結果
問題 | No.340 雪の足跡 |
ユーザー | torus711 |
提出日時 | 2017-02-26 15:18:54 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 691 ms / 1,000 ms |
コード長 | 4,858 bytes |
コンパイル時間 | 1,356 ms |
コンパイル使用メモリ | 116,084 KB |
実行使用メモリ | 62,592 KB |
最終ジャッジ日時 | 2024-06-11 16:39:21 |
合計ジャッジ時間 | 9,806 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 2 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 | 3 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 19 ms
8,192 KB |
testcase_15 | AC | 22 ms
8,320 KB |
testcase_16 | AC | 14 ms
5,760 KB |
testcase_17 | AC | 28 ms
8,960 KB |
testcase_18 | AC | 25 ms
8,960 KB |
testcase_19 | AC | 28 ms
8,960 KB |
testcase_20 | AC | 252 ms
62,464 KB |
testcase_21 | AC | 104 ms
5,376 KB |
testcase_22 | AC | 102 ms
62,336 KB |
testcase_23 | AC | 244 ms
62,592 KB |
testcase_24 | AC | 223 ms
62,464 KB |
testcase_25 | AC | 235 ms
62,336 KB |
testcase_26 | AC | 25 ms
5,376 KB |
testcase_27 | AC | 7 ms
5,376 KB |
testcase_28 | AC | 28 ms
6,400 KB |
testcase_29 | AC | 494 ms
37,888 KB |
testcase_30 | AC | 340 ms
29,696 KB |
testcase_31 | AC | 583 ms
57,344 KB |
testcase_32 | AC | 679 ms
62,464 KB |
testcase_33 | AC | 549 ms
62,464 KB |
testcase_34 | AC | 691 ms
62,464 KB |
testcase_35 | AC | 287 ms
62,464 KB |
testcase_36 | AC | 290 ms
62,464 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 > struct getv_fmt; template <> struct getv_fmt< int >{ static constexpr const char *fmt = "%d"; }; template <> struct getv_fmt< long long >{ static constexpr const char *fmt = "%lld"; }; template < typename T > void getv( std::vector< T > &v ){ for_each( begin( v ), end( v ), []( T &a ){ scanf( getv_fmt< T >::fmt, &a ); } ); }; 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 constexpr int INF = LIM<>::max() / 2; constexpr int dy[] = { 0, 1, 0, -1 }; constexpr int dx[] = { 1, 0, -1, 0 }; int main() { cin.tie( 0 ); ios::sync_with_stdio( false ); cout << setprecision( 12 ) << fixed; int W, H, N; scanf( "%d%d%d", &W, &H, &N ); VT< VVI > segments( H + 1, VVI( W + 1, VI( 4 ) ) ); REP( N ) { int M; scanf( "%d", &M ); VI B( M + 1 ); getv( B ); REP( i, M ) { const int y1 = B[i] / W; const int x1 = B[i] % W; const int y2 = B[ i + 1 ] / W; const int x2 = B[ i + 1 ] % W; int sy, gy, sx, gx; tie( sy, gy ) = minmax( y1, y2 ); tie( sx, gx ) = minmax( x1, x2 ); REP( k, 2 ) { if ( sy == gy ) { ++segments[ sy ][ sx + k ][ k * 2 ]; --segments[ sy ][ gx + k ][ k * 2 ]; } else { ++segments[ sy + k ][ sx ][ 1 + k * 2 ]; --segments[ gy + k ][ sx ][ 1 + k * 2 ]; } } } } REP( k, 4 ) { REP( i, H ) { REP( j, W ) { const int hor = k % 2 == 0; segments[ i + !hor ][ j + hor ][k] += segments[i][j][k]; } } } VVI distances( H, VI( W, INF ) ); distances[0][0] = 0; queue< PII > que; que.EM( 0, 0 ); while ( !que.empty() ) { const int y = que.front().fst; const int x = que.front().snd; que.pop(); REP( d, 4 ) { const int ny = y + dy[d]; const int nx = x + dx[d]; if ( segments[y][x][d] && 0 <= ny && ny < H && 0 <= nx && nx < W && distances[ ny ][ nx ] == INF ) { // cout << y << ' ' << x << " -> " << ny << ' ' << nx << endl; distances[ ny ][ nx ] = distances[y][x] + 1; que.EM( ny, nx ); } } } const int res = distances[ H - 1 ][ W - 1 ]; if ( res == INF ) { puts( "Odekakedekinai.." ); } else { printf( "%d\n", res ); } fflush( stdout ); return 0; }