結果
問題 | No.1266 7 Colors |
ユーザー | tenten |
提出日時 | 2023-01-11 18:16:16 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 936 ms / 3,000 ms |
コード長 | 4,570 bytes |
コンパイル時間 | 2,840 ms |
コンパイル使用メモリ | 96,736 KB |
実行使用メモリ | 95,704 KB |
最終ジャッジ日時 | 2024-06-01 21:36:09 |
合計ジャッジ時間 | 18,647 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 48 ms
50,004 KB |
testcase_01 | AC | 48 ms
50,248 KB |
testcase_02 | AC | 51 ms
50,052 KB |
testcase_03 | AC | 556 ms
68,112 KB |
testcase_04 | AC | 739 ms
91,732 KB |
testcase_05 | AC | 565 ms
68,372 KB |
testcase_06 | AC | 755 ms
81,532 KB |
testcase_07 | AC | 792 ms
81,392 KB |
testcase_08 | AC | 727 ms
79,292 KB |
testcase_09 | AC | 754 ms
89,948 KB |
testcase_10 | AC | 713 ms
87,572 KB |
testcase_11 | AC | 562 ms
67,836 KB |
testcase_12 | AC | 835 ms
83,432 KB |
testcase_13 | AC | 778 ms
73,080 KB |
testcase_14 | AC | 545 ms
68,464 KB |
testcase_15 | AC | 812 ms
81,624 KB |
testcase_16 | AC | 676 ms
82,456 KB |
testcase_17 | AC | 936 ms
95,704 KB |
testcase_18 | AC | 591 ms
87,760 KB |
testcase_19 | AC | 639 ms
89,412 KB |
testcase_20 | AC | 640 ms
89,404 KB |
testcase_21 | AC | 387 ms
64,152 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(); UnionFindTree uft = new UnionFindTree(n * 7); ArrayList<ArrayList<Integer>> graph = new ArrayList<>(); int[] colors = new int[n]; for (int i = 0; i < n; i++) { char[] inputs = sc.next().toCharArray(); int prev = -10; for (int j = 0; j < 7; j++) { if (inputs[j] == '1') { if (prev == j - 1) { uft.unite(i * 7 + prev, i * 7 + j); } prev = j; colors[i] |= (1 << j); } if (inputs[0] == '1' && inputs[6] == '1') { uft.unite(i * 7, i * 7 + 6); } } graph.add(new ArrayList<>()); } for (int i = 0; i < m; i++) { int a = sc.nextInt() - 1; int b = sc.nextInt() - 1; int mask = (colors[a] & colors[b]); for (int j = 0; j < 7; j++) { if ((mask & (1 << j)) > 0) { 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 city = sc.nextInt() - 1; int add = sc.nextInt() - 1; for (int i = 0; i < 7; i++) { if ((colors[city] & (1 << i)) > 0 && (Math.abs(i - add) == 1 || Math.abs(i - add) == 6)) { uft.unite(city * 7 + i, city * 7 + add); } } colors[city] |= (1 << add); for (int x : graph.get(city)) { if ((colors[x] & (1 << add)) > 0) { uft.unite(city * 7 + add, x * 7 + add); } } } else { sb.append(uft.getCount((sc.nextInt() - 1) * 7)).append("\n"); sc.nextInt(); } } 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 (parents[x] == 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) { return; } parents[xx] = yy; counts[yy] += counts[xx]; } 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(); } }