#ifndef INCLUDE_MODE #define INCLUDE_MODE // #define REACTIVE // #define USE_GETLINE #endif #ifdef INCLUDE_MAIN IN VO Solve() { cin >> H >> W; H_minus = H - 1; W_minus = W - 1; HW = H * W; CIN( int , K , L , R ); vector> e( HW ); FOR( i , 0 , H ){ SetWallStringOnGrid( i , grid ); } if( ( R - L ) % 2 == 0 ){ RETURN( "No" ); } EnumerationGraph graph{ HW , EnumHW , EnumHW_inv , EdgeOnGrid }; BreadthFirstSearch bfs0{ graph , T2{ -1 , -1 } , T2{ 0 , 0 } }; BreadthFirstSearch bfs1{ graph , T2{ -1 , -1 } , T2{ H - 1 , W - 1 } }; vector depth[2] = { bfs0.GetDistance() , bfs1.GetDistance() }; int R_reverse = K - R + 1; FOR( v , 0 , HW ){ int& depth0v = depth[0][v]; if( depth0v == -1 || depth0v >= L || ( depth0v - L ) % 2 == 0 ){ continue; } int& depth1v = depth[1][v]; if( depth1v == -1 || depth1v >= R_reverse || ( depth1v - R_reverse ) % 2 == 0 ){ continue; } auto [i,j] = EnumHW( v ); int answer_LR = -1; if( 0 < i && i + 1 < H ){ if( grid[i-1][j] == '.' && grid[i+1][j] == '.' ){ answer_LR = 0; } } if( 0 < j && j + 1 < W ){ if( grid[i][j-1] == '.' && grid[i][j+1] == '.' ){ answer_LR = 1; } } if( answer_LR != -1 ){ vector answer( K + 1 ); int k = i; int h = j; FOREQINV( n , depth0v , 1 ){ auto& [k_prev,h_prev] = bfs0.prev( { k , h } ); answer[n] = DirectionNumberOnGrid( k_prev , h_prev , k , h ); k = k_prev; h = h_prev; } int& answer_L_front = answer[depth0v]; int answer_L_front_reverse = ReverseDirectionNumberOnGrid( answer_L_front ); FOR( n , depth0v + 1 , L ){ answer[n] = ( n - depth0v ) % 2 == 1 ? answer_L_front_reverse : answer_L_front; } int answer_LR_reverse = ReverseDirectionNumberOnGrid( answer_LR ); FOREQ( n , L , R ){ answer[n] = ( n - L ) % 2 == 0 ? answer_LR_reverse : answer_LR; } int depth1v_reverse = K - depth1v + 1; k = i; h = j; FOREQ( n , depth1v_reverse , K ){ auto& [k_next,h_next] = bfs1.prev( { k , h } ); answer[n] = DirectionNumberOnGrid( k , h , k_next , h_next ); k = k_next; h = h_next; } int& answer_R_back = answer[depth1v_reverse]; int answer_R_back_reverse = ReverseDirectionNumberOnGrid( answer_R_back ); FOR( n , R + 1 , depth1v_reverse ){ answer[n] = ( n - R ) % 2 == 1 ? answer_R_back : answer_R_back_reverse; } COUT( "Yes" ); FOREQ( n , 1 , K ){ cout << direction[answer[n]]; } RETURN( "" ); } } RETURN( "No" ); } REPEAT_MAIN(1); #else // INCLUDE_MAIN #ifdef INCLUDE_SUB // COMPAREに使用。圧縮時は削除する。 ll Naive( ll N , ll M , ll K ) { ll answer = N + M + K; return answer; } // COMPAREに使用。圧縮時は削除する。 ll Answer( ll N , ll M , ll K ) { // START_WATCH; ll answer = N + M + K; // // TLに準じる乱択や全探索。デフォルトの猶予は100.0[ms]。 // CEXPR( double , TL , 2000.0 ); // while( CHECK_WATCH( TL ) ){ // } return answer; } // 圧縮時は中身だけ削除する。 IN VO Experiment() { // CEXPR( int , bound , 10 ); // FOREQ( N , 0 , bound ){ // FOREQ( M , 0 , bound ){ // FOREQ( K , 0 , bound ){ // COUT( N , M , K , ":" , Naive( N , M , K ) ); // } // } // // cout << Naive( N ) << ",\n"[N==bound]; // } } // 圧縮時は中身だけ削除する。 IN VO SmallTest() { // CEXPR( int , bound , 10 ); // FOREQ( N , 0 , bound ){ // FOREQ( M , 0 , bound ){ // FOREQ( K , 0 , bound ){ // COMPARE( N , M , K ); // } // } // } } // 圧縮時は中身だけ削除する。 IN VO RandomTest() { // CEXPR( int , bound_N , 1e5 ); CIN_ASSERT( N , 1 , bound_N ); // CEXPR( ll , bound_M , 1e18 ); CIN_ASSERT( M , 1 , bound_M ); // CEXPR( ll , bound_K , 1e9 ); CIN_ASSERT( K , 1 , bound_K ); // COMPARE( N , M , N ); } #define INCLUDE_MAIN #include __FILE__ #else // INCLUDE_SUB #ifdef INCLUDE_LIBRARY /* AdicExhausiveSearch/BFS (11KB) c:/Users/user/Documents/Programming/Mathematics/Geometry/Graph/BreadthFirstSearch/AdicExhausiveSearch/compress.txt CommutativeDualSqrtDecomposition (6KB) c:/Users/user/Documents/Programming/Mathematics/SetTheory/DirectProduct/AffineSpace/SqrtDecomposition/Dual/Commutative/compress.txt CoordinateCompress (3KB) c:/Users/user/Documents/Programming/Mathematics/SetTheory/DirectProduct/CoordinateCompress/compress.txt DFSOnTree (11KB) c:/Users/user/Documents/Programming/Mathematics/Geometry/Graph/DepthFirstSearch/Tree/compress.txt DifferenceSequence (9KB) c:/Users/user/Documents/Programming/Mathematics/SetTheory/DirectProduct/AffineSpace/DifferenceSequence/compress.txt Divisor/Prime (4KB) c:/Users/user/Documents/Programming/Mathematics/Arithmetic/Prime/Divisor/compress.txt IntervalAddBIT (9KB) c:/Users/user/Documents/Programming/Mathematics/SetTheory/DirectProduct/AffineSpace/BIT/IntervalAdd/compress.txt IntervalMaxBIT (9KB) c:/Users/user/Documents/Programming/Mathematics/SetTheory/DirectProduct/AffineSpace/BIT/IntervalMax/compress.txt IntervalMultiplyLazySqrtDecomposition (18KB) c:/Users/user/Documents/Programming/Mathematics/SetTheory/DirectProduct/AffineSpace/SqrtDecomposition/LazyEvaluation/IntervalMultiply/compress.txt Knapsack (8KB) c:/Users/user/Documents/Programming/Mathematics/Combinatorial/KnapsackProblem/compress.txt MinimumCostFlow/PotentialisedDijkstra/Dijkstra (16KB) c:/Users/user/Documents/Programming/Mathematics/Geometry/Graph/Dijkstra/Potentialised/MinimumCostFlow/compress.txt Polynomial (21KB) c:/Users/user/Documents/Programming/Mathematics/Polynomial/compress.txt TwoByOneMatrix/TwoByTwoMatrix (9KB) C:/Users/user/Documents/Programming/Mathematics/LinearAlgebra/TwoByOne/compress.txt UnionFind (3KB) c:/Users/user/Documents/Programming/Mathematics/Geometry/Graph/UnionFindForest/compress.txt */ // VVV 常設でないライブラリは以下に挿入する。 #ifdef DEBUG #include "c:/Users/user/Documents/Programming/Mathematics/Geometry/Graph/BreadthFirstSearch/a_Body.hpp" #else TE CL VirtualBreadthFirstSearch{PU:GRAPH& m_G;T m_not_found;bool m_initialised;LI m_next;VE m_found;VE m_prev;IN VirtualBreadthFirstSearch(GRAPH& G,CO T& not_found);TE IN VirtualBreadthFirstSearch(GRAPH& G,CO T& not_found,Arg&& init);IN VO Initialise();IN VO Initialise(CO T& init);IN VO Initialise(LI inits);IN VO Shift(CO T& init);IN VO Shift(LI inits);IN CRI SZ()CO NE;IN VE::reference found(CO T& t);IN CO T& prev(CO T& t);IN T Next();TE auto GetDistance()-> enable_if_t().edge())>>,Map>;TE auto GetDistance()-> enable_if_t().edge())>>,VE>;pair,int> GetConnectedComponent();VI VO Push(LI& next,CO T& t)= 0;TE IN VO Push(LI& next,CO PATH& p);}; TE IN VirtualBreadthFirstSearch::VirtualBreadthFirstSearch(GRAPH& G,CO T& not_found):m_G(G),m_not_found(not_found),m_initialised(false),m_next(),m_found(),m_prev(){}TE TE IN VirtualBreadthFirstSearch::VirtualBreadthFirstSearch(GRAPH& G,CO T& not_found,Arg&& init):VirtualBreadthFirstSearch(G,not_found){Initialise(forward(init));}TE IN VO VirtualBreadthFirstSearch::Initialise(){m_initialised = true;CRI V = SZ();m_next.clear();m_found = VE(V);m_prev = VE(V,m_not_found);}TE IN VO VirtualBreadthFirstSearch::Initialise(CO T& init){auto&& i = m_G.Enumeration_inv(init);AS(0 <= i && i < SZ());Initialise();m_next.push_back(init);m_found[i]= true;}TE IN VO VirtualBreadthFirstSearch::Initialise(LI inits){Initialise();m_next = MO(inits);CRI V = SZ();for(auto IT = m_next.BE(),EN = m_next.EN();IT != EN;IT++){auto&& i = m_G.Enumeration_inv(*IT);AS(0 <= i && i < V);m_found[i]= true;}}TE IN VO VirtualBreadthFirstSearch::Shift(CO T& init){if(m_initialised){CRI V = SZ();auto&& i = m_G.Enumeration_inv(init);AS(0 <= i && i < V);m_next.clear();if(! m_found[i]){m_next.push_back(init);m_found[i]= true;}}else{Initialise(init);}}TE IN VO VirtualBreadthFirstSearch::Shift(LI inits){if(m_initialised){m_next.clear();CRI V = SZ();for(auto IT = m_next.BE(),EN = m_next.EN();IT != EN;IT++){auto&& i = m_G.Enumeration_inv(*IT);AS(0 <= i && i < V);if(! m_found[i]){m_next.push_back(*IT);m_found[i]= true;}}}else{Initialise(MO(inits));}}TE IN CRI VirtualBreadthFirstSearch::SZ()CO NE{RE m_G.SZ();}TE IN VE::reference VirtualBreadthFirstSearch::found(CO T& t){auto&& i = m_G.Enumeration_inv(t);AS(0 <= i && i < SZ());if(!m_initialised){Initialise();}RE m_found[i];}TE IN CO T& VirtualBreadthFirstSearch::prev(CO T& t){auto&& i = m_G.Enumeration_inv(t);AS(0 <= i && i < SZ());if(!m_initialised){Initialise();}RE m_prev[i];}TE IN T VirtualBreadthFirstSearch::Next(){if(m_next.empty()){RE m_not_found;}CO T t_curr = m_next.front();m_next.pop_front();auto&& edge = m_G.Edge(t_curr);for(auto& t:edge){auto&& i = m_G.Enumeration_inv(t);auto&& found_i = m_found[i];if(! found_i){Push(m_next,t);m_prev[i]= t_curr;found_i = true;}}RE t_curr;}TE TE auto VirtualBreadthFirstSearch::GetDistance()-> enable_if_t().edge())>>,Map>{Map AN{};for(auto IT = m_next.BE(),EN = m_next.EN();IT != EN;IT++){AN[*IT]= 0;}T t;WH((t = Next())!= m_not_found){if(!AN.count(t)){AN[t]= AN[m_prev[m_G.Enumeration_inv(t)]]+ 1;}}RE AN;}TE TE auto VirtualBreadthFirstSearch::GetDistance()-> enable_if_t().edge())>>,VE>{VE AN(SZ(),-1);for(auto IT = m_next.BE(),EN = m_next.EN();IT != EN;IT++){AN[m_G.Enumeration_inv(*IT)]= 0;}T t;WH((t = Next())!= m_not_found){auto&& i = m_G.Enumeration_inv(t);int& AN_i = AN[i];AN_i == -1?AN_i = AN[m_G.Enumeration_inv(m_prev[i])]+ 1:AN_i;}RE AN;}TE pair,int> VirtualBreadthFirstSearch::GetConnectedComponent(){ST_AS(!is_same_v>);CRI V = SZ();VE cc_num(V,-1);int count = 0;for(int i = 0;i < V;i++){if(cc_num[i]== -1){Shift(m_G.Enumeration(i));T t = Next();if(t != m_not_found){WH(t != m_not_found){cc_num[m_G.Enumeration_inv(t)]= count;t = Next();}count++;}}}RE{MO(cc_num),MO(count)};}TE TE IN VO VirtualBreadthFirstSearch::Push(LI& next,CO PATH& p){Push(next,get<0>(p));} TE CL BreadthFirstSearch:PU VirtualBreadthFirstSearch{PU:TE IN BreadthFirstSearch(GRAPH& G,CO T& not_found,Args&&... args);IN VO Push(LI& next,CO T& t);}; TE TE IN BreadthFirstSearch::BreadthFirstSearch(GRAPH& G,CO T& not_found,Args&&... args):VirtualBreadthFirstSearch(G,not_found,forward(args)...){}TE IN VO BreadthFirstSearch::Push(LI& next,CO T& t){next.push_back(t);} #endif // AAA 常設でないライブラリは以上に挿入する。 #define INCLUDE_SUB #include __FILE__ #else // INCLUDE_LIBRARY #ifndef DEBUG #pragma GCC optimize ( "O3" ) #pragma GCC optimize ( "unroll-loops" ) #pragma GCC target ( "sse4.2,fma,avx2,popcnt,lzcnt,bmi2" ) #define REPEAT_MAIN( BOUND ) START_MAIN; CEXPR( int , bound_test_case_num , BOUND ); int test_case_num = 1; if CE( bound_test_case_num > 1 ){ SET_ASSERT( test_case_num , 1 , bound_test_case_num ); } FINISH_MAIN #define DEXPR( LL , BOUND , VALUE1 , VALUE2 ) CEXPR( LL , BOUND , VALUE1 ) #define ASSERT( A , MIN , MAX ) AS( ( MIN ) <= A && A <= ( MAX ) ) #define SET_ASSERT( A , MIN , MAX ) SET_LL( A ); ASSERT( A , MIN , MAX ) #define SOLVE_ONLY #define CERR( ... ) #define COUT( ... ) VariadicCout( cout , __VA_ARGS__ ) << ENDL #define CERR_A( A , N ) #define COUT_A( A , N ) OUTPUT_ARRAY( cout , A , N ) << ENDL #define CERR_ITR( A ) #define COUT_ITR( A ) OUTPUT_ITR( cout , A ) << ENDL #endif #ifdef REACTIVE #define ENDL endl #else #define ENDL "\n" #endif #ifdef USE_GETLINE #define SET_LL( A ) { GETLINE( A ## _str ); A = stoll( A ## _str ); } #define GETLINE_SEPARATE( SEPARATOR , ... ) SOLVE_ONLY; string __VA_ARGS__; VariadicGetline( cin , SEPARATOR , __VA_ARGS__ ) #define GETLINE( ... ) SOLVE_ONLY; GETLINE_SEPARATE( '\n' , __VA_ARGS__ ) #else #define SET_LL( A ) cin >> A #define CIN( LL , ... ) SOLVE_ONLY; LL __VA_ARGS__; VariadicCin( cin , __VA_ARGS__ ) #define SET_A( N , ... ) SOLVE_ONLY; VariadicResize( N , __VA_ARGS__ ); FOR( VARIABLE_FOR_SET_A , 0 , N ){ VariadicSet( cin , VARIABLE_FOR_SET_A , __VA_ARGS__ ); } #define CIN_A( LL , N , ... ) VE __VA_ARGS__; SET_A( N , __VA_ARGS__ ); #endif #include using namespace std; #define ATT __attribute__( ( target( "sse4.2,fma,avx2,popcnt,lzcnt,bmi2" ) ) ) #define START_MAIN int main(){ ios_base::sync_with_stdio( false ); cin.tie( nullptr ) #define FINISH_MAIN REPEAT( test_case_num ){ if CE( bound_test_case_num > 1 ){ CERR( "testcase " , VARIABLE_FOR_REPEAT_test_case_num , ":" ); } Solve(); CERR( "" ); } } #define START_WATCH chrono::system_clock::time_point watch = chrono::system_clock::now() #define CURRENT_TIME static_cast( chrono::duration_cast( chrono::system_clock::now() - watch ).count() / 1000.0 ) #define CHECK_WATCH( TL_MS ) ( CURRENT_TIME < TL_MS - 100.0 ) #define CEXPR( LL , BOUND , VALUE ) CE LL BOUND = VALUE #define SET_A_ASSERT( N , A , MIN , MAX ) FOR( VARIABLE_FOR_SET_A , 0 , N ){ SET_ASSERT( A[VARIABLE_FOR_SET_A] , MIN , MAX ); } #define CIN_ASSERT( A , MIN , MAX ) decldecay_t( MAX ) A; SET_ASSERT( A , MIN , MAX ) #define CIN_A_ASSERT( N , A , MIN , MAX ) vector A( N ); SET_A_ASSERT( N , A , MIN , MAX ) #define FOR( VAR , INITIAL , FINAL_PLUS_ONE ) for( decldecay_t( FINAL_PLUS_ONE ) VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) #define FOREQ( VAR , INITIAL , FINAL ) for( decldecay_t( FINAL ) VAR = INITIAL ; VAR <= FINAL ; VAR ++ ) #define FOREQINV( VAR , INITIAL , FINAL ) for( decldecay_t( INITIAL ) VAR = INITIAL ; VAR + 1 > FINAL ; VAR -- ) #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( VAR , ARRAY ) for( auto&& VAR : ARRAY ) #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 RETURN( ... ) SOLVE_ONLY; COUT( __VA_ARGS__ ); RE #define COMPARE( ... ) auto naive = Naive( __VA_ARGS__ ); auto answer = Answer( __VA_ARGS__ ); bool match = naive == answer; COUT( "(" , #__VA_ARGS__ , ") == (" , __VA_ARGS__ , ") : Naive == " , naive , match ? "==" : "!=" , answer , "== Answer" ); if( !match ){ RE; } // 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 // 型のエイリアス #define decldecay_t(VAR)decay_t TE US ret_t = decltype(declval()(declval()...)); TE US inner_t = TY T::type; US uint = unsigned int; US ll = long long; US ull = unsigned long long; US ld = long double; US lld = __float128; TE US T2 = pair; TE US T3 = tuple; TE US T4 = tuple; US path = pair; // 二分探索用 // EXPRESSIONがANSWERの広義単調関数の時、EXPRESSION >= CO_TARGETの整数解を格納。 #define BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , DESIRED_INEQUALITY , CO_TARGET , INEQUALITY_FOR_CHECK , UPDATE_U , UPDATE_L , UPDATE_ANSWER ) \ ST_AS( ! is_same::value && ! is_same::value ); \ ll ANSWER = MINIMUM; \ { \ ll L_BS = MINIMUM; \ ll U_BS = MAXIMUM; \ ANSWER = UPDATE_ANSWER; \ ll EXPRESSION_BS; \ CO ll CO_TARGET_BS = ( CO_TARGET ); \ ll DIFFERENCE_BS; \ WH( L_BS < U_BS ){ \ DIFFERENCE_BS = ( EXPRESSION_BS = ( EXPRESSION ) ) - CO_TARGET_BS; \ CERR( "二分探索中：" , "L_BS =" , L_BS , "<=" , #ANSWER , "=" , ANSWER , "<=" , U_BS , "= U_BS : (" , #EXPRESSION , ") =" , EXPRESSION_BS , DIFFERENCE_BS > 0 ? ">" : DIFFERENCE_BS < 0 ? "<" : "=" , CO_TARGET_BS , "= (" , #CO_TARGET , ")" ); \ if( DIFFERENCE_BS INEQUALITY_FOR_CHECK 0 ){ \ U_BS = UPDATE_U; \ } else { \ L_BS = UPDATE_L; \ } \ ANSWER = UPDATE_ANSWER; \ } \ if( L_BS > U_BS ){ \ CERR( "二分探索失敗：" , "L_BS =" , L_BS , ">" , U_BS , "= U_BS :" , #ANSWER , ":= (" , #MAXIMUM , ") + 1 =" , MAXIMUM + 1 ); \ CERR( "二分探索マクロにミスがある可能性があります。変更前の版に戻してください。" ); \ ANSWER = MAXIMUM + 1; \ } else { \ CERR( "二分探索終了：" , "L_BS =" , L_BS , "<=" , #ANSWER , "=" , ANSWER , "<=" , U_BS , "= U_BS" ); \ CERR( "二分探索が成功したかを確認するために" , #EXPRESSION , "を計算します。" ); \ CERR( "成功判定が不要な場合はこの計算を削除しても構いません。" ); \ EXPRESSION_BS = ( EXPRESSION ); \ CERR( "二分探索結果： (" , #EXPRESSION , ") =" , EXPRESSION_BS , ( EXPRESSION_BS > CO_TARGET_BS ? ">" : EXPRESSION_BS < CO_TARGET_BS ? "<" : "=" ) , CO_TARGET_BS ); \ if( EXPRESSION_BS DESIRED_INEQUALITY CO_TARGET_BS ){ \ CERR( "二分探索成功：" , #ANSWER , ":=" , ANSWER ); \ } else { \ CERR( "二分探索失敗：" , #ANSWER , ":= (" , #MAXIMUM , ") + 1 =" , MAXIMUM + 1 ); \ CERR( "単調でないか、単調増加性と単調減少性を逆にしてしまったか、探索範囲内に解が存在しません。" ); \ ANSWER = MAXIMUM + 1; \ } \ } \ } \ // 単調増加の時にEXPRESSION >= CO_TARGETの最小解を格納。 #define BS1( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CO_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , >= , CO_TARGET , >= , ANSWER , ANSWER + 1 , ( L_BS + U_BS ) / 2 ) // 単調増加の時にEXPRESSION <= CO_TARGETの最大解を格納。 #define BS2( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CO_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , <= , CO_TARGET , > , ANSWER - 1 , ANSWER , ( L_BS + 1 + U_BS ) / 2 ) // 単調減少の時にEXPRESSION >= CO_TARGETの最大解を格納。 #define BS3( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CO_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , >= , CO_TARGET , < , ANSWER - 1 , ANSWER , ( L_BS + 1 + U_BS ) / 2 ) // 単調減少の時にEXPRESSION <= CO_TARGETの最小解を格納。 #define BS4( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , CO_TARGET ) BS( ANSWER , MINIMUM , MAXIMUM , EXPRESSION , <= , CO_TARGET , <= , ANSWER , ANSWER + 1 , ( L_BS + U_BS ) / 2 ) // 尺取り法用 // VAR_TPA_LとVAR_TPA_RをINITで初期化し、VAR_TPA_RがCONTINUE_CONDITIONを満たす限り、 // 閉区間[VAR_TPA_L,VAR_TPA_R]が条件ON_CONDITIONを満たすか否かを判定し、 // trueになるかVAR_TAR_LがVAR_TAR_Rに追い付くまでVAR_TPA_Lの更新操作UPDATE_Lを繰り返し、 // その後VAR_TPA_Rの更新操作UPDATE_Rを行う。 // ON_CONDITIONがtrueとなる極大閉区間とその時点でのINFOをANSWERに格納する。 #define TPA( ANSWER , VAR_TPA , INIT , CONTINUE_CONDITION , UPDATE_L , UPDATE_R , ON_CONDITION , INFO ) \ VE> ANSWER{}; \ { \ auto init_TPA = INIT; \ decldecay_t( ANSWER.front() ) ANSWER ## _temp = { init_TPA , init_TPA , INFO }; \ auto ANSWER ## _prev = ANSWER ## _temp; \ auto& VAR_TPA ## _L = get<0>( ANSWER ## _temp ); \ auto& VAR_TPA ## _R = get<1>( ANSWER ## _temp ); \ auto& VAR_TPA ## _info = get<2>( ANSWER ## _temp ); \ bool on_TPA_prev = false; \ WH( true ){ \ bool continuing = CONTINUE_CONDITION; \ bool on_TPA = continuing && ( ON_CONDITION ); \ CERR( continuing ? "尺取り中" : "尺取り終了" , "： [L,R] = [" , VAR_TPA ## _L , "," , VAR_TPA ## _R , "] ," , on_TPA_prev ? "on" : "off" , "->" , on_TPA ? "on" : "off" , ", info =" , VAR_TPA ## _info ); \ if( on_TPA_prev && ! on_TPA ){ \ ANSWER.push_back( ANSWER ## _prev ); \ } \ if( continuing ){ \ if( on_TPA || VAR_TPA ## _L == VAR_TPA ## _R ){ \ ANSWER ## _prev = ANSWER ## _temp; \ UPDATE_R; \ } else { \ UPDATE_L; \ } \ } else { \ break; \ } \ on_TPA_prev = on_TPA; \ } \ } \ // データ構造用 TE IN T Addition(CO T& t0,CO T& t1){RE t0 + t1;} TE IN T Xor(CO T& t0,CO T& t1){RE t0 ^ t1;} TE IN T MU(CO T& t0,CO T& t1){RE t0 * t1;} TE IN CO T& Zero(){ST CO T z{};RE z;} TE IN CO T& One(){ST CO T o = 1;RE o;}TE IN T AdditionInv(CO T& t){RE -t;} TE IN T Id(CO T& v){RE v;} TE IN T Min(CO T& a,CO T& b){RE a < b?a:b;} TE IN T Max(CO T& a,CO T& b){RE a < b?b:a;} // グラフ用 TE TY V> IN auto Get(CO V& a){RE[&](CRI i = 0)->CO T&{RE a[i];};} TE IN VE id(CRI SZ){VE AN(SZ);FOR(i,0,SZ){AN[i]= i;}RE AN;} // グリッド問題用 int H,W,H_minus,W_minus,HW; VE grid; char walkable = '.',unwalkable = '#'; IN T2 EnumHW(CRI v){RE{v / W,v % W};} IN int EnumHW_inv(CO T2& ij){auto&[i,j]= ij;RE i * W + j;} CO string direction[4]={"U","R","D","L"}; IN int DirectionNumberOnGrid(CRI i,CRI j,CRI k,CRI h){RE ik?0:jh?3:(AS(false),-1);} IN int DirectionNumberOnGrid(CRI v,CRI w){auto[i,j]=EnumHW(v);auto[k,h]=EnumHW(w);RE DirectionNumberOnGrid(i,j,k,h);} IN int ReverseDirectionNumberOnGrid(CRI n){AS(0<=n&&n<4);RE(n+2)%4;} IN VE> EdgeOnGrid(CO T2& v){VE>AN{};auto[i,j]=v;if(i>0&&grid[i-1][j]==walkable){AN.push_back({i-1,j});}if(i+10&&grid[i][j-1]==walkable){AN.push_back({i,j-1});}if(j+1,ll>> WEdgeOnGrid(CO T2& v){VE,ll>>AN{};auto[i,j]=v;if(i>0&&grid[i-1][j]==walkable){AN.push_back({{i-1,j},1});}if(i+10&&grid[i][j-1]==walkable){AN.push_back({{i,j-1},1});}if(j+1& S){if(S.empty()){S.reSZ(H);}cin>>S[i];AS(int(S[i].SZ())==W);} // VVV 常設ライブラリは以下に挿入する。 #ifdef DEBUG #include "C:/Users/user/Documents/Programming/Contest/Template/include/a_Body.hpp" #else // Tuple（3KB） #define DF_OF_OP_FOR_TUPLE(OPR)TE TY V> IN auto OP OPR ## =(V& t0,CO V& t1)-> decltype((get<0>(t0),t0))&{get<0>(t0)OPR ## = get<0>(t1);get<1>(t0)OPR ## = get<1>(t1);RE t0;}TE IN tuple& OP OPR ## =(tuple& t0,CO tuple& t1){get<0>(t0)OPR ## = get<0>(t1);get<1>(t0)OPR ## = get<1>(t1);get<2>(t0)OPR ## = get<2>(t1);RE t0;}TE IN tuple& OP OPR ## =(tuple& t0,CO tuple& t1){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);RE t0;}TE TY V,TY...ARGS> IN auto OP OPR(CO V& t0,CO V& t1)-> decldecay_t((get<0>(t0),t0)){auto t = t0;RE MO(t OPR ## = t1);} #define DF_OF_INCREMENT_FOR_TUPLE(INCR)TE TY V> IN auto OP INCR(V& t)-> decldecay_t((get<0>(t),t))&{INCR get<0>(t);INCR get<1>(t);RE t;}TE IN tuple& OP INCR(tuple& t){INCR get<0>(t);INCR get<1>(t);INCR get<2>(t);RE t;}TE IN tuple& OP INCR(tuple& t){INCR get<0>(t);INCR get<1>(t);INCR get<2>(t);INCR get<3>(t);RE t;} TE TY V> IN auto OP>>(IS& is,V& arg)-> decltype((get<0>(arg),is))&{RE is >> get<0>(arg)>> get<1>(arg);}TE IN IS& OP>>(IS& is,tuple& arg){RE is >> get<0>(arg)>> get<1>(arg)>> get<2>(arg);}TE IN IS& OP>>(IS& is,tuple& arg){RE is >> get<0>(arg)>> get<1>(arg)>> get<2>(arg)>> get<3>(arg);}TE TY V> IN auto OP<<(OS& os,CO V& arg)-> decltype((get<0>(arg),os))&{RE os << get<0>(arg)<< " " << get<1>(arg);}TE IN OS& OP<<(OS& os,CO tuple& arg){RE os << get<0>(arg)<< " " << get<1>(arg)<< " " << get<2>(arg);}TE IN OS& OP<<(OS& os,CO tuple& arg){RE os << get<0>(arg)<< " " << get<1>(arg)<< " " << get<2>(arg)<< " " << get<3>(arg);}DF_OF_OP_FOR_TUPLE(+);DF_OF_OP_FOR_TUPLE(-);DF_OF_OP_FOR_TUPLE(*);DF_OF_OP_FOR_TUPLE(/);DF_OF_OP_FOR_TUPLE(%);DF_OF_INCREMENT_FOR_TUPLE(++);DF_OF_INCREMENT_FOR_TUPLE(--); // Vector（2KB） #define DF_OF_COUT_FOR_VE(V)TE IN OS& OP<<(OS& os,CO V& arg){auto BE = arg.BE(),EN = arg.EN();auto IT = BE;WH(IT != EN){(IT == BE?os:os << " ")<< *IT;IT++;}RE os;} #define DF_OF_OP_FOR_VE(V,OPR)TE IN V& OP OPR ## =(V& a,CO T& t){for(auto& s:a){s OPR ## = t;}RE a;}TE IN V& OP OPR ## =(V& a0,CO V& a1){CO size_t SZ = a0.SZ();AS(a0.SZ()<= a1.SZ());auto IT0 = a0.BE(),EN0 = a0.EN(),IT1 = a1.BE();WH(IT0 != EN0){IT0 OPR ## = IT1;}RE a0;}TE IN V OP OPR(V a,CO U& u){RE MO(a OPR ## = u);} #define DF_OF_INCREMENT_FOR_VE(V,INCR)TE IN V& OP INCR(V& a){for(auto& i:a){INCR i;}RE a;} #define DF_OF_OPS_FOR_VE(V)DF_OF_OP_FOR_VE(V,+);DF_OF_OP_FOR_VE(V,-);DF_OF_OP_FOR_VE(V,*);DF_OF_OP_FOR_VE(V,/);DF_OF_OP_FOR_VE(V,%);DF_OF_INCREMENT_FOR_VE(V,++);DF_OF_INCREMENT_FOR_VE(V,--) DF_OF_COUT_FOR_VE(VE);DF_OF_COUT_FOR_VE(LI);DF_OF_COUT_FOR_VE(set);DF_OF_COUT_FOR_VE(unordered_set);DF_OF_OPS_FOR_VE(VE);IN VO VariadicResize(CRI SZ){}TE IN VO VariadicResize(CRI SZ,Arg& arg,ARGS&... args){arg.resize(SZ);VariadicResize(SZ,args...);} // StdStream（1KB） TE IN IS& VariadicCin(IS& is){RE is;}TE IN IS& VariadicCin(IS& is,Arg& arg,ARGS&... args){RE VariadicCin(is >> arg,args...);}TE IN IS& VariadicSet(IS& is,CRI i){RE is;}TE IN IS& VariadicSet(IS& is,CRI i,Arg& arg,ARGS&... args){RE VariadicSet(is >> arg[i],i,args...);}TE IN IS& VariadicGetline(IS& is,CO char& separator){RE is;}TE IN IS& VariadicGetline(IS& is,CO char& separator,Arg& arg,ARGS&... args){RE VariadicGetline(getline(is,arg,separator),separator,args...);}TE IN OS& VariadicCout(OS& os,CO Arg& arg){RE os << arg;}TE IN OS& VariadicCout(OS& os,CO Arg1& arg1,CO Arg2& arg2,CO ARGS&... args){RE VariadicCout(os << arg1 << " ",arg2,args...);} // Random（1KB） ll GetRand(CRI Rand_min,CRI Rand_max){ll AN = time(NULL);RE AN * rand()%(Rand_max + 1 - Rand_min)+ Rand_min;} // Sort（1KB） TE VO sort(VE& a,CO bool& reversed = false){if(reversed){ST auto comp =[](CO T& t0,CO T& t1){RE t1 < t0;};sort(a.BE(),a.EN(),comp);}else{sort(a.BE(),a.EN());}} // Set (1KB) CL is_ordered{PU:is_ordered()= delete;TE ST CE auto Check(CO T& t)-> decltype(t < t,true_type());ST CE false_type Check(...);TE ST CE CO bool value = is_same_v< decltype(Check(declval())),true_type >;};TE TY MOD>struct hash>{IN size_t OP()(CO MOD& n)CO;};TE TY PAIR>struct hash>{IN size_t OP()(CO PAIR& n)CO;};TE struct hash>{IN size_t OP()(CO tuple& n)CO;}; TE US Set = conditional_t>,unordered_set,conditional_t,set,VO>>;TE US Map = conditional_t>,unordered_map,conditional_t,map,VO>>; TE TY MOD> IN size_t hash>::OP()(CO MOD& n)CO{ST CO hash h;RE h(n.RP());}TE TY PAIR> IN size_t hash>::OP()(CO PAIR& n)CO{ST CO size_t seed = GetRand(1e3,1e8);ST CO hash h0;ST CO hash h1;RE(h0(get<0>(n))+ seed)^ h1(get<1>(n));}TE IN size_t hash>::OP()(CO tuple& n)CO{ST CO size_t seed = GetRand(1e3,1e8);ST CO hash> h01;ST CO hash h2;RE(h01({get<0>(n),get<1>(n)})+ seed)^ h2(get<2>(n));} // Algebra (4KB) #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 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 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 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 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;} // Graph (5KB) TE CL VirtualGraph:VI PU UnderlyingSet{PU:VI R1 Enumeration(CRI i)= 0;IN R2 Enumeration_inv(CO T& t);TE IN R2 Enumeration_inv(CO PATH& p);IN VO Reset();VI CRI SZ()CO NE = 0;VI E& edge()NE = 0;VI ret_t Edge(CO T& t)= 0;TE IN ret_t Edge(CO PATH& p);ST IN CO T& Vertex(CO T& t)NE;TE ST IN CO T& Vertex(CO PATH& e)NE;VI R2 Enumeration_inv_Body(CO T& t)= 0;};TE CL EdgeImplimentation:VI PU VirtualGraph{PU:int m_SZ;E m_edge;IN EdgeImplimentation(CRI SZ,E edge);IN CRI SZ()CO NE;IN E& edge()NE;IN ret_t Edge(CO T& t);};TE CL Graph:PU EdgeImplimentation{PU:IN Graph(CRI SZ,E edge);IN CRI Enumeration(CRI i);TE IN Graph GetGraph(F edge)CO;IN CRI Enumeration_inv_Body(CRI t);};TE CL EnumerationGraph:PU EdgeImplimentation,ret_t,E>{PU:Enum_T m_enum_T;Enum_T_inv m_enum_T_inv;IN EnumerationGraph(CRI SZ,Enum_T enum_T,Enum_T_inv enum_T_inv,E edge);IN ret_t Enumeration(CRI i);TE IN EnumerationGraph GetGraph(F edge)CO;IN ret_t Enumeration_inv_Body(CO T& t);};TE EnumerationGraph(CRI SZ,Enum_T enum_T,Enum_T_inv enum_T_inv,E edge)-> EnumerationGraph()(0)),Enum_T,Enum_T_inv,E>;TE CL MemorisationGraph:PU EdgeImplimentation{PU:int m_LE;VE m_memory;Map m_memory_inv;IN MemorisationGraph(CRI SZ,CO T& dummy,E edge);IN T Enumeration(CRI i);IN VO Reset();TE IN MemorisationGraph GetGraph(F edge)CO;IN CRI Enumeration_inv_Body(CO T& t);}; TE IN EdgeImplimentation::EdgeImplimentation(CRI SZ,E edge):m_SZ(SZ),m_edge(MO(edge)){ST_AS(is_COructible_v && is_COructible_v && is_invocable_v);}TE IN Graph::Graph(CRI SZ,E edge):EdgeImplimentation(SZ,MO(edge)){}TE IN EnumerationGraph::EnumerationGraph(CRI SZ,Enum_T enum_T,Enum_T_inv enum_T_inv,E edge):EdgeImplimentation,ret_t,E>(SZ,MO(edge)),m_enum_T(MO(enum_T)),m_enum_T_inv(MO(enum_T_inv)){}TE IN MemorisationGraph::MemorisationGraph(CRI SZ,CO T& dummy,E edge):EdgeImplimentation(SZ,MO(edge)),m_LE(),m_memory(),m_memory_inv(){ST_AS(is_invocable_v);}TE IN CRI Graph::Enumeration(CRI i){RE i;}TE IN ret_t EnumerationGraph::Enumeration(CRI i){RE m_enum_T(i);}TE IN T MemorisationGraph::Enumeration(CRI i){AS(0 <= i && i < m_LE);RE m_memory[i];}TE IN R2 VirtualGraph::Enumeration_inv(CO T& t){RE Enumeration_inv_Body(t);}TE TE IN R2 VirtualGraph::Enumeration_inv(CO PATH& p){RE Enumeration_inv_Body(get<0>(p));}TE IN CRI Graph::Enumeration_inv_Body(CRI i){RE i;}TE IN ret_t EnumerationGraph::Enumeration_inv_Body(CO T& t){RE m_enum_T_inv(t);}TE IN CRI MemorisationGraph::Enumeration_inv_Body(CO T& t){if(m_memory_inv.count(t)== 0){AS(m_LE < TH->SZ());m_memory.push_back(t);RE m_memory_inv[t]= m_LE++;}RE m_memory_inv[t];}TE VO VirtualGraph::Reset(){}TE IN VO MemorisationGraph::Reset(){m_LE = 0;m_memory.clear();m_memory_inv.clear();}TE IN CRI EdgeImplimentation::SZ()CO NE{RE m_SZ;}TE IN E& EdgeImplimentation::edge()NE{RE m_edge;}TE IN ret_t EdgeImplimentation::Edge(CO T& t){RE m_edge(t);}TE TE IN ret_t VirtualGraph::Edge(CO PATH& p){RE Edge(get<0>(p));}TE TE IN Graph Graph::GetGraph(F edge)CO{RE Graph(TH->SZ(),MO(edge));}TE TE IN EnumerationGraph