結果

問題 No.1136 Four Points Tour
ユーザー tentententen
提出日時 2022-10-04 15:46:30
言語 Java21
(openjdk 21)
結果
AC  
実行時間 41 ms / 2,000 ms
コード長 2,015 bytes
コンパイル時間 3,068 ms
コンパイル使用メモリ 74,792 KB
実行使用メモリ 49,668 KB
最終ジャッジ日時 2023-08-28 17:54:19
合計ジャッジ時間 6,070 ms
ジャッジサーバーID
(参考情報)
judge13 / judge12
このコードへのチャレンジ
(要ログイン)

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 40 ms
49,668 KB
testcase_01 AC 39 ms
49,496 KB
testcase_02 AC 39 ms
49,600 KB
testcase_03 AC 39 ms
49,364 KB
testcase_04 AC 41 ms
49,440 KB
testcase_05 AC 40 ms
49,516 KB
testcase_06 AC 40 ms
49,432 KB
testcase_07 AC 39 ms
49,504 KB
testcase_08 AC 39 ms
49,560 KB
testcase_09 AC 40 ms
49,380 KB
testcase_10 AC 39 ms
49,436 KB
testcase_11 AC 39 ms
49,392 KB
testcase_12 AC 40 ms
49,452 KB
testcase_13 AC 39 ms
49,652 KB
testcase_14 AC 40 ms
49,352 KB
testcase_15 AC 40 ms
49,464 KB
testcase_16 AC 40 ms
49,436 KB
testcase_17 AC 39 ms
49,416 KB
testcase_18 AC 39 ms
49,444 KB
testcase_19 AC 39 ms
49,428 KB
testcase_20 AC 40 ms
49,500 KB
testcase_21 AC 39 ms
49,412 KB
01_Sample03_evil.txt AC 40 ms
49,460 KB
04_Rnd_large_evil1.txt AC 39 ms
49,376 KB
04_Rnd_large_evil2.txt AC 39 ms
49,652 KB
04_Rnd_large_evil3.txt AC 40 ms
49,508 KB
04_Rnd_large_evil4.txt AC 39 ms
49,464 KB
04_Rnd_large_evil5.txt AC 39 ms
49,516 KB
04_Rnd_large_evil6.txt AC 39 ms
49,520 KB
04_Rnd_large_evil7.txt AC 40 ms
49,516 KB
04_Rnd_large_evil8.txt AC 40 ms
49,424 KB
04_Rnd_large_evil9.txt AC 39 ms
49,420 KB
04_Rnd_large_evil10.txt AC 40 ms
49,668 KB
05_Rnd_huge_evil1.txt AC 40 ms
49,488 KB
05_Rnd_huge_evil2.txt AC 40 ms
49,372 KB
05_Rnd_huge_evil3.txt AC 39 ms
49,516 KB
05_Rnd_huge_evil4.txt AC 39 ms
49,388 KB
05_Rnd_huge_evil5.txt AC 41 ms
49,540 KB
05_Rnd_huge_evil6.txt AC 41 ms
49,488 KB
05_Rnd_huge_evil7.txt AC 40 ms
49,424 KB
99_evil_01.txt AC 39 ms
49,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import java.io.*;
import java.util.*;

public class Main {
    static final int MOD = 1000000007;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        long n = sc.nextLong();
        long[][][] matrix = new long[60][4][4];
        matrix[0] = new long[][]{{0, 1, 1, 1}, {1, 0, 1, 1}, {1, 1, 0, 1}, {1, 1, 1, 0}};
        for (int i = 1; i < 60; i++) {
            for (int a = 0; a < 4; a++) {
                for (int b = 0; b < 4; b++) {
                    for (int c = 0; c < 4; 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[4];
        ans[0] = 1;
        for (int i = 59; i >= 0; i--) {
            if (n < (1L << i)) {
                continue;
            }
            n -= (1L << i);
            long[] next = new long[4];
            for (int a = 0; a < 4; a++) {
                for (int b = 0; b < 4; b++) {
                    next[a] += ans[b] * matrix[i][a][b] % MOD;
                    next[a] %= MOD;
                }
            }
            ans = next;
        }
        System.out.println(ans[0]);
    }
}
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 String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}
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