結果
問題 | No.2955 Pizza Delivery Plan |
ユーザー | torus711 |
提出日時 | 2024-11-08 22:27:57 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 273 ms / 2,000 ms |
コード長 | 4,991 bytes |
コンパイル時間 | 1,817 ms |
コンパイル使用メモリ | 164,592 KB |
実行使用メモリ | 36,608 KB |
最終ジャッジ日時 | 2024-11-08 22:28:08 |
合計ジャッジ時間 | 6,916 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 24 ms
36,608 KB |
testcase_01 | AC | 25 ms
36,608 KB |
testcase_02 | AC | 24 ms
36,352 KB |
testcase_03 | AC | 23 ms
36,480 KB |
testcase_04 | AC | 24 ms
36,480 KB |
testcase_05 | AC | 24 ms
36,480 KB |
testcase_06 | AC | 24 ms
36,352 KB |
testcase_07 | AC | 23 ms
36,480 KB |
testcase_08 | AC | 45 ms
36,480 KB |
testcase_09 | AC | 44 ms
36,352 KB |
testcase_10 | AC | 69 ms
36,352 KB |
testcase_11 | AC | 92 ms
36,480 KB |
testcase_12 | AC | 114 ms
36,480 KB |
testcase_13 | AC | 130 ms
36,480 KB |
testcase_14 | AC | 147 ms
36,480 KB |
testcase_15 | AC | 173 ms
36,480 KB |
testcase_16 | AC | 181 ms
36,480 KB |
testcase_17 | AC | 198 ms
36,608 KB |
testcase_18 | AC | 212 ms
36,608 KB |
testcase_19 | AC | 228 ms
36,480 KB |
testcase_20 | AC | 246 ms
36,480 KB |
testcase_21 | AC | 255 ms
36,480 KB |
testcase_22 | AC | 273 ms
36,480 KB |
testcase_23 | AC | 271 ms
36,608 KB |
testcase_24 | AC | 267 ms
36,352 KB |
testcase_25 | AC | 113 ms
36,480 KB |
testcase_26 | AC | 92 ms
36,608 KB |
testcase_27 | AC | 69 ms
36,352 KB |
testcase_28 | AC | 212 ms
36,608 KB |
testcase_29 | AC | 230 ms
36,352 KB |
testcase_30 | AC | 270 ms
36,480 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 <ranges> #include <limits> #include <numeric> #include <utility> #include <type_traits> #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 VLL = vector< long long >; using VVLL = vector< vector< long long > >; template < typename T = int > using VT = vector< T >; template < typename T = int > using VVT = vector< VT< T > >; using VS = vector< string >; using ISS = istringstream; using OSS = ostringstream; using PII = pair< int, int >; using VPII = vector< pair< int, int > >; template < typename T = int > using LIM = numeric_limits< T >; template < typename T = int > using OSI = ostream_iterator< 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; } void in_impl(){}; template < typename T, typename... TS > void in_impl( T &head, TS &... tail ){ cin >> head; in_impl( tail ... ); } #define IN( T, ... ) T __VA_ARGS__; in_impl( __VA_ARGS__ ); template < typename T, typename V > auto make_vector( const int n, const V &v ) { return vector< T >( n, v ); } template < typename T, typename... TS > auto make_vector( const int n, TS... ts ) { return vector< decltype( make_vector< T >( forward< TS >( ts )...) ) >( n, make_vector< T >( forward< TS >( ts )... ) ); } template < typename T, typename V > auto make_vector0() { return vector< T >(); } template < typename T, typename... TS > auto make_vector0( const int n, TS... ts ) { return vector< decltype( make_vector0< T >( forward< TS >( ts )...) ) >( n, make_vector0< T >( forward< TS >( ts )... ) ); } 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 NUMBERED( name, number ) NUMBERED2( name, number ) #define NUMBERED2( name, number ) name ## _ ## number #define REP1( n ) REP2( NUMBERED( REP_COUNTER, __LINE__ ), n ) #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, REP1 )( __VA_ARGS__ ) #define FOR( e, c ) for ( auto &&e : c ) #define ALL( c ) begin( c ), end( c ) #define AALL( a ) ( remove_all_extents< decltype( a ) >::type * )a, ( remove_all_extents< decltype( a ) >::type * )a + sizeof( a ) / sizeof( remove_all_extents< decltype( a ) >::type ) #define MAP_PRED( c ) transform( begin( c ), end( c ), begin( c ), bind( minus< int >(), _1, 1 ) ); #define SZ( v ) ( (int)( v ).size() ) #define EXISTS( 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 // Λ Λ__ // /(*゚ー゚)/\ // /|  ̄U U ̄|\/ // | |/ constexpr auto INF = LIM< double >::max() / 2; double dist( const LL x1, const LL y1, const LL x2, const LL y2 ) { const LL dx = x1 - x2; const LL dy = y1 - y2; return sqrt( dx * dx + dy * dy ); } int main() { cin.tie( nullptr ); ios::sync_with_stdio( false ); cout << setprecision( 12 ) << fixed; IN( int, N, K ); VLL X( N ), Y( N ); REP( i, N ) { cin >> X[i] >> Y[i]; } static double dp[ 1 << 14 ][ 16 ][ 16 ]; // dp[ set of delivered house ][ current position ][ number of having pizza ] := min cost fill( AALL( dp ), INF ); REP( i, N ) { dp[ 1 << i ][i][ K - 1 ] = dist( 0, 0, X[i], Y[i] ); } REP( s, 1 << N ) { REP( i, N ) { REP( j, K ) { REP( k, N ) { if ( s & 1 << k ) { continue; } if ( j ) { chmin( dp[ s | 1 << k ][k][ j - 1 ], dp[s][i][j] + dist( X[i], Y[i], X[k], Y[k] ) ); } chmin( dp[ s | 1 << k ][k][ K - 1 ], dp[s][i][j] + dist( X[i], Y[i], 0, 0 ) + dist( 0, 0, X[k], Y[k] ) ); } } } } double res = INF; REP( i, N ) { REP( j, K ) { chmin( res, dp[ ( 1 << N ) - 1 ][i][j] + dist( X[i], Y[i], 0, 0 ) ); } } cout << res << endl; return 0; }