結果

問題 No.323 yuki国
ユーザー ki_ki33ki_ki33
提出日時 2015-12-16 17:34:50
言語 Java21
(openjdk 21)
結果
AC  
実行時間 440 ms / 5,000 ms
コード長 3,652 bytes
コンパイル時間 2,713 ms
コンパイル使用メモリ 85,760 KB
実行使用メモリ 69,400 KB
最終ジャッジ日時 2023-09-10 21:19:37
合計ジャッジ時間 11,537 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge15
このコードへのチャレンジ（β）

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 125 ms
55,916 KB
testcase_01 AC 125 ms
55,632 KB
testcase_02 AC 127 ms
56,352 KB
testcase_03 AC 145 ms
55,596 KB
testcase_04 AC 128 ms
55,636 KB
testcase_05 AC 141 ms
55,640 KB
testcase_06 AC 125 ms
55,772 KB
testcase_07 AC 138 ms
55,688 KB
testcase_08 AC 232 ms
62,924 KB
testcase_09 AC 231 ms
63,484 KB
testcase_10 AC 127 ms
55,768 KB
testcase_11 AC 125 ms
55,688 KB
testcase_12 AC 126 ms
55,992 KB
testcase_13 AC 195 ms
59,912 KB
testcase_14 AC 196 ms
60,084 KB
testcase_15 AC 388 ms
66,708 KB
testcase_16 AC 317 ms
64,332 KB
testcase_17 AC 250 ms
63,444 KB
testcase_18 AC 285 ms
60,756 KB
testcase_19 AC 230 ms
63,108 KB
testcase_20 AC 208 ms
62,136 KB
testcase_21 AC 239 ms
63,072 KB
testcase_22 AC 440 ms
69,400 KB
testcase_23 AC 241 ms
63,140 KB
testcase_24 AC 274 ms
64,332 KB
testcase_25 AC 265 ms
64,780 KB
testcase_26 AC 270 ms
64,848 KB
testcase_27 AC 283 ms
64,476 KB
testcase_28 AC 325 ms
65,796 KB
testcase_29 AC 365 ms
66,744 KB
testcase_30 AC 127 ms
55,428 KB
testcase_31 AC 127 ms
55,672 KB
testcase_32 AC 127 ms
55,632 KB
testcase_33 AC 127 ms
55,828 KB
testcase_34 AC 130 ms
55,756 KB
testcase_35 AC 127 ms
55,652 KB
testcase_36 AC 128 ms
55,768 KB
testcase_37 AC 126 ms
55,432 KB
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ソースコード

diff # 

import java.awt.Point;
import java.awt.Rectangle;
import java.awt.geom.Rectangle2D;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentSkipListSet;

import javax.swing.ImageIcon;

public class Main {
	static final long C =  1000000007;
	static final int CY = 1000000000;
	//long[] F;

	public void calc() {
		long fTime = System.currentTimeMillis();
		StringBuilder sb = new StringBuilder();
		BufferedInputStream bs = new BufferedInputStream(System.in);

		Scanner sc = new Scanner(bs);

		int h = sc.nextInt();
		int w = sc.nextInt();

		int f = sc.nextInt();
		Point fp = new Point(sc.nextInt(), sc.nextInt());
		g = sc.nextInt();
		gp = new Point(sc.nextInt(), sc.nextInt());

		map = new char[h][];

		for (int i=0; i < h; i++) {
			map[i] = sc.next().toCharArray();
		}

		
		memo = new boolean[h][w][1501];

		boolean ans = false;
		memo[fp.x][fp.y][f] = true;

		HashSet<Point> ps = new HashSet<Point>();
		ps.add(fp);
		do {
			HashSet<Point> rent = new HashSet<Point>();
			for (Point p:ps) {
				rent.addAll(msd(p.x, p.y));
			}
			ps = rent;
		}while(ps.size() > 0);

		ans = memo[gp.x][gp.y][g];
		System.out.println(ans?"Yes":"No");

	}
	//static int N = 1500;
	boolean[][][] memo ;
	char[][] map;
	int g;
	Point gp;

	HashSet<Point> msd(int x, int y) {
		HashSet<Point> ret = new HashSet<Point>();
		if (memo[gp.x][gp.y][g]) {
			return ret;
		}
		int nx = x+1, ny = y;
		boolean isUp = false;
		boolean isDown = false;
		if (isIn(nx, ny)) {
			char nc = map[nx][ny];
			if (nc == map[x][y]) {
				if (nc == '.' ) {
					isDown = true;
				}else {
					isUp = true;
				}
				
			}
		}
		nx = x-1;ny = y;
		if (isIn(nx, ny)) {
			char nc = map[nx][ny];
			if (nc == map[x][y]) {
				if (nc == '.' ) {
					isDown = true;
				}else {
					isUp = true;
				}
				
			}
		}
		nx = x;ny = y+1;
		if (isIn(nx, ny)) {
			char nc = map[nx][ny];
			if (nc == map[x][y]) {
				if (nc == '.' ) {
					isDown = true;
				}else {
					isUp = true;
				}
				
			}
		}
		nx = x;ny = y-1;
		if (isIn(nx, ny)) {
			char nc = map[nx][ny];
			if (nc == map[x][y]) {
				if (nc == '.' ) {
					isDown = true;
				}else {
					isUp = true;
				}
				
			}
		}
		if (isDown) {
			int max = 0;
			for (int i=1499;i >= 0; i--) {
				if (memo[x][y][i] ){
					max = i;
					break;
				}
			}
			for (int i=max;i >= 0; i-=2) {
				
					memo[x][y][i]= true; 
			
			}
		}
		if (isUp ) {
			int max = 1500;
			for (int i=0;i < 1500; i++) {
				if (memo[x][y][i] ){
					max = i;
					break;
				}
			}
			for (int i=max;i < 1500; i+=2) {
			
					memo[x][y][i]= true; 
				
			}
		}
		nx = x+1;ny = y;
		if (check(x, y, nx, ny)) {
			ret.add(new Point(nx,ny));
		}
		nx = x-1;ny = y;
		if (check(x, y, nx, ny)) {
			ret.add(new Point(nx,ny));
		}
		nx = x;ny = y+1;

		if (check(x, y, nx, ny)) {
			ret.add(new Point(nx,ny));
		}
		nx = x;ny = y-1;

		if (check(x, y, nx, ny)) {
			ret.add(new Point(nx,ny));
		}

		return ret;
	}


	private boolean check(int x, int y, int nx, int ny) {
		
		int add;
		if (isIn(nx, ny)) {
			char nc = map[nx][ny];
			add = nc == '.'?-1:1;
		
			boolean flag = false;
			for (int i=1; i < 1500; i++) {
				if (memo[x][y][i]) {
					if (!memo[nx][ny][i+add]) {
						memo[nx][ny][i+add] = true;
						flag = true;
					}
				}
			}
			return flag;	

		}
		return false;
	}


	boolean isIn(int x, int y) {
		return !(x < 0 || y < 0 || map.length <= x || map[0].length <= y);
	}






	public static void main(String[] args) {
		Main main = new Main();
		main.calc();

	}
}
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