結果
問題 | No.812 Change of Class |
ユーザー | kusomushi |
提出日時 | 2019-07-10 02:06:08 |
言語 | Java19 (openjdk 21) |
結果 |
AC
|
実行時間 | 589 ms / 4,000 ms |
コード長 | 5,569 bytes |
コンパイル時間 | 4,980 ms |
コンパイル使用メモリ | 77,544 KB |
実行使用メモリ | 65,404 KB |
最終ジャッジ日時 | 2023-09-03 15:34:37 |
合計ジャッジ時間 | 28,238 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge13 |
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 | 398 ms
63,376 KB |
testcase_01 | AC | 208 ms
58,088 KB |
testcase_02 | AC | 305 ms
60,120 KB |
testcase_03 | AC | 429 ms
60,860 KB |
testcase_04 | AC | 408 ms
63,184 KB |
testcase_05 | AC | 556 ms
61,148 KB |
testcase_06 | AC | 580 ms
63,016 KB |
testcase_07 | AC | 91 ms
53,604 KB |
testcase_08 | AC | 91 ms
54,172 KB |
testcase_09 | AC | 564 ms
62,708 KB |
testcase_10 | AC | 567 ms
63,360 KB |
testcase_11 | AC | 211 ms
59,600 KB |
testcase_12 | AC | 491 ms
61,192 KB |
testcase_13 | AC | 86 ms
52,684 KB |
testcase_14 | AC | 89 ms
52,516 KB |
testcase_15 | AC | 537 ms
62,224 KB |
testcase_16 | AC | 185 ms
55,472 KB |
testcase_17 | AC | 446 ms
57,636 KB |
testcase_18 | AC | 375 ms
57,688 KB |
testcase_19 | AC | 409 ms
60,832 KB |
testcase_20 | AC | 514 ms
62,204 KB |
testcase_21 | AC | 364 ms
58,448 KB |
testcase_22 | AC | 271 ms
60,356 KB |
testcase_23 | AC | 189 ms
55,124 KB |
testcase_24 | AC | 198 ms
58,108 KB |
testcase_25 | AC | 254 ms
58,844 KB |
testcase_26 | AC | 589 ms
62,424 KB |
testcase_27 | AC | 492 ms
61,236 KB |
testcase_28 | AC | 400 ms
61,132 KB |
testcase_29 | AC | 233 ms
58,432 KB |
testcase_30 | AC | 473 ms
61,352 KB |
testcase_31 | AC | 434 ms
61,004 KB |
testcase_32 | AC | 294 ms
58,468 KB |
testcase_33 | AC | 475 ms
61,956 KB |
testcase_34 | AC | 205 ms
57,932 KB |
testcase_35 | AC | 245 ms
59,952 KB |
testcase_36 | AC | 197 ms
57,464 KB |
testcase_37 | AC | 337 ms
60,736 KB |
testcase_38 | AC | 171 ms
56,392 KB |
testcase_39 | AC | 346 ms
60,232 KB |
testcase_40 | AC | 226 ms
57,716 KB |
testcase_41 | AC | 162 ms
56,392 KB |
testcase_42 | AC | 557 ms
62,268 KB |
testcase_43 | AC | 260 ms
59,296 KB |
testcase_44 | AC | 378 ms
57,992 KB |
testcase_45 | AC | 194 ms
57,684 KB |
testcase_46 | AC | 245 ms
59,628 KB |
testcase_47 | AC | 400 ms
61,060 KB |
testcase_48 | AC | 404 ms
61,524 KB |
testcase_49 | AC | 247 ms
60,592 KB |
testcase_50 | AC | 106 ms
52,708 KB |
testcase_51 | AC | 246 ms
60,608 KB |
testcase_52 | AC | 312 ms
58,196 KB |
testcase_53 | AC | 219 ms
57,256 KB |
testcase_54 | AC | 213 ms
58,392 KB |
testcase_55 | AC | 373 ms
62,900 KB |
testcase_56 | AC | 391 ms
60,764 KB |
testcase_57 | AC | 423 ms
61,880 KB |
testcase_58 | AC | 301 ms
60,356 KB |
testcase_59 | AC | 416 ms
65,404 KB |
testcase_60 | AC | 81 ms
50,896 KB |
testcase_61 | AC | 81 ms
52,500 KB |
testcase_62 | AC | 74 ms
51,264 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()); } }