結果
問題 | No.673 カブトムシ |
ユーザー |
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提出日時 | 2023-11-15 19:59:34 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 53 ms / 2,000 ms |
コード長 | 2,553 bytes |
コンパイル時間 | 3,318 ms |
コンパイル使用メモリ | 90,336 KB |
実行使用メモリ | 50,500 KB |
最終ジャッジ日時 | 2024-09-26 04:47:44 |
合計ジャッジ時間 | 4,406 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 14 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static final int MOD = 1000000007;public static void main(String[] args) throws Exception {Scanner sc = new Scanner();long bb = sc.nextLong() % MOD;long cc = sc.nextLong() % MOD;long d = sc.nextLong();long[][][] matrix = new long[60][2][2];matrix[0] = new long[][]{{cc, cc}, {0, 1}};for (int i = 1; i < 60; i++) {for (int a = 0; a < 2; a++) {for (int b = 0; b < 2; b++) {for (int c = 0; c < 2; 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[]{0, bb};for (int i = 59; i >= 0; i--) {if (d < (1L << i)) {continue;}d -= (1L << i);long[] next = new long[2];for (int a = 0; a < 2; a++) {for (int b = 0; b < 2; b++) {next[a] += matrix[i][a][b] * ans[b] % MOD;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();}}