結果
問題 | No.408 五輪ピック |
ユーザー | Grenache |
提出日時 | 2016-08-06 01:40:30 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 917 ms / 5,000 ms |
コード長 | 2,534 bytes |
コンパイル時間 | 4,591 ms |
コンパイル使用メモリ | 79,884 KB |
実行使用メモリ | 59,520 KB |
最終ジャッジ日時 | 2024-11-07 01:54:21 |
合計ジャッジ時間 | 19,011 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 65 ms
37,476 KB |
testcase_01 | AC | 63 ms
37,468 KB |
testcase_02 | AC | 65 ms
37,596 KB |
testcase_03 | AC | 65 ms
37,804 KB |
testcase_04 | AC | 66 ms
37,748 KB |
testcase_05 | AC | 483 ms
54,296 KB |
testcase_06 | AC | 381 ms
49,568 KB |
testcase_07 | AC | 460 ms
49,572 KB |
testcase_08 | AC | 417 ms
50,764 KB |
testcase_09 | AC | 423 ms
48,256 KB |
testcase_10 | AC | 408 ms
50,272 KB |
testcase_11 | AC | 366 ms
48,844 KB |
testcase_12 | AC | 486 ms
53,388 KB |
testcase_13 | AC | 468 ms
53,224 KB |
testcase_14 | AC | 262 ms
48,396 KB |
testcase_15 | AC | 486 ms
54,680 KB |
testcase_16 | AC | 497 ms
53,916 KB |
testcase_17 | AC | 500 ms
53,468 KB |
testcase_18 | AC | 525 ms
50,616 KB |
testcase_19 | AC | 524 ms
51,124 KB |
testcase_20 | AC | 300 ms
49,676 KB |
testcase_21 | AC | 263 ms
47,196 KB |
testcase_22 | AC | 376 ms
49,540 KB |
testcase_23 | AC | 560 ms
54,876 KB |
testcase_24 | AC | 463 ms
52,532 KB |
testcase_25 | AC | 617 ms
59,116 KB |
testcase_26 | AC | 531 ms
51,796 KB |
testcase_27 | AC | 917 ms
59,520 KB |
testcase_28 | AC | 729 ms
58,232 KB |
testcase_29 | AC | 857 ms
58,168 KB |
testcase_30 | AC | 63 ms
37,376 KB |
testcase_31 | AC | 64 ms
36,984 KB |
ソースコード
import java.io.*; import java.util.*; public class Main_yukicoder408_1 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Printer pr = new Printer(System.out); int n = sc.nextInt(); int m = sc.nextInt(); List<List<Integer>> edges = new ArrayList<>(n); for (int i = 0; i < n; i++) { edges.add(new ArrayList<>()); } int[] a = new int[m]; int[] b = new int[m]; for (int i = 0; i < m; i++) { a[i] = sc.nextInt() - 1; b[i] = sc.nextInt() - 1; edges.get(a[i]).add(b[i]); edges.get(b[i]).add(a[i]); } List<List<Integer>> edges2 = new ArrayList<>(n); for (int i = 0; i < n; i++) { edges2.add(new ArrayList<>()); } for (int e : edges.get(0)) { for (int e2 : edges.get(e)) { if (e2 != 0) { edges2.get(e2).add(e); } } } for (int i = 0; i < m; i++) { if (a[i] == 0 || b[i] == 0) { continue; } for (int e : edges2.get(a[i])) { if (e == 0) { continue; } for (int e2 : edges2.get(b[i])) { if (e2 == 0) { continue; } if (e != e2 && e != b[i] && e2 != a[i]) { pr.println("YES"); pr.close(); sc.close(); return; } } } } pr.println("NO"); pr.close(); sc.close(); } @SuppressWarnings("unused") private static class Scanner { BufferedReader br; Iterator<String> it; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } String next() throws RuntimeException { try { if (it == null || !it.hasNext()) { // it = Arrays.asList(br.readLine().split(" ")).iterator(); it = Arrays.asList(br.readLine().split("\\p{javaWhitespace}+")).iterator(); } return it.next(); } catch (IOException e) { throw new IllegalStateException(); } } int nextInt() throws RuntimeException { return Integer.parseInt(next()); } long nextLong() throws RuntimeException { return Long.parseLong(next()); } float nextFloat() throws RuntimeException { return Float.parseFloat(next()); } double nextDouble() throws RuntimeException { return Double.parseDouble(next()); } void close() { try { br.close(); } catch (IOException e) { // throw new IllegalStateException(); } } } private static class Printer extends PrintWriter { Printer(PrintStream out) { super(out); } } }