結果
問題 | No.368 LCM of K-products |
ユーザー | torus711 |
提出日時 | 2016-04-29 23:08:22 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 327 ms / 2,000 ms |
コード長 | 3,649 bytes |
コンパイル時間 | 1,247 ms |
コンパイル使用メモリ | 124,156 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-22 14:42:46 |
合計ジャッジ時間 | 2,997 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 28 ms
6,816 KB |
testcase_01 | AC | 93 ms
6,816 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 30 ms
6,944 KB |
testcase_04 | AC | 9 ms
6,944 KB |
testcase_05 | AC | 327 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 21 ms
6,944 KB |
testcase_14 | AC | 34 ms
6,944 KB |
testcase_15 | AC | 37 ms
6,940 KB |
testcase_16 | AC | 30 ms
6,940 KB |
testcase_17 | AC | 28 ms
6,940 KB |
testcase_18 | AC | 38 ms
6,940 KB |
testcase_19 | AC | 11 ms
6,940 KB |
testcase_20 | AC | 27 ms
6,940 KB |
testcase_21 | AC | 8 ms
6,940 KB |
testcase_22 | AC | 36 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 15 ms
6,940 KB |
testcase_34 | AC | 3 ms
6,940 KB |
ソースコード
#include <iostream> #include <iomanip> #include <sstream> #include <vector> #include <string> #include <set> #include <unordered_set> #include <map> #include <unordered_map> #include <stack> #include <queue> #include <deque> #include <algorithm> #include <functional> #include <iterator> #include <limits> #include <numeric> #include <utility> #include <cmath> #include <cassert> #include <cstdio> using namespace std; using namespace placeholders; using LL = long long; using ULL = unsigned long long; using VI = vector< int >; using VVI = vector< vector< int > >; using VS = vector< string >; using SS = stringstream; using PII = pair< int, int >; using VPII = vector< pair< int, int > >; template < typename T = int > using VT = vector< T >; template < typename T = int > using VVT = vector< vector< T > >; template < typename T = int > using LIM = numeric_limits< T >; template < typename T > inline istream& operator>>( istream &s, vector< T > &v ){ for ( T &t : v ) { s >> t; } return s; } template < typename T > inline ostream& operator<<( ostream &s, const vector< T > &v ){ for ( int i = 0; i < int( v.size() ); ++i ){ s << ( " " + !i ) << v[i]; } return s; } template < typename T > inline T fromString( const string &s ) { T res; istringstream iss( s ); iss >> res; return res; } template < typename T > inline string toString( const T &a ) { ostringstream oss; oss << a; return oss.str(); } #define REP2( i, n ) REP3( i, 0, n ) #define REP3( i, m, n ) for ( int i = ( int )( m ); i < ( int )( n ); ++i ) #define GET_REP( a, b, c, F, ... ) F #define REP( ... ) GET_REP( __VA_ARGS__, REP3, REP2 )( __VA_ARGS__ ) #define FOR( e, c ) for ( auto &&e : c ) #define ALL( c ) begin( c ), end( c ) #define AALL( a, t ) ( t* )a, ( t* )a + sizeof( a ) / sizeof( t ) #define DRANGE( c, p ) ( c ).begin(), ( c ).begin() + ( p ), ( c ).end() #define SZ( v ) ( (int)( v ).size() ) #define EXIST( c, e ) ( ( c ).find( e ) != ( c ).end() ) template < typename T > inline bool chmin( T &a, const T &b ){ if ( b < a ) { a = b; return true; } return false; } template < typename T > inline bool chmax( T &a, const T &b ){ if ( a < b ) { a = b; return true; } return false; } #define PB push_back #define EM emplace #define EB emplace_back #define BI back_inserter #define MP make_pair #define fst first #define snd second #define DUMP( x ) cerr << #x << " = " << ( x ) << endl constexpr int MOD = 1000000007; // 素因数分解 O( √N ) vector< long long > primeFactorization( long long N ) { if ( N == 1 ) { return vector< long long >(); } vector< long long > result; for ( long long p = 2; p * p <= N; p++ ) { while ( !( N % p ) ) { result.push_back( p ); N /= p; } } if ( N != 1 ) { result.push_back( N ); } return result; } // a^x を mod で求める // 反復二乗法 // O( log x ) long long mod_pow( long long a, long long x, long long mod ) { a %= mod; long long res = 1; for ( ; x; x >>= 1, ( a *= a ) %= mod ) { if ( x & 1 ) { ( res *= a ) %= mod; } } return res; } int main() { cin.tie( 0 ); ios::sync_with_stdio( false ); int N, K; cin >> N >> K; VI A( N ); cin >> A; map< int, VI > exps; FOR( a, A ) { const auto factors = primeFactorization( a ); map< int, int > counts; FOR( p, factors ) { ++counts[p]; } FOR( p, counts ) { exps[ p.fst ].PB( p.snd ); } } LL res = 1; FOR( p, exps ) { const int prime = p.fst; VI exp = p.snd; sort( ALL( exp ), greater< int >() ); const int e = accumulate( begin( exp ), begin( exp ) + min( SZ( exp ), K ), 0 ); ( res *= mod_pow( prime, e, MOD ) ) %= MOD; } cout << res << endl; return 0; }