結果

問題 No.291 黒い文字列
ユーザー torus711torus711
提出日時 2015-10-16 23:05:22
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 65 ms / 2,000 ms
コード長 3,763 bytes
コンパイル時間 922 ms
コンパイル使用メモリ 94,384 KB
実行使用メモリ 13,668 KB
最終ジャッジ日時 2024-07-21 20:16:54
合計ジャッジ時間 2,871 ms
ジャッジサーバーID
（参考情報） 		judge3 / 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 17 ms
13,408 KB
testcase_01 AC 18 ms
13,664 KB
testcase_02 AC 21 ms
13,404 KB
testcase_03 AC 18 ms
13,532 KB
testcase_04 AC 16 ms
13,536 KB
testcase_05 AC 19 ms
13,536 KB
testcase_06 AC 20 ms
13,540 KB
testcase_07 AC 18 ms
13,408 KB
testcase_08 AC 17 ms
13,536 KB
testcase_09 AC 16 ms
13,408 KB
testcase_10 AC 23 ms
13,532 KB
testcase_11 AC 21 ms
13,532 KB
testcase_12 AC 22 ms
13,540 KB
testcase_13 AC 16 ms
13,532 KB
testcase_14 AC 20 ms
13,536 KB
testcase_15 AC 18 ms
13,536 KB
testcase_16 AC 50 ms
13,536 KB
testcase_17 AC 52 ms
13,536 KB
testcase_18 AC 49 ms
13,412 KB
testcase_19 AC 59 ms
13,532 KB
testcase_20 AC 60 ms
13,532 KB
testcase_21 AC 48 ms
13,540 KB
testcase_22 AC 62 ms
13,536 KB
testcase_23 AC 65 ms
13,664 KB
testcase_24 AC 59 ms
13,536 KB
testcase_25 AC 50 ms
13,408 KB
testcase_26 AC 50 ms
13,412 KB
testcase_27 AC 44 ms
13,532 KB
testcase_28 AC 43 ms
13,536 KB
testcase_29 AC 45 ms
13,668 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:81:13: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations]
   81 |         gets( S );
      |         ~~~~^~~~~
In file included from /usr/include/stdio.h:894,
                 from /usr/include/c++/11/cstdio:42,
                 from /usr/include/c++/11/ext/string_conversions.h:43,
                 from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/ostream:38,
                 from /usr/include/c++/11/iostream:39,
                 from main.cpp:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:240:1: note: declared here
  240 | gets (char *__str)
      | ^~~~
main.cpp:81:13: warning: ignoring return value of ‘char* gets(char*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   81 |         gets( S );
      |         ~~~~^~~~~
/usr/bin/ld: /tmp/ccOBj8yh.o: in function `main':
main.cpp:(.text.startup+0x3b): 警告: the `gets' function is dangerous and should not be used.

ソースコード

diff # 

#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 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

char dp[ 2 ][ 22 ][ 22 ][ 22 ][ 22 ][ 22 ];

char S[ 128 ];
#include <cstring>

int main()
{
	cin.tie( 0 );
	ios::sync_with_stdio( false );

// 	string S;
// 	cin >> S;
//
// 	const int L = SZ( S );


	gets( S );
	const int L = strlen( S );

	dp[0][0][0][0][0][0] = 1;
	REP( i, L )
	{
		const int cur = i & 1;
		const int nex = 1 - cur;

		fill( AALL( dp[ nex ], char ), 0 );

		for ( int a = 0; a <= 20; ++a )
		{
			for ( int b = 0; a + b <= 20; ++b )
			{
				for ( int c = 0; a + b + c <= 20; ++c )
				{
					for ( int d = 0; a + b + c + d <= 20; ++d )
					{
						for ( int e = 0; a + b + c + d + e <= 20; ++e )
						{
							if ( !dp[ cur ][a][b][c][d][e] )
							{
								continue;
							}

							dp[ nex ][a][b][c][d][e] = 1;

							if ( S[i] == 'K' || S[i] == '?' )
							{
								dp[ nex ][ a + 1 ][b][c][d][e] = 1;
							}
							if ( ( S[i] == 'U' || S[i] == '?' ) && a )
							{
								dp[ nex ][ a - 1 ][ b + 1 ][c][d][e] = 1;
							}
							if ( ( S[i] == 'R' || S[i] == '?' ) && b )
							{
								dp[ nex ][a][ b - 1 ][ c + 1 ][d][e] = 1;
							}
							if ( ( S[i] == 'O' || S[i] == '?' ) && c )
							{
								dp[ nex ][a][b][ c - 1 ][ d + 1 ][e] = 1;
							}
							if ( ( S[i] == 'I' || S[i] == '?' ) && d )
							{
								dp[ nex ][a][b][c][ d - 1 ][ e + 1 ] = 1;
							}
						}
					}
				}
			}
		}
	}

	int res = 0;
	REP( a, 21 )
	{
		REP( b, 21 )
		{
			REP( c, 21 )
			{
				REP( d, 21 )
				{
					REP( e, 21 )
					{
						if ( dp[ L % 2 ][a][b][c][d][e] )
						{
							res = max( res, e );
						}
					}
				}
			}
		}
	}
	cout << res << endl;

	return 0;
}
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