#21492 (C++11) No.83 最大マッチング

• 問題: No.83 最大マッチング
• ユーザー: torus711
• 提出日時: 2015-04-22 11:51:27
• 言語: C++11 (gcc 13.3.0)
• 結果: WA
• 実行時間: -
• コード長: 2,677 bytes
• コンパイル時間: 780 ms
• コンパイル使用メモリ: 91,928 KB
• 実行使用メモリ: 6,948 KB
• 最終ジャッジ日時: 2024-07-05 00:09:32
• 合計ジャッジ時間: 1,453 ms
• ジャッジサーバーID （参考情報）: judge5 / judge1

ファイルパターン	結果
sample	AC * 3
other	AC * 6 WA * 4

ソースコード

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#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
constexpr int nums[] = { 6, 2, 5, 5, 4, 5, 6, 3, 7, 6 };
int main()
{
    cin.tie( 0 );
    ios::sync_with_stdio( false );
    int N;
    cin >> N;
    const int d = N / 2;
    int res = 0, b = 1;
    REP( i, d )
    {
        res = res * 10 + 1;
        b *= 10;
        N -= 2;
    }
    b /= 10;
    REP( iteration, d )
    {
        int t = -1;
        for ( int i = 9; 0 <= i; --i )
        {
            if ( nums[i] <= N + 2 )
            {
                t = i;
                break;
            }
        }
        if ( t == -1 )
        {
            break;
        }
        res -= b;
        res += t * b;
        N -= nums[t];
        b /= 10;
    }
    cout << res << endl;
    return 0;
}
 
 
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