結果

問題 No.179 塗り分け
ユーザー wdkkouwdkkou
提出日時 2019-09-17 11:29:13
言語 Java19
(openjdk 21)
結果
AC  
実行時間 243 ms / 3,000 ms
コード長 4,367 bytes
コンパイル時間 2,597 ms
コンパイル使用メモリ 74,188 KB
実行使用メモリ 56,060 KB
最終ジャッジ日時 2023-09-30 21:14:27
合計ジャッジ時間 8,951 ms
ジャッジサーバーID
(参考情報)
judge15 / judge12
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 44 ms
49,500 KB
testcase_01 AC 45 ms
48,948 KB
testcase_02 AC 44 ms
49,052 KB
testcase_03 AC 45 ms
49,228 KB
testcase_04 AC 45 ms
49,004 KB
testcase_05 AC 91 ms
56,060 KB
testcase_06 AC 60 ms
50,500 KB
testcase_07 AC 48 ms
49,228 KB
testcase_08 AC 214 ms
54,980 KB
testcase_09 AC 74 ms
51,916 KB
testcase_10 AC 92 ms
54,664 KB
testcase_11 AC 90 ms
54,192 KB
testcase_12 AC 142 ms
52,584 KB
testcase_13 AC 44 ms
49,080 KB
testcase_14 AC 48 ms
49,212 KB
testcase_15 AC 44 ms
49,116 KB
testcase_16 AC 44 ms
49,068 KB
testcase_17 AC 43 ms
49,108 KB
testcase_18 AC 108 ms
54,352 KB
testcase_19 AC 85 ms
53,364 KB
testcase_20 AC 139 ms
54,072 KB
testcase_21 AC 221 ms
54,408 KB
testcase_22 AC 243 ms
54,496 KB
testcase_23 AC 161 ms
54,496 KB
testcase_24 AC 238 ms
54,688 KB
testcase_25 AC 236 ms
54,872 KB
testcase_26 AC 130 ms
52,500 KB
testcase_27 AC 236 ms
55,300 KB
testcase_28 AC 91 ms
54,280 KB
testcase_29 AC 207 ms
54,808 KB
testcase_30 AC 107 ms
54,608 KB
testcase_31 AC 174 ms
54,928 KB
testcase_32 AC 161 ms
54,652 KB
testcase_33 AC 184 ms
54,176 KB
testcase_34 AC 98 ms
54,364 KB
testcase_35 AC 175 ms
54,860 KB
testcase_36 AC 44 ms
49,228 KB
testcase_37 AC 45 ms
49,072 KB
testcase_38 AC 44 ms
49,360 KB
testcase_39 AC 44 ms
49,160 KB
testcase_40 AC 43 ms
49,160 KB
testcase_41 AC 44 ms
49,080 KB
testcase_42 AC 46 ms
49,216 KB
testcase_43 AC 62 ms
50,280 KB
testcase_44 AC 99 ms
54,484 KB
testcase_45 AC 47 ms
49,244 KB
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 #

import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args) {
        FastScanner sc = new FastScanner();
        int h = sc.nextInt();
        int w = sc.nextInt();
        String[] s = new String[h];
        for (int i = 0; i < h; i++) {
            s[i] = sc.next();
        }
        boolean color = false;
        for (int i = 0; i < h; i++) {
            for (int j = 0; j < w; j++) {
                if (s[i].charAt(j) == '#') {
                    color = true;
                    break;
                }
            }
        }
        if (!color) {
            System.out.println("NO");
            return;
        }
        for (int x = -w; x <= w; x++) {
            for (int y = -h; y <= h; y++) {
                if (x == 0 && y == 0) {
                    continue;
                }
                boolean[][] check = new boolean[h][w];
                boolean ok = true;
                for (int i = 0; i < h; i++) {
                    for (int j = 0; j < w; j++) {
                        if (check[i][j]) {
                            continue;
                        }
                        if (s[i].charAt(j) == '.') {
                            continue;
                        }
                        check[i][j] = true;
                        int nx = j + x;
                        int ny = i + y;
                        if (nx < 0 || nx >= w || ny < 0 || ny >= h) {
                            ok = false;
                            break;
                        }
                        if (check[ny][nx]) {
                            ok = false;
                            break;
                        }
                        if (s[ny].charAt(nx) == '.') {
                            ok = false;
                            break;
                        }
                        check[ny][nx] = true;
                    }
                }
                if (ok) {
                    System.out.println("YES");
                    return;
                }
            }
        }
        System.out.println("NO");
    }
}

class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }

    private int readByte() {
        if (hasNextByte())
            return buffer[ptr++];
        else
            return -1;
    }

    private static boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    }

    public boolean hasNext() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr]))
            ptr++;
        return hasNextByte();
    }

    public String next() {
        if (!hasNext())
            throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    public long nextLong() {
        if (!hasNext())
            throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }

    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
            throw new NumberFormatException();
        return (int) nl;
    }

    public double nextDouble() {
        return Double.parseDouble(next());
    }
}
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