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
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 6
other AC * 32
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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;
}
}
}
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