet& OP=(CO AbstractNSet&)NE;IN U Transfer(CO U& u);};TE CL VirtualMagma:VI PU UnderlyingSet{PU:VI U Product(U u0,CO U& u1)= 0;IN U Sum(U u0,CO U& u1);};TE CL AdditiveMagma:VI PU VirtualMagma{PU:IN U Product(U u0,CO U& u1);};TE CL MultiplicativeMagma:VI PU VirtualMagma{PU:IN U Product(U u0,CO U& u1);};TE CL AbstractMagma:VI PU VirtualMagma{PU:M_U m_m_U;IN AbstractMagma(M_U m_U);IN AbstractMagma& OP=(CO AbstractMagma&)NE;IN U Product(U u0,CO U& u1);}; TE IN PointedSet::PointedSet(U b_U):m_b_U(MO(b_U)){}TE IN CO U& PointedSet::Point()CO NE{RE m_b_U;}TE IN U& PointedSet::Point()NE{RE m_b_U;}DF_OF_CPOINT(Unit);DF_OF_CPOINT(Zero);DF_OF_CPOINT(One);DF_OF_CPOINT(Infty);DF_OF_POINT(init);DF_OF_POINT(root);TE IN AbstractNSet::AbstractNSet(F_U f_U):m_f_U(MO(f_U)){ST_AS(is_invocable_r_v);}TE IN AbstractNSet& AbstractNSet::operator=(CO AbstractNSet&)NE{RE *TH;}TE IN U AbstractNSet::Transfer(CO U& u){RE m_f_U(u);}TE IN U VirtualNSet::Inverse(CO U& u){RE Transfer(u);}TE IN AbstractMagma::AbstractMagma(M_U m_U):m_m_U(MO(m_U)){ST_AS(is_invocable_r_v);}TE IN AbstractMagma& AbstractMagma::OP=(CO AbstractMagma&)NE{RE *TH;}TE IN U AdditiveMagma::Product(U u0,CO U& u1){RE MO(u0 += u1);}TE IN U MultiplicativeMagma::Product(U u0,CO U& u1){RE MO(u0 *= u1);}TE IN U AbstractMagma::Product(U u0,CO U& u1){RE m_m_U(MO(u0),u1);}TE IN U VirtualMagma::Sum(U u0,CO U& u1){RE Product(MO(u0),u1);} TE CL VirtualMonoid:VI PU VirtualMagma,VI PU VirtualPointedSet{};TE CL AdditiveMonoid:VI PU VirtualMonoid,PU AdditiveMagma,PU PointedSet{};TE CL MultiplicativeMonoid:VI PU VirtualMonoid,PU MultiplicativeMagma,PU PointedSet{PU:IN MultiplicativeMonoid(U e_U);};TE CL AbstractMonoid:VI PU VirtualMonoid,PU AbstractMagma,PU PointedSet{PU:IN AbstractMonoid(M_U m_U,U e_U);}; TE IN MultiplicativeMonoid::MultiplicativeMonoid(U e_U):PointedSet(MO(e_U)){}TE IN AbstractMonoid::AbstractMonoid(M_U m_U,U e_U):AbstractMagma(MO(m_U)),PointedSet(MO(e_U)){} TE CL VirtualGroup:VI PU VirtualMonoid,VI PU VirtualPointedSet,VI PU VirtualNSet{};TE CL AdditiveGroup:VI PU VirtualGroup,PU AdditiveMonoid{PU:IN U Transfer(CO U& u);};TE CL AbstractGroup:VI PU VirtualGroup,PU AbstractMonoid,PU AbstractNSet{PU:IN AbstractGroup(M_U m_U,U e_U,I_U i_U);}; TE IN AbstractGroup::AbstractGroup(M_U m_U,U e_U,I_U i_U):AbstractMonoid(MO(m_U),MO(e_U)),AbstractNSet(MO(i_U)){}TE IN U AdditiveGroup::Transfer(CO U& u){RE -u;} #define SFINAE_FOR_BIT_BS enable_if_t>* TE CL AbstractBIT{PU:ABELIAN_GROUP m_M;int m_SZ;VE m_fenwick;int m_pw;IN AbstractBIT(ABELIAN_GROUP M,CRI SZ = 0);IN AbstractBIT(ABELIAN_GROUP M,CO VE& a);TE IN VO Initialise(CO Args&... args);IN VO Set(CRI i,CO U& u);VO Add(CRI i,CO U& u);IN CRI SZ()CO NE;IN U OP[](CRI i);IN U Get(CRI i);IN CO U& LSBSegmentSum(CRI j)CO;U InitialSegmentSum(CRI i_final);IN U IntervalSum(int i_start,int i_final);TE int Search(CO F& f);TE IN int Search(CRI i_start,CO F& f);IN int Search(CO U& u);IN int Search(CRI i_start,CO U& u);IN VO COruct();};TE AbstractBIT(ABELIAN_GROUP M,CO Args&... args)-> AbstractBIT,ABELIAN_GROUP>;TE CL BIT:PU AbstractBIT>{PU:TE IN BIT(CO Args&... args);};TE BIT(CO VE& a)-> BIT; TE IN AbstractBIT::AbstractBIT(ABELIAN_GROUP M,CRI SZ):m_M(MO(M)),m_SZ(SZ),m_fenwick(m_SZ + 1,m_M.Zero()),m_pw(1){COruct();}TE IN AbstractBIT::AbstractBIT(ABELIAN_GROUP M,CO VE& a):m_M(MO(M)),m_SZ(a.SZ()),m_fenwick(m_SZ + 1,m_M.Zero()),m_pw(1){COruct();for(int j = 1;j <= m_SZ;j++){int i = j - 1,i_lim = j -(j & -j);U& fenwick_j = m_fenwick[j]= a[i];WH(i > i_lim){fenwick_j = m_M.Sum(MO(fenwick_j),m_fenwick[i]);i -=(i & -i);}}}TE IN VO AbstractBIT::COruct(){ST_AS(is_same_v>);WH(m_pw < m_SZ){m_pw <<= 1;}}TE TE IN BIT::BIT(CO Args&... args):AbstractBIT>(AdditiveGroup(),args...){}TE TE IN VO AbstractBIT::Initialise(CO Args&... args){AbstractBIT temp{m_M,args...};m_SZ = temp.m_SZ;m_fenwick = MO(temp.m_fenwick);m_pw = temp.m_pw;}TE IN VO AbstractBIT::Set(CRI i,CO U& u){Add(i,m_M.Sum(m_M.Inverse(IntervalSum(i,i)),u));}TE VO AbstractBIT::Add(CRI i,CO U& u){if(i < 0){RE;}int j = i + 1;WH(j <= m_SZ){U& fenwick_j = m_fenwick[j];fenwick_j = m_M.Sum(MO(fenwick_j),u);j +=(j & -j);}RE;}TE IN CRI AbstractBIT::SZ()CO NE{RE m_SZ;}TE IN U AbstractBIT::OP[](CRI i){AS(0 <= i && i < m_SZ);RE IntervalSum(i,i);}TE IN U AbstractBIT::Get(CRI i){RE OP[](i);}TE IN CO U& AbstractBIT::LSBSegmentSum(CRI j)CO{AS(0 < j && j <= m_SZ);RE m_fenwick[j];}TE U AbstractBIT::InitialSegmentSum(CRI i_final){U sum = m_M.Zero();int j = min(i_final + 1,m_SZ);WH(j > 0){sum = m_M.Sum(MO(sum),m_fenwick[j]);j -= j & -j;}RE sum;}TE IN U AbstractBIT::IntervalSum(int i_start,int i_final){i_start=max(0,i_start);i_final=min(SZ()- 1,i_final);RE i_start <= i_final?m_M.Sum(m_M.Inverse(InitialSegmentSum(i_start - 1)),InitialSegmentSum(i_final)):m_M.Zero();}TE TE int AbstractBIT::Search(CO F& f){int j = 0;int pw = m_pw;U sum = m_M.Zero();U sum_next = sum;WH(pw > 0){int j_next = j | pw;if(j_next <= m_SZ){sum_next = m_M.Sum(MO(sum_next),m_fenwick[j_next]);if(f(sum_next,j_next - 1)){sum_next = sum;}else{sum = sum_next;j = j_next;}}pw >>= 1;}RE j;}TE TE IN int AbstractBIT::Search(CRI i_start,CO F& f){CO U u_inv = m_M.Inverse(InitialSegmentSum(i_start - 1));RE max(i_start,Search([&](CO U& sum,CRI i){RE i_start <= i && f(m_M.Sum(u_inv,sum),i);}));}TE IN int AbstractBIT::Search(CO U& u){RE Search([&](CO U& sum,CRI){RE !(sum < u);});}TE IN int AbstractBIT::Search(CRI i_start,CO U& u){RE max(i_start,Search(m_M.Sum(InitialSegmentSum(i_start - 1),u)));}TE IN OS& OP<<(OS& os,AbstractBIT& bit){auto&& SZ = bit.SZ();for(int i = 0;i < SZ;i++){(i == 0?os:os << " ")<< bit[i];}RE os;} // 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 ); } FOR( test_case , 0 , test_case_num ){ if constexpr( test_case_num_bound > 1 ){ CERR( "testcase" , test_case , ":" ); } Solve(); CERR( "" ); } } #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 __VA_ARGS__; SET_A( I , N , __VA_ARGS__ ) #define CIN_AA( LL , I0 , N0 , I1 , N1 , VAR ) VE> 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 ); } FOR( test_case , 0 , test_case_num ){ if constexpr( test_case_num_bound > 1 ){ CERR( "testcase" , test_case , ":" ); } Solve(); CERR( "" ); } } #endif #include 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( chrono::duration_cast( 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 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( 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 template using ret_t = decltype( declval()( declval()... ) ); template 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; /* VVV 常設ライブラリの非圧縮版は以下に挿入する。*/ // BinarySearch constexpr bool reactive = #ifdef REACTIVE true; #else false; #endif // EXPRESSIONがANSWERの広義単調関数の時、EXPRESSION >= CONST_TARGETの整数解を格納。 #define BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , DESIRED_INEQUALITY , CONST_TARGET , INEQUALITY_FOR_CHECK , UPDATE_U , UPDATE_L , UPDATE_ANSWER , EXTERNAL ) \ static_assert( ! is_same::value && ! is_same::value ); \ ll ANSWER = MINIMUM; \ { \ ll ANSWER ## _L = MINIMUM; \ ll ANSWER ## _R = MAXIMUM; \ ANSWER = UPDATE_ANSWER; \ ll EXPRESSION_BS; \ const ll CONST_TARGET_BS = ( CONST_TARGET ); \ ll DIFFERENCE_BS; \ while( ANSWER ## _L < ANSWER ## _R ){ \ DIFFERENCE_BS = ( EXPRESSION_BS = ( EXPRESSION ) ) - CONST_TARGET_BS; \ if( DIFFERENCE_BS INEQUALITY_FOR_CHECK 0 ){ \ ANSWER ## _R = UPDATE_U; \ } else { \ ANSWER ## _L = UPDATE_L; \ } \ ANSWER = UPDATE_ANSWER; \ } \ if( ANSWER ## _L > ANSWER ## _R || !( reactive || ( EXPRESSION ) DESIRED_INEQUALITY CONST_TARGET_BS ) ){ \ ANSWER = EXTERNAL; \ } \ } \ // 単調増加の時にEXPRESSION >= CONST_TARGETの最小解を格納。 #define MIN_GEQ( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CONST_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , >= , CONST_TARGET , >= , ANSWER , ANSWER + 1 , Mid( ANSWER ## _L , ANSWER ## _R ) , ( MAXIMUM ) + 1 ) // 単調増加の時にEXPRESSION <= CONST_TARGETの最大解を格納。 #define MAX_LEQ( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CONST_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , <= , CONST_TARGET , > , ANSWER - 1 , ANSWER , Mid( ANSWER ## _L + 1 , ANSWER ## _R ) , ( MINIMUM ) - 1 ) // 単調減少の時にEXPRESSION >= CONST_TARGETの最大解を格納。 #define MAX_GEQ( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CONST_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , >= , CONST_TARGET , < , ANSWER - 1 , ANSWER , Mid( ANSWER ## _L + 1 , ANSWER ## _R ) , ( MINIMUM ) - 1 ) // 単調減少の時にEXPRESSION <= CONST_TARGETの最小解を格納。 #define MIN_LEQ( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CONST_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , <= , CONST_TARGET , <= , ANSWER , ANSWER + 1 , Mid( ANSWER ## _L , ANSWER ## _R ) , ( MAXIMUM ) + 1 ) template inline constexpr INT Mid( const INT& l , const INT& r ) { return l + ( ( r - l ) >> 1 ); } // 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 DC_OF_HASH( ... ) DECLARATION_OF_HASH( __VA_ARGS__ ) #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 inline T pop_max( SET& S ) { assert( !S.empty() ); auto itr = --S.end(); T answer = *itr; S.erase( itr ); return answer; } \ template inline T pop_min( SET& S ) { assert( !S.empty() ); auto itr = S.begin(); T answer = *itr; S.erase( itr ); return answer; } \ template inline SET& operator<<=( SET& S , T t ) { S.insert( move( t ) ); return S; } \ template inline SET& operator<<=( SET& S , U&& u ) { S.insert( T{ forward( u ) } ); return S; } \ template 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 inline SET& operator>>=( SET& S , const U& u ) { return S >>= T{ u }; } \ template 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 inline SET& operator|=( SET& S0 , SET S1 ) { S0.merge( move( S1 ) ); return S0; } \ template inline SET operator|( SET S0 , SET S1 ) { return move( S0.size() < S1.size() ? S1 |= move( S0 ) : S0 |= move( S1 ) ); } \ class is_ordered { private: is_ordered() = delete; template static constexpr auto Check( const T& t ) -> decltype( t < t , true_type() ); static constexpr false_type Check( ... ); public: template static constexpr const bool value = is_same_v< decltype( Check( declval() ) ) , true_type >; }; template using Set = conditional_t>,unordered_set,conditional_t,set,void>>; template 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 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 inline typename SET::const_iterator MinimumGeq( const SET& S , const T& t ) { return S.lower_bound( t ); } template inline typename SET::const_iterator MinimumGt( const SET& S , const T& t ) { return S.upper_bound( t ); } template inline void EraseBack( SET& S , ITERATOR& itr ) { itr = S.erase( itr ); } template inline void EraseFront( SET& S , ITERATOR& itr ) { itr = S.erase( itr ); itr == S.begin() ? itr = S.end() : --itr; } template