結果
問題 | No.1266 7 Colors |
ユーザー | tenten |
提出日時 | 2022-08-16 12:45:04 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,047 ms / 3,000 ms |
コード長 | 3,815 bytes |
コンパイル時間 | 2,123 ms |
コンパイル使用メモリ | 78,876 KB |
実行使用メモリ | 96,704 KB |
最終ジャッジ日時 | 2024-10-03 04:16:27 |
合計ジャッジ時間 | 18,838 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 47 ms
37,352 KB |
testcase_01 | AC | 47 ms
37,076 KB |
testcase_02 | AC | 46 ms
36,592 KB |
testcase_03 | AC | 564 ms
59,600 KB |
testcase_04 | AC | 866 ms
71,500 KB |
testcase_05 | AC | 573 ms
58,908 KB |
testcase_06 | AC | 993 ms
90,396 KB |
testcase_07 | AC | 1,047 ms
92,448 KB |
testcase_08 | AC | 866 ms
87,284 KB |
testcase_09 | AC | 796 ms
68,900 KB |
testcase_10 | AC | 733 ms
80,140 KB |
testcase_11 | AC | 665 ms
60,992 KB |
testcase_12 | AC | 681 ms
74,252 KB |
testcase_13 | AC | 755 ms
78,784 KB |
testcase_14 | AC | 552 ms
59,844 KB |
testcase_15 | AC | 979 ms
93,484 KB |
testcase_16 | AC | 840 ms
77,448 KB |
testcase_17 | AC | 972 ms
91,860 KB |
testcase_18 | AC | 709 ms
91,260 KB |
testcase_19 | AC | 522 ms
81,536 KB |
testcase_20 | AC | 818 ms
96,704 KB |
testcase_21 | AC | 365 ms
52,732 KB |
ソースコード
import java.io.*; import java.util.*; 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(); char[][] colors = new char[n][]; ArrayList<ArrayList<Integer>> graph = new ArrayList<>(); UnionFindTree uft = new UnionFindTree(n * 7); for (int i = 0; i < n; i++) { colors[i] = sc.next().toCharArray(); for (int j = 0; j < 7; j++) { if (colors[i][j] == '1' && colors[i][(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; graph.get(a).add(b); graph.get(b).add(a); for (int j = 0; j < 7; j++) { if (colors[a][j] == '1' && colors[b][j] == '1') { uft.unite(a * 7 + j, b * 7 + j); } } } StringBuilder sb = new StringBuilder(); while (q-- > 0) { if (sc.nextInt() == 1) { int city = sc.nextInt() - 1; int color = sc.nextInt() - 1; colors[city][color] = '1'; if (colors[city][(color - 1 + 7) % 7] == '1') { uft.unite(city * 7 + color, city * 7 + (color - 1 + 7) % 7); } if (colors[city][(color + 1) % 7] == '1') { uft.unite(city * 7 + color, city * 7 + (color + 1) % 7); } for (int x : graph.get(city)) { if (colors[x][color] == '1') { uft.unite(city * 7 + color, x * 7 + color); } } } else { int city = sc.nextInt() - 1; sc.nextInt(); sb.append(uft.getCount(city * 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) { return; } parents[yy] = xx; counts[xx] += counts[yy]; } public int getCount(int x) { return counts[find(x)]; } } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); 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 String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }