結果
問題 | No.2077 Get Minimum Algorithm |
ユーザー |
👑 |
提出日時 | 2023-09-20 11:36:44 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 122 ms / 3,000 ms |
コード長 | 21,383 bytes |
コンパイル時間 | 10,228 ms |
コンパイル使用メモリ | 290,660 KB |
最終ジャッジ日時 | 2025-02-16 23:39:40 |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 36 |
ソースコード
#ifdef DEBUG#define _GLIBCXX_DEBUG#define UNTIE ios_base::sync_with_stdio( false ); cin.tie( nullptr ); signal( SIGABRT , &AlertAbort )#define DEXPR( LL , BOUND , VALUE , DEBUG_VALUE ) CEXPR( LL , BOUND , DEBUG_VALUE )#define CERR( ... ) VariadicCout( cerr , __VA_ARGS__ ) << endl#define COUT( ... ) VariadicCout( cout << "出力: " , __VA_ARGS__ ) << endl#define CERR_A( A , N ) OUTPUT_ARRAY( cerr , A , N ) << endl#define COUT_A( A , N ) cout << "出力: "; OUTPUT_ARRAY( cout , A , N ) << endl#define CERR_ITR( A ) OUTPUT_ITR( cerr , A ) << endl#define COUT_ITR( A ) cout << "出力: "; OUTPUT_ITR( cout , A ) << endl#define ASSERT( A , MIN , MAX ) CERR( "ASSERTチェック: " , ( MIN ) , ( ( MIN ) <= A ? "<=" : ">" ) , A , ( A <= ( MAX ) ? "<=" : ">" ) , ( MAX )); assert( ( MIN ) <= A && A <= ( MAX ) )#define AUTO_CHECK bool auto_checked = true; AutoCheck( auto_checked ); if( auto_checked ){ return 0; };#else#pragma GCC optimize ( "O3" )#pragma GCC optimize ( "unroll-loops" )#pragma GCC target ( "sse4.2,fma,avx2,popcnt,lzcnt,bmi2" )#define UNTIE ios_base::sync_with_stdio( false ); cin.tie( nullptr )#define DEXPR( LL , BOUND , VALUE , DEBUG_VALUE ) CEXPR( LL , BOUND , VALUE )#define CERR( ... )#define COUT( ... ) VariadicCout( cout , __VA_ARGS__ ) << "\n"#define CERR_A( A , N )#define COUT_A( A , N ) OUTPUT_ARRAY( cout , A , N ) << "\n"#define CERR_ITR( A )#define COUT_ITR( A ) OUTPUT_ITR( cout , A ) << "\n"#define ASSERT( A , MIN , MAX ) assert( ( MIN ) <= A && A <= ( MAX ) )#define AUTO_CHECK#endif#include <bits/stdc++.h>using namespace std;using uint = unsigned int;using ll = long long;using ull = unsigned long long;using ld = long double;using lld = __float128;// #define RANDOM_TEST#if defined( DEBUG ) && defined( RANDOM_TEST )ll GetRand( const ll& Rand_min , const ll& Rand_max );#define SET_ASSERT( A , MIN , MAX ) CERR( #A , " = " , ( A = GetRand( MIN , MAX ) ) )#define RETURN( ANSWER ) if( ( ANSWER ) == guchoku ){ CERR( ANSWER , "==" , guchoku ); goto END_MAIN; } else { CERR( ANSWER , "!=" , guchoku ); QUIT; }#else#define SET_ASSERT( A , MIN , MAX ) cin >> A; ASSERT( A , MIN , MAX )#define RETURN( ANSWER ) COUT( ANSWER ); QUIT#endif#define ATT __attribute__( ( target( "sse4.2,fma,avx2,popcnt,lzcnt,bmi2" ) ) )#define TYPE_OF( VAR ) decay_t<decltype( VAR )>#define CEXPR( LL , BOUND , VALUE ) constexpr LL BOUND = VALUE#define CIN( LL , ... ) LL __VA_ARGS__; VariadicCin( cin , __VA_ARGS__ )#define CIN_ASSERT( A , MIN , MAX ) TYPE_OF( MAX ) A; SET_ASSERT( A , MIN , MAX )#define CIN_A( LL , A , N ) LL A[N]; FOR( VARIABLE_FOR_CIN_A , 0 , N ){ cin >> A[VARIABLE_FOR_CIN_A]; }#define GETLINE_SEPARATE( SEPARATOR , ... ) string __VA_ARGS__; VariadicGetline( cin , SEPARATOR , __VA_ARGS__ )#define GETLINE( ... ) GETLINE_SEPARATE( " " , ... )#define FOR( VAR , INITIAL , FINAL_PLUS_ONE ) for( TYPE_OF( FINAL_PLUS_ONE ) VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ )#define FOREQ( VAR , INITIAL , FINAL ) for( TYPE_OF( FINAL ) VAR = INITIAL ; VAR <= FINAL ; VAR ++ )#define FOREQINV( VAR , INITIAL , FINAL ) for( TYPE_OF( INITIAL ) VAR = INITIAL ; VAR >= FINAL ; VAR -- )#define AUTO_ITR( ARRAY ) auto itr_ ## ARRAY = ARRAY .begin() , end_ ## ARRAY = ARRAY .end()#define FOR_ITR( ARRAY ) for( AUTO_ITR( ARRAY ) , itr = itr_ ## ARRAY ; itr_ ## ARRAY != end_ ## ARRAY ; itr_ ## ARRAY ++ , itr++ )#define REPEAT( HOW_MANY_TIMES ) FOR( VARIABLE_FOR_REPEAT_ ## HOW_MANY_TIMES , 0 , HOW_MANY_TIMES )#define SET_PRECISION( DECIMAL_DIGITS ) cout << fixed << setprecision( DECIMAL_DIGITS )#define OUTPUT_ARRAY( OS , A , N ) FOR( VARIABLE_FOR_OUTPUT_ARRAY , 0 , N ){ OS << A[VARIABLE_FOR_OUTPUT_ARRAY] << (VARIABLE_FOR_OUTPUT_ARRAY==N-1?"":" "); } OS#define OUTPUT_ITR( OS , A ) { auto ITERATOR_FOR_OUTPUT_ITR = A.begin() , END_FOR_OUTPUT_ITR = A.end(); bool VARIABLE_FOR_OUTPUT_ITR =ITERATOR_FOR_COUT_ITR != END_FOR_COUT_ITR; while( VARIABLE_FOR_OUTPUT_ITR ){ OS << *ITERATOR_FOR_COUT_ITR; ( VARIABLE_FOR_OUTPUT_ITR =++ITERATOR_FOR_COUT_ITR != END_FOR_COUT_ITR ) ? OS : OS << " "; } } OS#define QUIT goto END_MAIN#define TEST_CASE_NUM( BOUND ) DEXPR( int , bound_T , BOUND , min( BOUND , 100 ) ); int T = 1; if constexpr( bound_T > 1 ){ SET_ASSERT( T , 1 ,bound_T ); }#define START_MAIN REPEAT( T ){ if constexpr( bound_T > 1 ){ CERR( "testcase " , VARIABLE_FOR_REPEAT_T , ":" ); }#define START_WATCH chrono::system_clock::time_point watch = chrono::system_clock::now()#define 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 < TL_MS - 100.0 )#define FINISH_MAIN QUIT; END_MAIN: CERR( "" ); }// 入出力用関数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>& 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 , constchar& 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 , const Arg& arg ) { return os<< arg; }template <class Traits , typename Arg1 , typename Arg2 , typename... ARGS> inline basic_ostream<char,Traits>& VariadicCout( basic_ostream<char,Traits>& os , const Arg1& arg1 , const Arg2& arg2 , const ARGS&... args ) { return VariadicCout( os << arg1 << " " , arg2 , args... ); }// 算術用関数template <typename T> inline T Residue( const T& a , const T& p ){ return a >= 0 ? a % p : p - 1 - ( ( - ( a + 1 ) ) % p ); }inline ll MIN( const ll& a , const ll& b ){ return min( a , b ); }inline ull MIN( const ull& a , const ull& b ){ return min( a , b ); }inline ll MAX( const ll& a , const ll& b ){ return max( a , b ); }inline ull MAX( const ull& a , const ull& b ){ return max( a , b ); }#define POWER( ANSWER , ARGUMENT , EXPONENT ) \static_assert( ! is_same<TYPE_OF( ARGUMENT ),int>::value && ! is_same<TYPE_OF( ARGUMENT ),uint>::value ); \TYPE_OF( ARGUMENT ) ANSWER{ 1 }; \{ \TYPE_OF( ARGUMENT ) ARGUMENT_FOR_SQUARE_FOR_POWER = ( ARGUMENT ); \TYPE_OF( EXPONENT ) EXPONENT_FOR_SQUARE_FOR_POWER = ( EXPONENT ); \while( EXPONENT_FOR_SQUARE_FOR_POWER != 0 ){ \if( EXPONENT_FOR_SQUARE_FOR_POWER % 2 == 1 ){ \ANSWER *= ARGUMENT_FOR_SQUARE_FOR_POWER; \} \ARGUMENT_FOR_SQUARE_FOR_POWER *= ARGUMENT_FOR_SQUARE_FOR_POWER; \EXPONENT_FOR_SQUARE_FOR_POWER /= 2; \} \} \#define POWER_MOD( ANSWER , ARGUMENT , EXPONENT , MODULO ) \ll ANSWER{ 1 }; \{ \ll ARGUMENT_FOR_SQUARE_FOR_POWER = ( ( MODULO ) + ( ( ARGUMENT ) % ( MODULO ) ) ) % ( MODULO ); \TYPE_OF( EXPONENT ) EXPONENT_FOR_SQUARE_FOR_POWER = ( EXPONENT ); \while( EXPONENT_FOR_SQUARE_FOR_POWER != 0 ){ \if( EXPONENT_FOR_SQUARE_FOR_POWER % 2 == 1 ){ \ANSWER = ( ANSWER * ARGUMENT_FOR_SQUARE_FOR_POWER ) % ( MODULO ); \} \ARGUMENT_FOR_SQUARE_FOR_POWER = ( ARGUMENT_FOR_SQUARE_FOR_POWER * ARGUMENT_FOR_SQUARE_FOR_POWER ) % ( MODULO ); \EXPONENT_FOR_SQUARE_FOR_POWER /= 2; \} \} \#define FACTORIAL_MOD( ANSWER , ANSWER_INV , INVERSE , MAX_INDEX , CONSTEXPR_LENGTH , MODULO ) \static ll ANSWER[CONSTEXPR_LENGTH]; \static ll ANSWER_INV[CONSTEXPR_LENGTH]; \static ll INVERSE[CONSTEXPR_LENGTH]; \{ \ll VARIABLE_FOR_PRODUCT_FOR_FACTORIAL = 1; \ANSWER[0] = VARIABLE_FOR_PRODUCT_FOR_FACTORIAL; \FOREQ( i , 1 , MAX_INDEX ){ \ANSWER[i] = ( VARIABLE_FOR_PRODUCT_FOR_FACTORIAL *= i ) %= ( MODULO ); \} \ANSWER_INV[0] = ANSWER_INV[1] = INVERSE[1] = VARIABLE_FOR_PRODUCT_FOR_FACTORIAL = 1; \FOREQ( i , 2 , MAX_INDEX ){ \ANSWER_INV[i] = ( VARIABLE_FOR_PRODUCT_FOR_FACTORIAL *= INVERSE[i] = ( MODULO ) - ( ( ( ( MODULO ) / i ) * INVERSE[ ( MODULO ) % i ] ) % (MODULO ) ) ) %= ( MODULO ); \} \} \// 二分探索テンプレート// EXPRESSIONがANSWERの広義単調関数の時、EXPRESSION >= TARGETの整数解を格納。#define BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , DESIRED_INEQUALITY , TARGET , INEQUALITY_FOR_CHECK , UPDATE_U , UPDATE_L , UPDATE_ANSWER ) \static_assert( ! is_same<TYPE_OF( TARGET ),uint>::value && ! is_same<TYPE_OF( TARGET ),ull>::value ); \ll ANSWER = MINIMUM; \if( MINIMUM <= MAXIMUM ){ \ll VARIABLE_FOR_BINARY_SEARCH_L = MINIMUM; \ll VARIABLE_FOR_BINARY_SEARCH_U = MAXIMUM; \ANSWER = ( VARIABLE_FOR_BINARY_SEARCH_L + VARIABLE_FOR_BINARY_SEARCH_U ) / 2; \ll VARIABLE_FOR_DIFFERENCE_FOR_BINARY_SEARCH; \while( VARIABLE_FOR_BINARY_SEARCH_L != VARIABLE_FOR_BINARY_SEARCH_U ){ \VARIABLE_FOR_DIFFERENCE_FOR_BINARY_SEARCH = ( EXPRESSION ) - ( TARGET ); \CERR( "二分探索中: " << VARIABLE_FOR_BINARY_SEARCH_L << "<=" << ANSWER << "<=" << VARIABLE_FOR_BINARY_SEARCH_U << ":" << EXPRESSION << "-" <<TARGET << "=" << VARIABLE_FOR_DIFFERENCE_FOR_BINARY_SEARCH ); \if( VARIABLE_FOR_DIFFERENCE_FOR_BINARY_SEARCH INEQUALITY_FOR_CHECK 0 ){ \VARIABLE_FOR_BINARY_SEARCH_U = UPDATE_U; \} else { \VARIABLE_FOR_BINARY_SEARCH_L = UPDATE_L; \} \ANSWER = UPDATE_ANSWER; \} \CERR( "二分探索終了: " << VARIABLE_FOR_BINARY_SEARCH_L << "<=" << ANSWER << "<=" << VARIABLE_FOR_BINARY_SEARCH_U << ":" << EXPRESSION << (EXPRESSION > TARGET ? ">" : EXPRESSION < TARGET ? "<" : "=" ) << TARGET ); \if( EXPRESSION DESIRED_INEQUALITY TARGET ){ \CERR( "二分探索成功" ); \} else { \CERR( "二分探索失敗" ); \ANSWER = MAXIMUM + 1; \} \} else { \CERR( "二分探索失敗: " << MINIMUM << ">" << MAXIMUM ); \ANSWER = MAXIMUM + 1; \} \// 単調増加の時にEXPRESSION >= TARGETの最小解を格納。#define BS1( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , TARGET ) \BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , >= , TARGET , >= , ANSWER , ANSWER + 1 , ( VARIABLE_FOR_BINARY_SEARCH_L +VARIABLE_FOR_BINARY_SEARCH_U ) / 2 ) \// 単調増加の時にEXPRESSION <= TARGETの最大解を格納。#define BS2( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , TARGET ) \BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , <= , TARGET , > , ANSWER - 1 , ANSWER , ( VARIABLE_FOR_BINARY_SEARCH_L + 1 +VARIABLE_FOR_BINARY_SEARCH_U ) / 2 ) \// 単調減少の時にEXPRESSION >= TARGETの最大解を格納。#define BS3( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , TARGET ) \BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , >= , TARGET , < , ANSWER - 1 , ANSWER , ( VARIABLE_FOR_BINARY_SEARCH_L + 1 +VARIABLE_FOR_BINARY_SEARCH_U ) / 2 ) \// 単調減少の時にEXPRESSION <= TARGETの最小解を格納。#define BS4( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , TARGET ) \BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , <= , TARGET , <= , ANSWER , ANSWER + 1 , ( VARIABLE_FOR_BINARY_SEARCH_L +VARIABLE_FOR_BINARY_SEARCH_U ) / 2 ) \// t以下の値が存在すればその最大値のiterator、存在しなければend()を返す。template <typename T> inline typename set<T>::iterator MaximumLeq( set<T>& S , const T& t ) { const auto end = S.end(); if( S.empty() ){ return end;} auto itr = S.upper_bound( t ); return itr == end ? S.find( *( S.rbegin() ) ) : itr == S.begin() ? end : --itr; }// t未満の値が存在すればその最大値のiterator、存在しなければend()を返す。template <typename T> inline typename set<T>::iterator MaximumLt( set<T>& S , const T& t ) { const auto end = S.end(); if( S.empty() ){ return end; }auto itr = S.lower_bound( t ); return itr == end ? S.find( *( S.rbegin() ) ) : itr == S.begin() ? end : --itr; }// t以上の値が存在すればその最小値のiterator、存在しなければend()を返す。template <typename T> inline typename set<T>::iterator MinimumGeq( set<T>& S , const T& t ) { return S.lower_bound( t ); }// tより大きい値が存在すればその最小値のiterator、存在しなければend()を返す。template <typename T> inline typename set<T>::iterator MinimumGt( set<T>& S , const T& t ) { return S.upper_bound( t ); }// データ構造用関数template <typename T> inline T add( const T& t0 , const T& t1 ) { return t0 + t1; }template <typename T> inline T xor_add( const T& t0 , const T& t1 ){ return t0 ^ t1; }template <typename T> inline T multiply( const T& t0 , const T& t1 ) { return t0 * t1; }template <typename T> inline const T& zero() { static const T z = 0; return z; }template <typename T> inline const T& one() { static const T o = 1; return o; }\template <typename T> inline T add_inv( const T& t ) { return -t; }template <typename T> inline T id( const T& v ) { return v; }// グリッド問題用関数int H , W , H_minus , W_minus , HW;inline pair<int,int> EnumHW( const int& v ) { return { v / W , v % W }; }inline int EnumHW_inv( const int& h , const int& w ) { return h * W + w; }const string direction[4] = {"U","R","D","L"};// (i,j)->(k,h)の方向番号を取得inline int DirectionNumberOnGrid( const int& i , const int& j , const int& k , const int& h ){return i<k?2:i>k?0:j<h?1:j>h?3:(assert(false),-1);}// v->wの方向番号を取得inline int DirectionNumberOnGrid( const int& v , const int& w ){auto [i,j]=EnumHW(v);auto [k,h]=EnumHW(w);return DirectionNumberOnGrid(i,j,k,h);}// 方向番号の反転U<->D、R<->Linline int ReverseDirectionNumberOnGrid( const int& n ){assert(0<=n&&n<4);return(n+2)%4;}// デバッグ用関数#ifdef DEBUGinline 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。" ); }void AutoCheck( bool& auto_checked );#endif// 圧縮用#define TE template#define TY typename#define US using#define ST static#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 MO move#define TH this#define CRI CO int&#define CRUI CO uint&#define CRL CO ll&// VVV ライブラリは以下に挿入する。TE<int N>CL PWInverse_CE{PU:int m_val;CE PWInverse_CE();};TE<int N>CE PWInverse_CE<N>::PWInverse_CE():m_val(1){WH(m_val < N){m_val <<= 1;}}TE <TY T,int N>CL BIT{PU:T m_fenwick[N + 1];IN BIT();BIT(CO T(&a)[N]);IN T Get(CRI i)CO;IN VO Set(CRI i,CO T& n);IN VO Set(CO T(&a)[N]);IN VOInitialise();IN BIT<T,N>& OP+=(CO T(&a)[N]);VO Add(CRI i,CO T& n);T InitialSegmentSum(CRI i_final)CO;IN T IntervalSum(CRI i_start,CRI i_final)CO;int BinarySearch(CO T& n)CO;IN int BinarySearch(CRI i_start,CO T& n)CO;};TE <TY T,int N> IN BIT<T,N>::BIT():m_fenwick(){static_assert(! is_same<T,int>::value);}TE <TY T,int N>BIT<T,N>::BIT(CO T(&a)[N]):m_fenwick(){static_assert(! is_same<T,int>::value);for(int j = 1;j <= N;j++){T& fenwick_j = m_fenwick[j];int i = j - 1;fenwick_j = a[i];int i_lim = j -(j& -j);WH(i != i_lim){fenwick_j += m_fenwick[i];i -=(i & -i);}}}TE <TY T,int N> IN T BIT<T,N>::Get(CRI i)CO{RE IntervalSum(i,i);}TE <TY T,int N>IN VO BIT<T,N>::Set(CRI i,CO T& n){Add(i,n - IntervalSum(i,i));}TE <TY T,int N> IN VO BIT<T,N>::Set(CO T(&a)[N]){BIT<T,N> a_copy{a};swap(m_fenwick,a_copy.m_fenwick);}TE <TY T,int N> IN VO BIT<T,N>::Initialise(){for(int j = 1;j <= N;j++){m_fenwick[j] = 0;}}TE <TY T,int N> IN BIT<T,N>& BIT<T,N>::OP+=(CO T(&a)[N]){for(int i = 0;i < N;i++){Add(i,a[i]);}RE *TH;}TE <TY T,int N>VO BIT<T,N>::Add(CRI i,CO T& n){int j = i + 1;WH(j<= N){m_fenwick[j] += n;j +=(j & -j);}RE;}TE <TY T,int N>T BIT<T,N>::InitialSegmentSum(CRI i_final)CO{T sum = 0;int j =(i_final < N?i_final:N - 1)+ 1;WH(j > 0){sum += m_fenwick[j];j -= j & -j;}RE sum;}TE <TY T,int N> IN T BIT<T,N>::IntervalSum(CRI i_start,CRI i_final)CO{REInitialSegmentSum(i_final)- InitialSegmentSum(i_start - 1);}TE <TY T,int N>int BIT<T,N>::BinarySearch(CO T& n)CO{int j = 0;int PW = PWInverse_CE<N>().m_val;T sum{};T sum_next{};WH(PW > 0){int j_next = j | PW;if(j_next < N){sum_next += m_fenwick[j_next];if(sum_next < n){sum = sum_next;j =j_next;}else{sum_next = sum;}}PW >>= 1;}RE j;}TE <TY T,int N> IN int BIT<T,N>::BinarySearch(CRI i_start,CO T& n)CO{RE max(i_start,BinarySearch(InitialSegmentSum(i_start)+ n));}// AAA ライブラリは以上に挿入する。// データ構造使用畤のNの上限// inline CEXPR( int , bound_N , 10 );inline DEXPR( int , bound_N , 100000 , 100 ); // 0が5個// inline CEXPR( int , bound_N , 1000000000 ); // 0が9個// inline CEXPR( ll , bound_N , 1000000000000000000 ); // 0が18個// データ構造使用畤のMの上限// inline CEXPR( TYPE_OF( bound_N ) , bound_M , bound_N );// inline CEXPR( int , bound_M , 10 );inline DEXPR( int , bound_M , 100000 , 100 ); // 0が5個// inline CEXPR( int , bound_M , 1000000000 ); // 0が9個// inline CEXPR( ll , bound_M , 1000000000000000000 ); // 0が18個// データ構造や壁配列使用畤のH,Wの上限inline DEXPR( int , bound_H , 1000 , 20 );// inline DEXPR( int , bound_H , 100000 , 10 ); // 0が5個// inline CEXPR( int , bound_H , 1000000000 ); // 0が9個inline CEXPR( int , bound_W , bound_H );static_assert( ll( bound_H ) * bound_W < ll( 1 ) << 31 );inline CEXPR( int , bound_HW , bound_H * bound_W );// CEXPR( int , bound_HW , 100000 ); // 0が5個// CEXPR( int , bound_HW , 1000000 ); // 0が6個inline void SetEdgeOnGrid( const string& Si , const int& i , list<int> ( &e )[bound_HW] , const char& walkable = '.' ){FOR(j,0,W){if(Si[j]==walkable){int v = EnumHW_inv(i,j);if(i>0){e[EnumHW_inv(i-1,j)].push_back(v);}if(i+1<H){e[EnumHW_inv(i+1,j)].push_back(v);}if(j>0){e[EnumHW_inv(i,j-1)].push_back(v);}if(j+1<W){e[EnumHW_inv(i,j+1)].push_back(v);}}}}inline void SetEdgeOnGrid( const string& Si , const int& i , list<pair<int,ll> > ( &e )[bound_HW] , const char& walkable = '.' , const char&unwalkable = '#' ){FOR(j,0,W){if(Si[j]==walkable){const int v=EnumHW_inv(i,j);if(i>0){e[EnumHW_inv(i-1,j)].push_back({v,1});}if(i+1<H){e[EnumHW_inv(i+1,j)].push_back({v,1});}if(j>0){e[EnumHW_inv(i,j-1)].push_back({v,1});}if(j+1<W){e[EnumHW_inv(i,j+1)].push_back({v,1});}}}}inline void SetWallOnGrid( const string& Si , const int& i , bool ( &non_wall )[bound_H+1][bound_W+1] , const char& walkable = '.' , const char&unwalkable = '#' ){bool(&non_wall_i)[bound_W+1]=non_wall[i];FOR(j,0,W){non_wall_i[j]=Si[j]==walkable?true:(assert(Si[j]==unwalkable),false);}}// using path_type = int;// // using path_type = pair<int,ll>;// CEXPR( int , bound_E , bound_M ); // bound_Mのデフォルト値は10^5。// // CEXPR( int , bound_E , bound_HW ); // bound_HWのデフォルト値は10^6。// list<path_type> e[bound_E] = {};// list<path_type> E( const int& i )// {// list<path_type> answer{};// list<path_type> answer = e[i];// // 入力によらない処理// return answer;// }// ライブラリをここに挿入しない。int main(){UNTIE;AUTO_CHECK;TEST_CASE_NUM( 1 );START_MAIN;CIN( ll , N );int P[N];int P_inv[N];FOR( i , 0 , N ){cin >> P[i];P_inv[--P[i]] = i;}list<int> f_inv[N];BIT<ll,bound_N> P_image{};FOR( i , 0 , N ){P_image.Add( P_inv[i] , 1 );f_inv[ P_image.IntervalSum( 0 , P_inv[i] - 1 ) ].push_back( P_inv[i] );}CIN( int , Q );tuple<int,int,int> query[Q];FOR( q , 0 , Q ){CIN( int , x , y );query[q] = { x , --y , q };}sort( query , query + Q );int answer[Q];P_image.Initialise();BIT<ll,bound_N> P_inv_image{};int temp_x = -1;bool inT[N] = {};FOR( j , 0 , Q ){auto& [x,y,q] = query[j];while( temp_x < x ){if( temp_x >= 0 ){// 解説の「maxを外す」では恐らくi>=kという条件を書き忘れなので注意。// 従って恐らくU_xの定義もi>=kの書き忘れなので、i<k部分を削除しないと// 誤った値が返るはず。P_image.Set( temp_x , 0 );P_inv_image.Set( temp_x , 0 );}auto& f_inv_x = f_inv[++temp_x];FOR_ITR( f_inv_x ){inT[P[*itr]] = true;P_image.Add( P[*itr] , 1 );P_inv_image.Add( *itr , 1 );}f_inv_x.clear();}if( inT[y] ){// 解説の「P_{k,i}についての考察」の「i個以下」は恐らく「k個以下」の誤植なので注意。int k = P_image.IntervalSum( y , N - 1 );answer[q] = P_inv_image.BinarySearch( k ) + 1;} else {answer[q] = P_inv[y] + 1;}}FOR( q , 0 , Q ){COUT( answer[q] );}FINISH_MAIN;}