結果

問題 No.1136 Four Points Tour
ユーザー tentententen
提出日時 2023-08-01 18:00:42
言語 Java21
(openjdk 21)
結果
AC  
実行時間 59 ms / 2,000 ms
コード長 2,513 bytes
コンパイル時間 2,744 ms
コンパイル使用メモリ 83,868 KB
実行使用メモリ 37,168 KB
最終ジャッジ日時 2024-04-19 17:13:05
合計ジャッジ時間 6,283 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge2
このコードへのチャレンジ
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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 54 ms
36,596 KB
testcase_01 AC 59 ms
37,152 KB
testcase_02 AC 53 ms
36,720 KB
testcase_03 AC 52 ms
36,588 KB
testcase_04 AC 52 ms
36,864 KB
testcase_05 AC 51 ms
36,572 KB
testcase_06 AC 50 ms
36,592 KB
testcase_07 AC 51 ms
36,588 KB
testcase_08 AC 53 ms
36,928 KB
testcase_09 AC 53 ms
36,708 KB
testcase_10 AC 54 ms
36,800 KB
testcase_11 AC 53 ms
36,884 KB
testcase_12 AC 51 ms
37,168 KB
testcase_13 AC 54 ms
36,860 KB
testcase_14 AC 58 ms
36,836 KB
testcase_15 AC 59 ms
37,008 KB
testcase_16 AC 53 ms
37,168 KB
testcase_17 AC 51 ms
36,968 KB
testcase_18 AC 51 ms
37,028 KB
testcase_19 AC 51 ms
37,104 KB
testcase_20 AC 52 ms
36,844 KB
testcase_21 AC 49 ms
36,840 KB
01_Sample03_evil.txt AC 48 ms
37,056 KB
04_Rnd_large_evil1.txt AC 52 ms
37,112 KB
04_Rnd_large_evil2.txt AC 50 ms
36,968 KB
04_Rnd_large_evil3.txt AC 55 ms
37,120 KB
04_Rnd_large_evil4.txt AC 51 ms
36,832 KB
04_Rnd_large_evil5.txt AC 50 ms
36,924 KB
04_Rnd_large_evil6.txt AC 52 ms
37,008 KB
04_Rnd_large_evil7.txt AC 54 ms
37,152 KB
04_Rnd_large_evil8.txt AC 56 ms
37,028 KB
04_Rnd_large_evil9.txt AC 49 ms
36,796 KB
04_Rnd_large_evil10.txt AC 48 ms
36,680 KB
05_Rnd_huge_evil1.txt AC 50 ms
37,064 KB
05_Rnd_huge_evil2.txt AC 50 ms
36,804 KB
05_Rnd_huge_evil3.txt AC 57 ms
36,592 KB
05_Rnd_huge_evil4.txt AC 57 ms
37,012 KB
05_Rnd_huge_evil5.txt AC 50 ms
36,460 KB
05_Rnd_huge_evil6.txt AC 50 ms
36,592 KB
05_Rnd_huge_evil7.txt AC 47 ms
36,820 KB
99_evil_01.txt AC 59 ms
36,712 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.*;
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 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];
                        matrix[i][a][c] %= MOD;
                    }
                }
            }
        }
        long[] ans = new long[]{1, 0, 0, 0};
        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] += 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();
    }
    
}
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