結果
問題 | No.190 Dry Wet Moist |
ユーザー | torus711 |
提出日時 | 2015-04-22 01:15:08 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 169 ms / 2,000 ms |
コード長 | 3,229 bytes |
コンパイル時間 | 1,023 ms |
コンパイル使用メモリ | 110,036 KB |
実行使用メモリ | 15,656 KB |
最終ジャッジ日時 | 2024-07-04 23:26:06 |
合計ジャッジ時間 | 3,212 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 58 ms
8,752 KB |
testcase_13 | AC | 69 ms
9,828 KB |
testcase_14 | AC | 55 ms
8,676 KB |
testcase_15 | AC | 77 ms
10,404 KB |
testcase_16 | AC | 98 ms
11,828 KB |
testcase_17 | AC | 13 ms
5,376 KB |
testcase_18 | AC | 45 ms
7,892 KB |
testcase_19 | AC | 98 ms
11,656 KB |
testcase_20 | AC | 72 ms
9,568 KB |
testcase_21 | AC | 9 ms
5,376 KB |
testcase_22 | AC | 113 ms
10,268 KB |
testcase_23 | AC | 169 ms
15,656 KB |
testcase_24 | AC | 138 ms
14,372 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 84 ms
10,660 KB |
testcase_28 | AC | 36 ms
7,248 KB |
testcase_29 | AC | 51 ms
8,020 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 ) ( c ).begin(), ( c ).end() #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 PB push_back #define EM emplace #define EB emplace_back #define BI back_inserter #define EXIST( c, e ) ( ( c ).find( e ) != ( c ).end() ) #define MP make_pair #define fst first #define snd second #define DUMP( x ) cerr << #x << " = " << ( x ) << endl int solve1( VI as ) { const int N = SZ( as ); VI plus, other; FOR( a, as ) { ( a <= 0 ? other : plus ).PB( a ); } sort( ALL( plus ), greater< int >() ); sort( ALL( other ) ); // DUMP( plus ); // DUMP( other ); int res = 0; VI used( SZ( plus ) ); for ( int i = 0, j = 0; i < SZ( plus ) && j < SZ( other ); ++i, ++j ) { while ( j < SZ( other ) && plus[i] + other[j] <= 0 ) ++j; if ( plus[i] + other[j] <= 0 || SZ( other ) <= j ) { break; } ++res; used[i] = true; } return res + count( ALL( used ), false ) / 2; } int solve2( const VI &as ) { map< int, int > counts; for_each( ALL( as ), [&]( const int a ){ ++counts[a]; } ); int res = 0; FOR( p, counts ) { if ( 0 <= p.fst ) { break; } res += min( p.snd, counts[ -p.fst ] ); } return res + counts[0] / 2;; } int main() { cin.tie( 0 ); ios::sync_with_stdio( false ); int N; cin >> N; VI as( 2 * N ); cin >> as; VI bs; transform( ALL( as ), BI( bs ), negate< int >() ); cout << solve1( bs ) << ' ' << solve1( as ) << ' ' << solve2( as ) << endl; return 0; }