結果
問題 | No.393 2本の竹 |
ユーザー |
![]() |
提出日時 | 2016-07-12 18:05:58 |
言語 | C++14 (gcc 11.2.0 + boost 1.78.0) |
結果 |
AC
|
実行時間 | 132 ms / 1,000 ms |
コード長 | 3,232 bytes |
コンパイル時間 | 1,918 ms |
使用メモリ | 36,328 KB |
最終ジャッジ日時 | 2022-12-14 14:23:28 |
合計ジャッジ時間 | 5,130 ms |
ジャッジサーバーID (参考情報) |
judge10 / judge14 |
テストケース
テストケース表示入力 | 結果 | 実行時間 使用メモリ |
---|---|---|
testcase_00 | AC | 86 ms
36,236 KB |
testcase_01 | AC | 86 ms
36,296 KB |
testcase_02 | AC | 87 ms
36,308 KB |
testcase_03 | AC | 88 ms
36,172 KB |
testcase_04 | AC | 86 ms
36,216 KB |
testcase_05 | AC | 87 ms
36,164 KB |
testcase_06 | AC | 87 ms
36,160 KB |
testcase_07 | AC | 88 ms
36,328 KB |
testcase_08 | AC | 86 ms
36,232 KB |
testcase_09 | AC | 132 ms
36,268 KB |
testcase_10 | AC | 96 ms
36,272 KB |
testcase_11 | AC | 106 ms
36,268 KB |
testcase_12 | AC | 107 ms
36,172 KB |
testcase_13 | AC | 100 ms
36,320 KB |
testcase_14 | AC | 95 ms
36,232 KB |
testcase_15 | AC | 34 ms
36,220 KB |
testcase_16 | AC | 72 ms
36,296 KB |
testcase_17 | AC | 85 ms
36,292 KB |
testcase_18 | AC | 86 ms
36,316 KB |
testcase_19 | AC | 65 ms
36,160 KB |
testcase_20 | AC | 85 ms
36,164 KB |
testcase_21 | AC | 86 ms
36,324 KB |
testcase_22 | AC | 109 ms
36,284 KB |
testcase_23 | AC | 98 ms
36,320 KB |
testcase_24 | AC | 86 ms
36,232 KB |
testcase_25 | AC | 78 ms
36,168 KB |
testcase_26 | AC | 72 ms
36,164 KB |
testcase_27 | AC | 113 ms
36,232 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 INF = LIM<>::max() / 2; constexpr int LMAX = ( 1 << 17 ); int dp[ 64 ][ LMAX ]; int solve() { VI L( 2 ); cin >> L; int N; cin >> N; VI A( N ); cin >> A; sort( ALL( A ) ); fill( AALL( dp, int ), -INF ); dp[0][ L[0] ] = L[1]; // dp[ processed ][ remaining length of A ] := maximum remaining length of B int res = 0; REP( i, N ) { REP( j, L[0] + 1 ) { if ( dp[i][j] == -INF ) { continue; } if ( 0 <= dp[i][j] ) { res = i; } if ( A[i] <= j ) { chmax( dp[ i + 1 ][ j - A[i] ], dp[i][j] ); } chmax( dp[ i + 1 ][j], dp[i][j] - A[i] ); } } return 0 <= *max_element( ALL( dp[N] ) ) ? N : res; } int main() { cin.tie( 0 ); ios::sync_with_stdio( false ); cout << setprecision( 12 ) << fixed; int T; cin >> T; REP( _, T ) { cout << solve() << endl; } return 0; }