結果
問題 | No.323 yuki国 |
ユーザー | holeguma |
提出日時 | 2015-12-20 01:04:47 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 323 ms / 5,000 ms |
コード長 | 3,530 bytes |
コンパイル時間 | 2,584 ms |
コンパイル使用メモリ | 79,716 KB |
実行使用メモリ | 48,944 KB |
最終ジャッジ日時 | 2024-06-28 12:28:19 |
合計ジャッジ時間 | 9,642 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 6 |
other | AC * 32 |
ソースコード
import java.io.InputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.Deque; import java.util.InputMismatchException; import java.util.NoSuchElementException; import java.math.BigInteger; public class Main{ static PrintWriter out; static InputReader ir; static void solve(){ int h=ir.nextInt(),w=ir.nextInt(); int A=ir.nextInt(); int[] s=ir.nextIntArray(2); int B=ir.nextInt(); int[] g=ir.nextIntArray(2); char[][] map=ir.nextCharMap(h,w); Deque<int[]> que=new ArrayDeque<>(); que.offerLast(new int[]{s[0],s[1],A}); int[] d={0,-1,0,1,0}; boolean[][][] pos=new boolean[h][w][1800]; pos[s[0]][s[1]][A]=true; while(!que.isEmpty()){ int[] p=que.pollFirst(); for(int i=0;i<4;i++){ int nx=p[0]+d[i],ny=p[1]+d[i+1]; if(!(nx>=0&&ny>=0&&nx<h&&ny<w)) continue; int ns=p[2]+(map[nx][ny]=='*'?1:-1); if(ns<=0||ns>=1800||pos[nx][ny][ns]) continue; pos[nx][ny][ns]=true; que.offerLast(new int[]{nx,ny,ns}); } } out.println(pos[g[0]][g[1]][B]?"Yes":"No"); } public static void main(String[] args) throws Exception{ ir=new InputReader(System.in); out=new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer=new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) {this.in=in; this.curbuf=this.lenbuf=0;} public boolean hasNextByte() { if(curbuf>=lenbuf){ curbuf= 0; try{ lenbuf=in.read(buffer); }catch(IOException e) { throw new InputMismatchException(); } if(lenbuf<=0) return false; } return true; } private int readByte(){if(hasNextByte()) return buffer[curbuf++]; else return -1;} private boolean isSpaceChar(int c){return !(c>=33&&c<=126);} private void skip(){while(hasNextByte()&&isSpaceChar(buffer[curbuf])) curbuf++;} public boolean hasNext(){skip(); return hasNextByte();} public String next(){ if(!hasNext()) throw new NoSuchElementException(); StringBuilder sb=new StringBuilder(); int b=readByte(); while(!isSpaceChar(b)){ sb.appendCodePoint(b); b=readByte(); } return sb.toString(); } public int nextInt() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } int res=0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public long nextLong() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } long res = 0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public double nextDouble(){return Double.parseDouble(next());} public BigInteger nextBigInteger(){return new BigInteger(next());} public int[] nextIntArray(int n){ int[] a=new int[n]; for(int i=0;i<n;i++) a[i]=nextInt(); return a; } public long[] nextLongArray(int n){ long[] a=new long[n]; for(int i=0;i<n;i++) a[i]=nextLong(); return a; } public char[][] nextCharMap(int n,int m){ char[][] map=new char[n][m]; for(int i=0;i<n;i++) map[i]=next().toCharArray(); return map; } } }