結果
問題 | No.1266 7 Colors |
ユーザー | tenten |
提出日時 | 2023-03-22 15:47:04 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,118 ms / 3,000 ms |
コード長 | 4,376 bytes |
コンパイル時間 | 4,920 ms |
コンパイル使用メモリ | 91,868 KB |
実行使用メモリ | 93,448 KB |
最終ジャッジ日時 | 2024-09-18 14:55:17 |
合計ジャッジ時間 | 20,497 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 46 ms
36,880 KB |
testcase_01 | AC | 46 ms
36,764 KB |
testcase_02 | AC | 48 ms
36,628 KB |
testcase_03 | AC | 559 ms
59,224 KB |
testcase_04 | AC | 932 ms
69,180 KB |
testcase_05 | AC | 600 ms
58,936 KB |
testcase_06 | AC | 991 ms
74,236 KB |
testcase_07 | AC | 1,118 ms
91,164 KB |
testcase_08 | AC | 997 ms
84,048 KB |
testcase_09 | AC | 1,030 ms
79,972 KB |
testcase_10 | AC | 706 ms
66,024 KB |
testcase_11 | AC | 719 ms
60,356 KB |
testcase_12 | AC | 762 ms
73,252 KB |
testcase_13 | AC | 740 ms
64,620 KB |
testcase_14 | AC | 602 ms
59,716 KB |
testcase_15 | AC | 904 ms
77,744 KB |
testcase_16 | AC | 769 ms
76,312 KB |
testcase_17 | AC | 1,035 ms
90,316 KB |
testcase_18 | AC | 737 ms
93,448 KB |
testcase_19 | AC | 619 ms
81,168 KB |
testcase_20 | AC | 616 ms
81,304 KB |
testcase_21 | AC | 342 ms
52,848 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int m = sc.nextInt(); int q = sc.nextInt(); boolean[][] enables = new boolean[n][7]; UnionFindTree uft = new UnionFindTree(n * 7); ArrayList<ArrayList<Integer>> graph = new ArrayList<>(); for (int i = 0; i < n; i++) { char[] input = sc.next().toCharArray(); for (int j = 0; j < 7; j++) { enables[i][j] = (input[j] == '1'); if (input[j] == '1' && input[(j + 1) % 7] == '1') { uft.unite(i * 7 + j, i * 7 + (j + 1) % 7); } } graph.add(new ArrayList<>()); } for (int i = 0; i < m; i++) { int a = sc.nextInt() - 1; int b = sc.nextInt() - 1; for (int j = 0; j < 7; j++) { if (enables[a][j] && enables[b][j]) { uft.unite(a * 7 + j, b * 7 + j); } } graph.get(a).add(b); graph.get(b).add(a); } StringBuilder sb = new StringBuilder(); while (q-- > 0) { if (sc.nextInt() == 1) { int idx = sc.nextInt() - 1; int color = sc.nextInt() - 1; enables[idx][color] = true; if (enables[idx][(color - 1 + 7) % 7]) { uft.unite(idx * 7 + color, idx * 7 + (color - 1 + 7) % 7); } if (enables[idx][(color + 1) % 7]) { uft.unite(idx * 7 + color, idx * 7 + (color + 1) % 7); } for (int x : graph.get(idx)) { if (enables[x][color]) { uft.unite(idx * 7 + color, x * 7 + color); } } } else { int idx = sc.nextInt() - 1; sc.nextInt(); sb.append(uft.getCount(idx * 7)).append("\n"); } } System.out.print(sb); } static class UnionFindTree { int[] parents; int[] counts; public UnionFindTree(int size) { parents = new int[size]; counts = new int[size]; for (int i = 0; i < size; i++) { parents[i] = i; counts[i] = 1; } } public int find(int x) { if (x == parents[x]) { return x; } else { return parents[x] = find(parents[x]); } } public boolean same(int x, int y) { return find(x) == find(y); } public void unite(int x, int y) { int xx = find(x); int yy = find(y); if (xx != yy) { parents[yy] = xx; counts[xx] += counts[yy]; } } public int getCount(int x) { return counts[find(x)]; } } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }