結果
問題 | No.157 2つの空洞 |
ユーザー | Gyuuto |
提出日時 | 2015-11-25 11:56:40 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,901 bytes |
コンパイル時間 | 785 ms |
コンパイル使用メモリ | 94,708 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-13 17:23:40 |
合計ジャッジ時間 | 1,586 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
ソースコード
// Standard I/O #include <iostream> #include <sstream> #include <cstdio> // Standard Library #include <cstdlib> #include <cstring> #include <ctime> #include <cmath> // Template Class #include <complex> #include <string> #include <vector> #include <list> #include <set> #include <map> #include <queue> #include <stack> // Container Control #include <algorithm> using namespace std; #define rep( i, n ) for( int i = 0; i < n; ++i ) #define irep( i, n ) for( int i = n-1; i >= 0; --i ) #define reep( i, s, n ) for ( int i = s; i < n; ++i ) #define ireep( i, n, s ) for ( int i = n-1; i >= s; --i ) #define foreach(itr, x) for( typeof(x.begin()) itr = x.begin(); itr != x.end(); ++itr) #define mp( a, b ) make_pair( a, b ) #define pb( a ) push_back( a ) #define all( v ) v.begin(), v.end() #define fs first #define sc second #define vc vector // for visualizer.html double SCALE = 1.0; double OFFSET_X = 0.0; double OFFSET_Y = 0.0; #define LINE(x,y,a,b) cerr << "line(" << SCALE*(x) + OFFSET_X << "," \ << SCALE*(y) + OFFSET_Y << "," \ << SCALE*(a) + OFFSET_X << "," \ << SCALE*(b) + OFFSET_Y << ")" << endl; #define CIRCLE(x,y,r) cerr << "circle(" << SCALE*(x) + OFFSET_X << "," \ << SCALE*(y) + OFFSET_Y << "," \ << SCALE*(r) << ")" << endl; typedef long long ll; typedef complex<double> Point; typedef pair<int, int> pii; typedef pair<int, pii> ipii; typedef vector<int> vi; typedef vector<double> vd; typedef vector< vector<int> > vii; typedef vector< vector<double> > vdd; typedef vector<int>::iterator vi_itr; const int IINF = 1 << 28; const double INF = 1e30; const double EPS = 1e-10; const double PI = acos(-1.0); // Direction : L U R D const int dx[] = { -1, 0, 1, 0}; const int dy[] = { 0, -1, 0, 1 }; int W, H; char field[20][20]; void func ( int x, int y, char c ) { field[y][x] = c; rep(i, 4){ int ny = y + dy[i]; int nx = x + dx[i]; if( ny < 0 || nx < 0 || ny >= H || nx >= W ) continue; if( field[ny][nx] != '.' ) continue; func( nx, ny, c ); } } int main() { cin >> W >> H; rep(i, H) rep(j, W) cin >> field[i][j]; char c = '1'; rep(i, H) rep(j, W) if( field[i][j] == '.' ){ func(j, i, c); ++c; } typedef tuple<int, int, int> node; priority_queue<node, vector<node>, greater<node>> que; int used[20][20]; rep(i, H) rep(j, W) used[i][j] = IINF; rep(i, H) rep(j, W) if( que.empty() && field[i][j] == '1' ){ que.push( make_tuple(0, i, j) ); break; } while( !que.empty() ){ auto p = que.top(); que.pop(); int x, y, c; tie(c, y, x) = p; if( field[y][x] == '2' ){ cout << c << endl; break; } if( used[y][x] != IINF ) continue; used[y][x] = c; rep(i, 4){ int ny = y + dy[i]; int nx = x + dx[i]; int nc = c + (field[ny][nx] == '#'); if( nx < 0 || nx >= W || ny < 0 || ny >= H ) continue; if( used[ny][nx] < nc ) continue; que.push( make_tuple(nc, ny, nx) ); } } }