結果
問題 | No.402 最も海から遠い場所 |
ユーザー |
|
提出日時 | 2016-07-23 00:12:32 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 733 ms / 3,000 ms |
コード長 | 2,585 bytes |
コンパイル時間 | 3,925 ms |
コンパイル使用メモリ | 79,288 KB |
実行使用メモリ | 164,464 KB |
最終ジャッジ日時 | 2024-11-06 13:57:54 |
合計ジャッジ時間 | 10,396 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 19 |
ソースコード
import java.io.*;import java.util.*;public class Main_yukicoder402 {public static void main(String[] args) {Scanner sc = new Scanner(System.in);Printer pr = new Printer(System.out);int[] dx = {1, 0, -1, 0};int[] dy = {0, 1, 0, -1};int h = sc.nextInt();int w = sc.nextInt();char[][] s = new char[h][];int[][] ss = new int[h][w];for (int i = 0; i < h; i++) {s[i] = sc.next().toCharArray();for (int j = 0; j < w; j++) {if (s[i][j] == '#') {ss[i][j] = 1;}}}int[][] sum = new int[h + 1][w + 1];for (int i = 0; i < h; i++) {for (int j = 0; j < w; j++) {sum[i + 1][j + 1] = sum[i + 1][j] + ss[i][j];}}for (int i = 0; i < h; i++) {for (int j = 0; j < w; j++) {sum[i + 1][j + 1] += sum[i][j + 1];}}int max = 0;for (int i = 0; i < h; i++) {for (int j = 0; j < w; j++) {if (s[i][j] != '#') {continue;}for (int k = max; k <= Math.min(h, w); k++) {if (i + k + 1 > h || j + k + 1 > w) {break;}int tmp = sum[i + k + 1][j + k + 1] - sum[i + k + 1][j] - sum[i][j + k + 1] + sum[i][j];if (tmp == (k + 1) * (k + 1)) {max = Math.max(max, k);} else {break;}}}}pr.println((max + 2) / 2);pr.close();sc.close();}@SuppressWarnings("unused")private static class Scanner {BufferedReader br;Iterator<String> it;Scanner (InputStream in) {br = new BufferedReader(new InputStreamReader(in));}String next() throws RuntimeException {try {if (it == null || !it.hasNext()) {// it = Arrays.asList(br.readLine().split(" ")).iterator();it = Arrays.asList(br.readLine().split("\\p{javaWhitespace}+")).iterator();}return it.next();} catch (IOException e) {throw new IllegalStateException();}}int nextInt() throws RuntimeException {return Integer.parseInt(next());}long nextLong() throws RuntimeException {return Long.parseLong(next());}float nextFloat() throws RuntimeException {return Float.parseFloat(next());}double nextDouble() throws RuntimeException {return Double.parseDouble(next());}void close() {try {br.close();} catch (IOException e) {// throw new IllegalStateException();}}}private static class Printer extends PrintWriter {Printer(PrintStream out) {super(out);}}}