結果
問題 | No.812 Change of Class |
ユーザー | kusomushi |
提出日時 | 2019-07-10 02:06:09 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 605 ms / 4,000 ms |
コード長 | 5,569 bytes |
コンパイル時間 | 2,819 ms |
コンパイル使用メモリ | 84,812 KB |
実行使用メモリ | 63,184 KB |
最終ジャッジ日時 | 2024-06-12 21:17:19 |
合計ジャッジ時間 | 25,975 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 421 ms
62,036 KB |
testcase_01 | AC | 234 ms
57,004 KB |
testcase_02 | AC | 318 ms
59,716 KB |
testcase_03 | AC | 441 ms
62,700 KB |
testcase_04 | AC | 419 ms
59,688 KB |
testcase_05 | AC | 590 ms
61,864 KB |
testcase_06 | AC | 576 ms
62,088 KB |
testcase_07 | AC | 103 ms
53,596 KB |
testcase_08 | AC | 97 ms
52,216 KB |
testcase_09 | AC | 605 ms
61,636 KB |
testcase_10 | AC | 588 ms
61,856 KB |
testcase_11 | AC | 232 ms
58,292 KB |
testcase_12 | AC | 444 ms
60,208 KB |
testcase_13 | AC | 96 ms
52,768 KB |
testcase_14 | AC | 97 ms
52,880 KB |
testcase_15 | AC | 507 ms
61,512 KB |
testcase_16 | AC | 201 ms
57,692 KB |
testcase_17 | AC | 466 ms
57,756 KB |
testcase_18 | AC | 401 ms
58,540 KB |
testcase_19 | AC | 411 ms
57,492 KB |
testcase_20 | AC | 601 ms
61,960 KB |
testcase_21 | AC | 402 ms
57,928 KB |
testcase_22 | AC | 282 ms
58,396 KB |
testcase_23 | AC | 188 ms
54,444 KB |
testcase_24 | AC | 208 ms
56,776 KB |
testcase_25 | AC | 265 ms
59,884 KB |
testcase_26 | AC | 501 ms
60,664 KB |
testcase_27 | AC | 527 ms
61,104 KB |
testcase_28 | AC | 402 ms
57,452 KB |
testcase_29 | AC | 228 ms
56,624 KB |
testcase_30 | AC | 527 ms
59,588 KB |
testcase_31 | AC | 450 ms
58,588 KB |
testcase_32 | AC | 309 ms
57,368 KB |
testcase_33 | AC | 509 ms
61,432 KB |
testcase_34 | AC | 208 ms
57,024 KB |
testcase_35 | AC | 255 ms
58,464 KB |
testcase_36 | AC | 209 ms
54,584 KB |
testcase_37 | AC | 353 ms
57,132 KB |
testcase_38 | AC | 192 ms
57,640 KB |
testcase_39 | AC | 366 ms
57,264 KB |
testcase_40 | AC | 226 ms
57,004 KB |
testcase_41 | AC | 179 ms
56,120 KB |
testcase_42 | AC | 514 ms
63,184 KB |
testcase_43 | AC | 264 ms
56,684 KB |
testcase_44 | AC | 427 ms
57,808 KB |
testcase_45 | AC | 205 ms
56,568 KB |
testcase_46 | AC | 261 ms
57,564 KB |
testcase_47 | AC | 447 ms
60,960 KB |
testcase_48 | AC | 435 ms
61,240 KB |
testcase_49 | AC | 269 ms
57,704 KB |
testcase_50 | AC | 117 ms
53,320 KB |
testcase_51 | AC | 262 ms
58,956 KB |
testcase_52 | AC | 333 ms
57,600 KB |
testcase_53 | AC | 234 ms
56,948 KB |
testcase_54 | AC | 230 ms
56,520 KB |
testcase_55 | AC | 360 ms
60,116 KB |
testcase_56 | AC | 411 ms
58,132 KB |
testcase_57 | AC | 422 ms
61,624 KB |
testcase_58 | AC | 315 ms
60,136 KB |
testcase_59 | AC | 447 ms
59,740 KB |
testcase_60 | AC | 82 ms
51,488 KB |
testcase_61 | AC | 86 ms
53,268 KB |
testcase_62 | AC | 88 ms
53,128 KB |
ソースコード
import java.io.*; import java.util.Arrays; import java.util.StringJoiner; import java.util.StringTokenizer; import java.util.function.Function; public class Main { static int N, M; static int[] U, V; static int Q; static int[] A; public static void main(String[] args) { FastScanner sc = new FastScanner(System.in); N = sc.nextInt(); M = sc.nextInt(); U = new int[M]; V = new int[M]; for (int i = 0; i < M; i++) { U[i] = sc.nextInt()-1; V[i] = sc.nextInt()-1; } Q = sc.nextInt(); A = sc.nextIntArray(Q, -1); PrintWriter pw = new PrintWriter(System.out); solve(pw); pw.flush(); } static void solve(PrintWriter pw) { int[][] G = adjB(N, U, V); int[] ans = new int[Q]; int[] q = new int[N]; int[] dist = new int[N]; for (int i = 0; i < Q; i++) { Arrays.fill(dist, Integer.MAX_VALUE); int u = 0, v = 0; q[v++] = A[i]; dist[A[i]] = 0; int maxDist = 0; int cnt = 0; while( u != v ) { int a = q[u++]; for (int b : G[a]) { if( dist[b] > dist[a] + 1 ) { dist[b] = dist[a] + 1; q[v++] = b; maxDist = Math.max(maxDist, dist[b]); cnt++; } } } int time; if( cnt == 0 ) { time = 0; } else if( maxDist <= 1 ) { time = 0; } else { time = log2(maxDist); } pw.println( cnt + " " + time); } } static int log2(int n) { int d = 2; int time = 1; while( d < n ) { time++; d*=2; } return time; } static int[][] adjB(int n, int[] from, int[] to) { int[][] adj = new int[n][]; int[] cnt = new int[n]; for (int f : from) { cnt[f]++; } for (int t : to) { cnt[t]++; } for (int i = 0; i < n; i++) { adj[i] = new int[cnt[i]]; } for (int i = 0; i < from.length; i++) { adj[from[i]][--cnt[from[i]]] = to[i]; adj[to[i]][--cnt[to[i]]] = from[i]; } return adj; } @SuppressWarnings("unused") static class FastScanner { private BufferedReader reader; private StringTokenizer tokenizer; FastScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); tokenizer = null; } String next() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } String nextLine() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { return reader.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken("\n"); } long nextLong() { return Long.parseLong(next()); } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } int[] nextIntArray(int n, int delta) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt() + delta; return a; } long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } } static <A> void writeLines(A[] as, Function<A, String> f) { PrintWriter pw = new PrintWriter(System.out); for (A a : as) { pw.println(f.apply(a)); } pw.flush(); } static void writeLines(int[] as) { PrintWriter pw = new PrintWriter(System.out); for (int a : as) pw.println(a); pw.flush(); } static void writeLines(long[] as) { PrintWriter pw = new PrintWriter(System.out); for (long a : as) pw.println(a); pw.flush(); } static int max(int... as) { int max = Integer.MIN_VALUE; for (int a : as) max = Math.max(a, max); return max; } static int min(int... as) { int min = Integer.MAX_VALUE; for (int a : as) min = Math.min(a, min); return min; } static void debug(Object... args) { StringJoiner j = new StringJoiner(" "); for (Object arg : args) { if (arg instanceof int[]) j.add(Arrays.toString((int[]) arg)); else if (arg instanceof long[]) j.add(Arrays.toString((long[]) arg)); else if (arg instanceof double[]) j.add(Arrays.toString((double[]) arg)); else if (arg instanceof Object[]) j.add(Arrays.toString((Object[]) arg)); else j.add(arg.toString()); } System.err.println(j.toString()); } }