結果
問題 | No.697 池の数はいくつか |
ユーザー | 37zigen |
提出日時 | 2018-06-09 17:09:04 |
言語 | Java21 (openjdk 21) |
結果 |
MLE
|
実行時間 | - |
コード長 | 2,989 bytes |
コンパイル時間 | 2,000 ms |
コンパイル使用メモリ | 78,796 KB |
実行使用メモリ | 667,616 KB |
最終ジャッジ日時 | 2024-05-04 05:12:21 |
合計ジャッジ時間 | 11,447 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 51 ms
36,608 KB |
testcase_01 | AC | 48 ms
36,900 KB |
testcase_02 | AC | 48 ms
36,816 KB |
testcase_03 | AC | 49 ms
36,564 KB |
testcase_04 | AC | 48 ms
36,900 KB |
testcase_05 | AC | 48 ms
36,860 KB |
testcase_06 | AC | 49 ms
36,560 KB |
testcase_07 | AC | 50 ms
36,736 KB |
testcase_08 | AC | 49 ms
37,000 KB |
testcase_09 | AC | 49 ms
36,688 KB |
testcase_10 | AC | 48 ms
36,704 KB |
testcase_11 | AC | 47 ms
36,436 KB |
testcase_12 | AC | 48 ms
36,900 KB |
testcase_13 | AC | 50 ms
36,696 KB |
testcase_14 | AC | 49 ms
36,464 KB |
testcase_15 | AC | 47 ms
36,288 KB |
testcase_16 | AC | 47 ms
36,680 KB |
testcase_17 | AC | 47 ms
36,760 KB |
testcase_18 | AC | 47 ms
36,812 KB |
testcase_19 | AC | 47 ms
36,816 KB |
testcase_20 | AC | 49 ms
36,812 KB |
testcase_21 | AC | 48 ms
36,296 KB |
testcase_22 | AC | 47 ms
36,704 KB |
testcase_23 | AC | 49 ms
36,436 KB |
testcase_24 | AC | 199 ms
46,876 KB |
testcase_25 | AC | 182 ms
47,028 KB |
testcase_26 | AC | 185 ms
47,056 KB |
testcase_27 | AC | 185 ms
46,924 KB |
testcase_28 | AC | 194 ms
46,936 KB |
testcase_29 | MLE | - |
testcase_30 | AC | 652 ms
76,496 KB |
testcase_31 | MLE | - |
testcase_32 | AC | 593 ms
76,696 KB |
testcase_33 | AC | 600 ms
76,812 KB |
testcase_34 | AC | 574 ms
76,580 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.math.BigInteger; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.Scanner; public class Main { public static void main(String[] args) { new Main().run(); } void run() { FastScanner sc = new FastScanner(); int H = sc.nextInt(); int W = sc.nextInt(); int[][] A = new int[H][W]; for (int i = 0; i < H; ++i) { for (int j = 0; j < W; ++j) { A[i][j] = sc.nextInt(); } } int col = -1; for (int i = 0; i < H; ++i) { for (int j = 0; j < W; ++j) { if (A[i][j] != 1) continue; go(W, H, j, i, A, col); --col; } } System.out.println(-col - 1); } void go(int W, int H, int x, int y, int[][] A, int col) { if (A[y][x] != 1) return; A[y][x] = col; for (int dx = -1; dx <= 1; ++dx) { for (int dy = -1; dy <= 1; ++dy) { if (Math.abs(dx) + Math.abs(dy) != 1) continue; if (x + dx >= W || x + dx < 0 || y + dy >= H || y + dy < 0) continue; if (A[dy + y][dx + x] == 1) { go(W, H, dx + x, dy + y, A, col); } } } } 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 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()); } } void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } }