結果
| 問題 |
No.2496 LCM between Permutations
|
| ユーザー |
👑 |
| 提出日時 | 2023-09-05 15:11:42 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 11,053 bytes |
| コンパイル時間 | 3,627 ms |
| コンパイル使用メモリ | 250,452 KB |
| 最終ジャッジ日時 | 2025-02-16 18:48:17 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | TLE * 1 |
| other | AC * 1 TLE * 27 |
ソースコード
// 改行しない場合のデッドロックの有無の確認
#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( MESSAGE ) cerr << MESSAGE << endl;
#define COUT( ANSWER ) cout << "出力: " << 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 ) )
#else
#pragma GCC optimize ( "O3" )
#pragma GCC optimize( "unroll-loops" )
#pragma GCC target ( "sse4.2,fma,avx2,popcnt,lzcnt,bmi2" )
#define UNTIE
#define DEXPR( LL , BOUND , VALUE , DEBUG_VALUE ) CEXPR( LL , BOUND , VALUE )
#define CERR( MESSAGE )
#define COUT( ANSWER ) cout << ANSWER << flush
#define ASSERT( A , MIN , MAX ) assert( ( MIN ) <= A && A <= ( MAX ) )
#endif
#include <bits/stdc++.h>
using namespace std;
#define TYPE_OF( VAR ) decay_t<decltype( VAR )>
#define CEXPR( LL , BOUND , VALUE ) constexpr LL BOUND = VALUE
#define CIN( LL , A ) LL A; cin >> A
#define SET_ASSERT( A , MIN , MAX ) cin >> A; ASSERT( A , MIN , MAX )
#define CIN_ASSERT( A , MIN , MAX ) TYPE_OF( MAX ) A; SET_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 QUIT return 0
#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。" ); }
#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 , VARIABLE_NUMBER , SEPARATOR ) GETLINE( S ); int VARIABLE_FOR_INDEX_FOR_GETLINE_FOR_ ## S = 0; int VARIABLE_FOR_SIZE_FOR_GETLINE_FOR_ ## S = S.size(); { int size = S.size(); int count = 0; for( int i = 0 ; i < size ; i++ ){ if( S.substr( i , 1 ) == SEPARATOR ){ count++; } } assert( count + 1 == VARIABLE_NUMBER ); }
// 余計な入力の有無を確認
#ifdef DEBUG
#define CHECK_REDUNDANT_INPUT
#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 )
// #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 )
#endif
// |N| <= BOUNDを満たすNをSから構築
#define STOI( S , N , BOUND ) TYPE_OF( BOUND ) N = 0; { 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 / 10 ? true : N == BOUND / 10 && VARIABLE_FOR_DIGIT_FOR_GETLINE <= BOUND % 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 ++; } }
// Sを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 ++; } }
// m_lengthの値は
// val_limit = 316 -> 65
// val_limit = 10^3 -> 168
// val_limit = 10^4 -> 1229
// val_limit = 10^5 -> 9592
// val_limit = 2×10^5 -> 17984
// 以下コンパイル畤計算の上限回数262144を超過。非constexpr変数を初期化すればよい。
// val_limit = 316228 -> 27293(実行時間4[ms])
// val_limit = 10^6 -> 78498(実行時間8[ms])
// val_limit = 10^7 -> 664579(実行時間93[ms])
// val_limit = 10^8 -> 5761455(実行時間2839[ms])
template <typename INT , INT val_limit , int length_max = val_limit>
class PrimeEnumeration
{
private:
bool m_is_composite[val_limit];
INT m_val[length_max];
int m_length;
public:
inline constexpr PrimeEnumeration();
// 1+n個目の素数を返す。
inline constexpr const INT& Get( const int& n ) const;
// length_max個目の素数までで割り切れる合成数であるか否かを判定する。
inline constexpr const bool& IsComposite( const int& i ) const;
// val_limit未満の素数の個数Pi(val_limit)を返す。
inline constexpr const int& length() const noexcept;
};
template <typename INT , INT val_limit , int length_max> inline constexpr PrimeEnumeration<INT,val_limit,length_max>::PrimeEnumeration() : m_is_composite() , m_val() , m_length( 0 )
{
for( INT i = 2 ; i < val_limit ; i++ ){
if( ! m_is_composite[i] ){
INT j = i;
while( ( j += i ) < val_limit ){
m_is_composite[j] = true;
}
m_val[m_length++] = i;
if( m_length >= length_max ){
break;
}
}
}
}
template <typename INT , INT val_limit , int length_max> inline constexpr const INT& PrimeEnumeration<INT,val_limit,length_max>::Get( const int& n ) const { assert( n < m_length ); return m_val[n]; }
template <typename INT , INT val_limit , int length_max> inline constexpr const bool& PrimeEnumeration<INT,val_limit,length_max>::IsComposite( const int& i ) const { assert( i < val_limit ); return m_is_composite[i]; }
template <typename INT , INT val_limit , int length_max> inline constexpr const int& PrimeEnumeration<INT,val_limit,length_max>::length() const noexcept { return m_length; }
inline CEXPR( int , bound_N , 1000 ); // 0が3個
class PrimeMax
{
public:
int m_val[bound_N+1];
constexpr PrimeMax( const PrimeEnumeration<int,bound_N>& pe ) : m_val()
{
const int& length = pe.length();
const int& p_max = pe.Get( length - 1 );
FOREQ( N , 2 , bound_N ){
int& m_val_N = m_val[N] = p_max;
FOR( i , 0 , length ){
const int& p_i = pe.Get( i );
if( p_i > N ){
assert( i > 0 );
const int& p_i_minus = pe.Get( i - 1 );
m_val_N = p_i_minus;
break;
}
}
// ベルトランの公準
assert( m_val_N * 2 > N );
}
}
};
int main()
{
UNTIE;
constexpr PrimeEnumeration<int,bound_N> pe{};
constexpr PrimeMax pm{ pe };
CIN_ASSERT( N , 1 , bound_N );
if( N == 1 ){
// 質問回数: 0 < 3*N
RETURN( "! 1 1" );
}
int lcm[bound_N+1];
int A[bound_N+1];
int B[bound_N+1];
int& B1 = B[1] = N + 1;
FOREQ( i , 1 , N ){
COUT( "? " << i << " " << 1 );
int& lcm_i = lcm[i];
cin >> lcm_i;
if( B1 > lcm_i ){
// B[1] は lcm(A[i],B[1]) の最小値
B1 = lcm_i;
}
}
const int& p_max = pm.m_val[N];
if( B1 == p_max ){
// A の中で 1 が現れうる箇所を格納
int A_one_inv_candidate[2];
int position_one = 0;
FOREQ( i , 1 , N ){
if( B1 == lcm[i] ){
A_one_inv_candidate[position_one++] = i;
}
}
// B[j] != p_max かつ lcm(A[i],B[j]) が p_max の倍数ならば A[i] == p_max
COUT( "? " << A_one_inv_candidate[0] << " " << 2 );
int& B2 = B[2];
cin >> B2;
if( B2 % p_max == 0 ){
position_one = 1;
B2 /= p_max;
} else {
position_one = 0;
}
int& A_one_inv = A_one_inv_candidate[position_one];
int& A_p_max_inv = A_one_inv_candidate[1-position_one];
A[A_one_inv] = 1;
A[A_p_max_inv] = p_max;
FOREQ( i , 1 , N ){
if( i != A_one_inv && i != A_p_max_inv ){
A[i] = lcm[i] / p_max;
}
}
FOREQ( j , 3 , N ){
COUT( "? " << A_one_inv << " " << j );
cin >> B[j];
}
// 質問回数: N+1+(N-2) == 2*N-1 < 3*N
} else {
int B1_p_max = p_max * B1;
int A_p_max_inv = -1;
FOREQ( i , 1 , N ){
if( lcm[i] == B1_p_max ){
// B[1] != p_max かつ p_max * 2 > N なので
// lcm(A[i],B[1]) == B[1] * p_max ならば A[i] == p_max
A_p_max_inv = i;
break;
}
}
// B の中で 1 か p_max が現れうる箇所を格納
int B_one_inv_candidate[2] = { 1 };
int position_one = B1 == 1 ? 1 : 0;
FOREQ( j , 2 , N ){
COUT( "? " << A_p_max_inv << " " << j );
int& Bj = B[j];
cin >> Bj;
Bj /= p_max;
if( Bj == 1 ){
B_one_inv_candidate[position_one++] = j;
}
}
int A_non_p_max_inv = A_p_max_inv == 1 ? 2 : 1;
// p_max * 2 > Nなので
// A[i] != p_max かつ lcm(A[i],B[j]) が p_max の倍数ならば B[j] == p_max
COUT( "? " << A_non_p_max_inv << " " << B_one_inv_candidate[0] );
int& A_non_p_max = A[A_non_p_max_inv];
cin >> A_non_p_max;
if( A_non_p_max % p_max == 0 ){
position_one = 1;
A_non_p_max /= p_max;
} else {
position_one = 0;
}
int& B_one_inv = B_one_inv_candidate[position_one];
int& B_p_max_inv = B_one_inv_candidate[1-position_one];
A[A_p_max_inv] = B[B_p_max_inv] = p_max;
B[B_one_inv] = 1;
FOREQ( i , 1 , N ){
if( i != A_p_max_inv && i != A_non_p_max_inv ){
COUT( "? " << i << " " << B_one_inv );
cin >> A[i];
}
}
// 質問回数: N+(N-1)+1+(N-2) == 3*N-2 < 3*N
}
// CHECK_REDUNDANT_INPUT;
cout << "! ";
FOREQ( i , 1 , N ){
cout << A[i] << " ";
}
FOREQ( j , 1 , N ){
cout << B[j] << " \n"[j==N];
}
QUIT;
}