結果
| 問題 |
No.179 塗り分け
|
| コンテスト | |
| ユーザー |
actu3
|
| 提出日時 | 2015-06-21 01:02:39 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 449 ms / 3,000 ms |
| コード長 | 2,600 bytes |
| コンパイル時間 | 3,588 ms |
| コンパイル使用メモリ | 77,848 KB |
| 実行使用メモリ | 56,828 KB |
| 最終ジャッジ日時 | 2024-07-23 14:30:57 |
| 合計ジャッジ時間 | 13,576 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 6 |
| other | AC * 40 |
ソースコード
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.IOException;
import java.util.*;
public class Yuki179 {
public static void main(String[] args) {
InputStream inputStream = System.in;
OutputStream outputStream = System.out;
InputReader in = new InputReader(inputStream);
PrintWriter out = new PrintWriter(outputStream);
Solver solver = new Solver();
solver.solve(1, in, out);
out.close();
}
static class Solver {
public void solve(int testNumber, InputReader in, PrintWriter out) {
int h = in.nextInt();
int w = in.nextInt();
String[] s = new String[h];
for (int i = 0; i < h; i++) {
s[i] = in.next();
}
boolean none = true;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (s[i].charAt(j) == '#') none = false;
}
}
if (none) {
System.out.println("NO");
return;
}
for (int dh = -h; dh <= h; dh++) {
for (int dw = -w; dw <= w; dw++) {
if (dh == 0 && dw == 0) continue;
boolean good = true;
boolean[][] used = new boolean[h][w];
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (s[i].charAt(j) != '#' || used[i][j]) continue;
//color (i,j) red
int bh = i + dh;
int bw = j + dw;
if (bh < 0 || h <= bh) continue;
if (bw < 0 || w <= bw) continue;
if (s[bh].charAt(bw) != '#' || used[bh][bw]) {
good = false;
break;
}
used[i][j] = true;
used[bh][bw] = true;
}
}
if (!good) continue;
//check
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
if (s[i].charAt(j) == '#' && !used[i][j]) {
good = false;
}
}
}
if (good) {
System.out.println("YES");
return;
}
}
}
System.out.println("NO");
}
}
static class InputReader {
public BufferedReader reader;
public StringTokenizer tokenizer;
public InputReader(InputStream stream) {
reader = new BufferedReader(new InputStreamReader(stream), 32768);
tokenizer = null;
}
public String next() {
while (tokenizer == null || !tokenizer.hasMoreTokens()) {
try {
tokenizer = new StringTokenizer(reader.readLine());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken();
}
public int nextInt() {
return Integer.parseInt(next());
}
}
}
actu3