結果

問題 No.1073 無限すごろく
ユーザー OlandOland
提出日時 2020-06-05 22:14:42
言語 Java
(openjdk 23)
結果
AC  
実行時間 59 ms / 2,000 ms
コード長 8,723 bytes
コンパイル時間 2,425 ms
コンパイル使用メモリ 79,536 KB
実行使用メモリ 52,376 KB
最終ジャッジ日時 2024-12-17 15:49:27
合計ジャッジ時間 5,412 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 30
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 #
プレゼンテーションモードにする

import java.io.*;
import java.math.BigDecimal;
import java.util.*;
@SuppressWarnings("unused")
public class Main {
FastScanner in;
PrintWriter out;
final static int MOD = (int)1e9+7;
void solve(){
long N = in.nextLong();
long m = 166666668;
long[] a = {0, 0, 0, 0, 0, 1};
long[][] b = {{0, 1, 0, 0, 0, 0},
{0, 0, 1, 0, 0, 0},
{0, 0, 0, 1, 0, 0},
{0, 0, 0, 0, 1, 0},
{0, 0, 0, 0, 0, 1},
{m, m, m, m, m, m}};
a = multiplyMatrix(powMatrix(b, N), a);
out.println(a[5]);
}
public long[][] powMatrix(long[][] a, long n){
if(n == 0){
int size = a.length;
long[][] e = new long[size][size];
for(int i = 0; i < size; i++){
for(int j = 0; j < size; j++){
if(i == j)
e[i][j] = 1;
else
e[i][j] = 0;
}
}
return e;
}
if(n % 2 == 0){
return powMatrix(multiplyMatrix(a, a), n / 2);
}else{
return multiplyMatrix(a, powMatrix(multiplyMatrix(a, a), (n - 1) / 2));
}
}
public long[] multiplyMatrix(long[][] a, long[] x){
int size = a.length;
long[] y = new long[size];
for(int i = 0; i < size; i++){
for(int j = 0; j < size; j++){
y[i] = ((y[i] + (a[i][j] * x[j]) % MOD) % MOD);
}
}
return y;
}
public long[][] multiplyMatrix(long[][] a, long[][] b){
int size = a.length;
long[][] c = new long[size][size];
for(int i = 0; i < size; i++){
for(int j = 0; j < size; j++){
for(int k = 0; k < size; k++){
c[i][j] = ((c[i][j] + (a[i][k] * b[k][j]) % MOD) % MOD);
}
}
}
return c;
}
public void printMatrix(long[] a){
int size = a.length;
for(int j = 0; j < size; j++){
System.out.println(a[j]);
}
}
public void printMatrix(long[][] a){
int size = a.length;
for(int i = 0; i < size; i++){
for(int j = 0; j < size; j++){
System.out.print(a[i][j]);
if(j == size-1)
System.out.println();
else
System.out.print(" ");
}
}
}
public static void main(String[] args) {
new Main().m();
}
private void m() {
in = new FastScanner(System.in);
out = new PrintWriter(System.out);
/*
try {
String path = "input.txt";
out = new PrintWriter(new BufferedWriter(new FileWriter(new File(path))));
}catch (IOException e){
e.printStackTrace();
}
*/
solve();
out.flush();
in.close();
out.close();
}
static class FastScanner {
private Reader input;
public FastScanner() {this(System.in);}
public FastScanner(InputStream stream) {this.input = new BufferedReader(new InputStreamReader(stream));}
public void close() {
try {
this.input.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public int nextInt() {
long nl = nextLong();
if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
return (int) nl;
}
public long nextLong() {
try {
int sign = 1;
int b = input.read();
while ((b < '0' || '9' < b) && b != '-' && b != '+') {
b = input.read();
}
if (b == '-') {
sign = -1;
b = input.read();
} else if (b == '+') {
b = input.read();
}
long ret = b - '0';
while (true) {
b = input.read();
if (b < '0' || '9' < b) return ret * sign;
ret *= 10;
ret += b - '0';
}
} catch (IOException e) {
e.printStackTrace();
return -1;
}
}
public double nextDouble() {
try {
double sign = 1;
int b = input.read();
while ((b < '0' || '9' < b) && b != '-' && b != '+') {
b = input.read();
}
if (b == '-') {
sign = -1;
b = input.read();
} else if (b == '+') {
b = input.read();
}
double ret = b - '0';
while (true) {
b = input.read();
if (b < '0' || '9' < b) break;
ret *= 10;
ret += b - '0';
}
if (b != '.') return sign * ret;
double div = 1;
b = input.read();
while ('0' <= b && b <= '9') {
ret *= 10;
ret += b - '0';
div *= 10;
b = input.read();
}
return sign * ret / div;
} catch (IOException e) {
e.printStackTrace();
return Double.NaN;
}
}
public char nextChar() {
try {
int b = input.read();
while (Character.isWhitespace(b)) {
b = input.read();
}
return (char) b;
} catch (IOException e) {
e.printStackTrace();
return 0;
}
}
public String nextStr() {
try {
StringBuilder sb = new StringBuilder();
int b = input.read();
while (Character.isWhitespace(b)) {
b = input.read();
}
while (b != -1 && !Character.isWhitespace(b)) {
sb.append((char) b);
b = input.read();
}
return sb.toString();
} catch (IOException e) {
e.printStackTrace();
return "";
}
}
public String nextLine() {
try {
StringBuilder sb = new StringBuilder();
int b = input.read();
while (b != -1 && b != '\n') {
sb.append((char) b);
b = input.read();
}
return sb.toString();
} catch (IOException e) {
e.printStackTrace();
return "";
}
}
public int[] nextIntArray(int n) {
int[] res = new int[n];
for (int i = 0; i < n; i++) {
res[i] = nextInt();
}
return res;
}
public int[] nextIntArrayDec(int n) {
int[] res = new int[n];
for (int i = 0; i < n; i++) {
res[i] = nextInt() - 1;
}
return res;
}
public int[] nextIntArray1Index(int n) {
int[] res = new int[n + 1];
for (int i = 0; i < n; i++) {
res[i + 1] = nextInt();
}
return res;
}
public long[] nextLongArray(int n) {
long[] res = new long[n];
for (int i = 0; i < n; i++) {
res[i] = nextLong();
}
return res;
}
public long[] nextLongArrayDec(int n) {
long[] res = new long[n];
for (int i = 0; i < n; i++) {
res[i] = nextLong() - 1;
}
return res;
}
public long[] nextLongArray1Index(int n) {
long[] res = new long[n + 1];
for (int i = 0; i < n; i++) {
res[i + 1] = nextLong();
}
return res;
}
public double[] nextDoubleArray(int n) {
double[] res = new double[n];
for (int i = 0; i < n; i++) {
res[i] = nextDouble();
}
return res;
}
}
}
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