結果
問題 | No.94 圏外です。(EASY) |
ユーザー | torus711 |
提出日時 | 2016-12-18 15:18:15 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 7 ms / 5,000 ms |
コード長 | 4,378 bytes |
コンパイル時間 | 1,019 ms |
コンパイル使用メモリ | 105,408 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-26 08:06:07 |
合計ジャッジ時間 | 1,740 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 4 ms
5,376 KB |
testcase_09 | AC | 6 ms
5,376 KB |
testcase_10 | AC | 7 ms
5,376 KB |
testcase_11 | AC | 6 ms
5,376 KB |
testcase_12 | AC | 6 ms
5,376 KB |
testcase_13 | AC | 7 ms
5,376 KB |
testcase_14 | AC | 6 ms
5,376 KB |
testcase_15 | AC | 6 ms
5,376 KB |
testcase_16 | AC | 6 ms
5,376 KB |
testcase_17 | AC | 6 ms
5,376 KB |
testcase_18 | AC | 6 ms
5,376 KB |
testcase_19 | AC | 5 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 1 ms
5,376 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 <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 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 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 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 DRANGE( c, p ) begin( c ), begin( c ) + ( p ), end( c ) #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 class UnionFind { private: const int N; vector<int> parent; vector<int> rank; int groups_; std::vector< int > sizes; public: UnionFind( int n ) : N( n ), parent( N ), rank( N, 0 ), groups_( N ), sizes( N, 1 ) { std::iota( parent.begin(), parent.end(), 0 ); return; } int find( int x ) { if ( parent[x] == x ) { return x; } return parent[x] = find( parent[x] ); } bool same( int x, int y ) { return find( x ) == find( y ); } bool unite( int x, int y ) { x = find( x ); y = find( y ); if ( x == y ) { return false; } if ( rank[x] < rank[y] ) { parent[x] = y; sizes[y] += sizes[x]; } else { parent[y] = x; sizes[x] += sizes[y]; if ( rank[x] == rank[y] ) { ++rank[x]; } } --groups_; return true; } int groups() const { return groups_; } int groupSize( const int x ) { return sizes[ find( x ) ]; } }; // UnionFind( N ) // find( x ) // same( x, y ) // unite( x, y ) // groups() // groupSize( x ) int main() { cin.tie( 0 ); ios::sync_with_stdio( false ); cout << setprecision( 12 ) << fixed; int N; cin >> N; static int X[ 1024 ], Y[ 1924 ]; REP( i, N ) { cin >> X[i] >> Y[i]; } UnionFind uf( N ); REP( i, N ) { REP( j, N ) { const int dx = X[i] - X[j]; const int dy = Y[i] - Y[j]; if ( dx * dx + dy * dy <= 100 ) { uf.unite( i, j ); } } } double res = N ? 2 : 1; REP( i, N ) { REP( j, i ) { if ( !uf.same( i, j ) ) { continue; } const int dx = X[i] - X[j]; const int dy = Y[i] - Y[j]; chmax( res, sqrt( dx * dx + dy * dy ) + 2 ); } } cout << res << endl; return 0; }