#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( ANSWER ) cerr << ANSWER << endl; #define COUT( ANSWER ) cout << ANSWER << 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 START_WATCH( PROCESS_NAME ) StartWatch( PROCESS_NAME ) #define STOP_WATCH( HOW_MANY_TIMES ) StopWatch( HOW_MANY_TIMES ) #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( ANSWER ) #define COUT( ANSWER ) cout << ANSWER << "\n" #define ASSERT( A , MIN , MAX ) assert( ( MIN ) <= A && A <= ( MAX ) ) #define START_WATCH( PROCESS_NAME ) #define STOP_WATCH( HOW_MANY_TIMES ) #endif #include using namespace std; using uint = unsigned int; using ll = long long; using ull = unsigned long long; #define ATT __attribute__( ( target( "sse4.2,fma,avx2,popcnt,lzcnt,bmi2" ) ) ) #define TYPE_OF( VAR ) decay_t #define CEXPR( LL , BOUND , VALUE ) constexpr LL BOUND = VALUE #define CIN( LL , A ) LL A; cin >> A #define CIN_ASSERT( A , MIN , MAX ) CIN( TYPE_OF( MAX ) , A ); ASSERT( A , MIN , MAX ) #define SET_ASSERT( A , MIN , MAX ) cin >> A; ASSERT( A , MIN , MAX ) #define GETLINE( A ) string A; getline( cin , A ) #define GETLINE_SEPARATE( A , SEPARATOR ) string A; getline( cin , A , SEPARATOR ) #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 QUIT return 0 #define SET_PRECISION( DECIMAL_DIGITS ) cout << fixed << setprecision( DECIMAL_DIGITS_ ) #define RETURN( ANSWER ) COUT( ( ANSWER ) ); QUIT #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。" ); } void StartWatch( const string& process_name = "nothing" ); void StopWatch( const int& how_many_times = 1 ); #endif template inline T Absolute( const T& a ){ return a > 0 ? a : -a; } template inline T Residue( const T& a , const T& p ){ return a >= 0 ? a % p : ( a % p ) + p; } #define POWER( ANSWER , ARGUMENT , EXPONENT ) \ static_assert( ! is_same::value && ! is_same::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::value && ! is_same::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 ); \ CERR( ( EXPRESSION DESIRED_INEQUALITY TARGET ? "二分探索成功" : "二分探索失敗" ) ); \ assert( EXPRESSION DESIRED_INEQUALITY TARGET ); \ } else { \ CERR( "二分探索失敗: " << MINIMUM << ">" << MAXIMUM ); \ assert( MINIMUM <= MAXIMUM ); \ } \ // 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 ) \ // 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& TE CL PrimeEnumeration{PU:INT m_val[LE_max];int m_LE;CE PrimeEnumeration();};TE CE PrimeEnumeration::PrimeEnumeration():m_val(),m_LE(0){bool is_comp[val_limit] ={};for(INT i = 2;i < val_limit;i++){if(is_comp[i] == false){INT j = i;WH((j += i) < val_limit){is_comp[j] = true;}m_val[m_LE++] = i;if(m_LE >= LE_max){break;}}}} template void SetPrimeFactorisation( const PrimeEnumeration& prime , const INT& n , vector& P , vector& exponent ) { INT n_copy = n; int i = 0; while( i < prime.m_LE ){ const INT& p = prime.m_val[i]; // if( p * p > n_copy ){ if( n_copy == 1 ){ break; } if( n_copy % p == 0 ){ // P.push_back( p ); P.push_back( i ); exponent.push_back( 1 ); INT& exponent_back = exponent.back(); while( ( n_copy /= p ) % p == 0 ){ exponent_back++; } } i++; } // if( n_copy != 1 ){ // P.push_back( n_copy ); // exponent.push_back( 1 ); // } return; } int main() { UNTIE; // DEXPR( int , bound_T , 100000 , 100 ); // CIN_ASSERT( T , 1 , bound_T ); // REPEAT( T ){ // } DEXPR( int , bound_N , 100000 , 100000 ); // 0が5個 // CEXPR( int , bound_N , 1000000000 ); // 0が9個 // CEXPR( ll , bound_N , 1000000000000000000 ); // 0が18個 CIN_ASSERT( N , 2 , bound_N ); // DEXPR( int , bound_M , 100000 , 100 ); // 0が5個 // // CEXPR( int , bound_M , 1000000000 ); // 0が9個 // // CEXPR( ll , bound_M , 1000000000000000000 ); // 0が18個 // CIN_ASSERT( M , 0 , bound_M ); CEXPR( ll , bound_K , 1000000000000000000 ); // 0が18個 CIN_ASSERT( K , 1 , bound_K ); static PrimeEnumeration pe{}; static vector factor[bound_N] = {}; static vector exponent[bound_N] = {}; FOR( i , 0 , pe.m_LE ){ SetPrimeFactorisation( pe , pe.m_val[i] + 1 , factor[i] , exponent[i] ); } vector N_exponent( pe.m_LE ); FOR( i , 0 , pe.m_LE ){ const int& p_i = pe.m_val[i]; ll& N_exponent_i = N_exponent[i]; while( N % p_i == 0 ){ N /= p_i; N_exponent_i++; } } while( N_exponent.size() > 2 && N_exponent.back() == 0 ){ N_exponent.pop_back(); } // CEXPR( ll , P , 998244353 ); CEXPR( ll , P , 1000000007 ); int length; while( K > 0 ? ( length = N_exponent.size() ) > 2 : false ){ vector N_exponent_new( length - 1 ); FOR( i , 0 , length ){ ll& N_exponent_i = N_exponent[i]; if( N_exponent_i != 0 ){ vector& factor_i = factor[i]; vector& exponent_i = exponent[i]; int factor_i_size = factor_i.size(); FOR( j , 0 , factor_i_size ){ ( N_exponent_new[factor_i[j]] += exponent_i[j] * N_exponent_i ) %= ( P - 1 ); } } } N_exponent = move( N_exponent_new ); K--; } if( K > 0 ){ assert( N_exponent.size() == 2 ); // { 0 , 2 } // { 1 , 0 } if( K % 2 == 1 ){ swap( N_exponent[0] , N_exponent[1] *= 2 ); } POWER_MOD( power , 2 , K / 2 , P - 1 ); ( N_exponent[0] *= power ) %= ( P - 1 ); ( N_exponent[1] *= power ) %= ( P - 1 ); } ll answer = 1; length = N_exponent.size(); FOR( i , 0 , length ){ POWER_MOD( power , pe.m_val[i] , N_exponent[i] , P ); ( answer *= power ) %= P; } // DEXPR( int , bound_Q , 100000 , 100 ); // CIN_ASSERT( Q , 1 , bound_Q ); // REPEAT( Q ){ // COUT( N ); // } RETURN( answer ); // QUIT; }