結果
問題 | No.1750 ラムドスウイルスの感染拡大-hard |
ユーザー | tenten |
提出日時 | 2023-11-30 18:35:34 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 553 ms / 2,000 ms |
コード長 | 2,660 bytes |
コンパイル時間 | 2,882 ms |
コンパイル使用メモリ | 84,328 KB |
実行使用メモリ | 47,664 KB |
最終ジャッジ日時 | 2024-09-26 14:19:50 |
合計ジャッジ時間 | 14,101 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 51 ms
36,780 KB |
testcase_01 | AC | 52 ms
37,304 KB |
testcase_02 | AC | 51 ms
36,956 KB |
testcase_03 | AC | 52 ms
37,196 KB |
testcase_04 | AC | 187 ms
41,360 KB |
testcase_05 | AC | 51 ms
37,172 KB |
testcase_06 | AC | 50 ms
37,116 KB |
testcase_07 | AC | 48 ms
37,180 KB |
testcase_08 | AC | 517 ms
47,524 KB |
testcase_09 | AC | 509 ms
47,408 KB |
testcase_10 | AC | 529 ms
47,436 KB |
testcase_11 | AC | 518 ms
47,604 KB |
testcase_12 | AC | 523 ms
47,424 KB |
testcase_13 | AC | 528 ms
47,664 KB |
testcase_14 | AC | 536 ms
47,500 KB |
testcase_15 | AC | 553 ms
47,464 KB |
testcase_16 | AC | 527 ms
47,424 KB |
testcase_17 | AC | 513 ms
47,308 KB |
testcase_18 | AC | 516 ms
47,472 KB |
testcase_19 | AC | 499 ms
47,376 KB |
testcase_20 | AC | 396 ms
47,424 KB |
testcase_21 | AC | 423 ms
47,428 KB |
testcase_22 | AC | 183 ms
41,468 KB |
testcase_23 | AC | 468 ms
47,544 KB |
testcase_24 | AC | 155 ms
40,800 KB |
testcase_25 | AC | 218 ms
41,972 KB |
testcase_26 | AC | 146 ms
40,832 KB |
testcase_27 | AC | 55 ms
37,304 KB |
testcase_28 | AC | 83 ms
38,564 KB |
testcase_29 | AC | 54 ms
37,068 KB |
testcase_30 | AC | 175 ms
41,552 KB |
testcase_31 | AC | 171 ms
41,632 KB |
testcase_32 | AC | 173 ms
41,300 KB |
testcase_33 | AC | 165 ms
41,552 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static final int MOD = 998244353; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int m = sc.nextInt(); long t = sc.nextLong(); long[][][] matrix = new long[60][n][n]; while (m-- > 0) { int a = sc.nextInt(); int b = sc.nextInt(); matrix[0][a][b] = 1; matrix[0][b][a] = 1; } for (int i = 1; i < 60; i++) { for (int a = 0; a < n; a++) { for (int b = 0; b < n; b++) { for (int c = 0; c < n; c++) { matrix[i][a][c] += matrix[i - 1][a][b] * matrix[i - 1][b][c] % MOD; matrix[i][a][c] %= MOD; } } } } long[] ans = new long[n]; ans[0] = 1; for (int i = 59; i >= 0; i--) { if (t < (1L << i)) { continue; } t -= (1L << i); long[] next = new long[n]; for (int a = 0; a < n; a++) { for (int b = 0; b < n; b++) { next[a] += matrix[i][a][b] * ans[b]; next[a] %= MOD; } } ans = next; } System.out.println(ans[0]); } } 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(); } }