結果
問題 | No.793 うし数列 2 |
ユーザー |
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提出日時 | 2019-07-17 22:07:18 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 56 ms / 2,000 ms |
コード長 | 5,170 bytes |
コンパイル時間 | 2,607 ms |
コンパイル使用メモリ | 78,520 KB |
実行使用メモリ | 37,056 KB |
最終ジャッジ日時 | 2024-12-23 11:22:03 |
合計ジャッジ時間 | 4,984 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 21 |
ソースコード
import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.util.Arrays;import java.util.InputMismatchException;import java.util.NoSuchElementException;public class Main {static PrintWriter out;static InputReader ir;static void solve() {long n = ir.nextLong();long[] dp = new long[61];dp[0] = 3;for (int i = 0; i < 60; i++) {dp[i + 1] = add(dp[i], mul(dp[i], modpow(10, 1L << i)));}long res = 0;long tmp = n;for (int i = 0; n != 0; i++, n >>= 1) {if (n % 2 == 1) {res = add(mul(res, modpow(10, 1L << i)), dp[i]);}}out.println(add(res, modpow(10, tmp)));}static long mod = (long) 1e9 + 7;static long add(long a, long b) {return (a + b) % mod;}static long sub(long a, long b) {long d = a - b;while (d < 0)d += mod;return d;}static long mul(long a, long b) {a %= mod;b %= mod;return a * b % mod;}static long div(long a, long b) {return a * mod_inverse(b) % mod;}public static long[] fact(int n) {long[] ret = new long[n + 1];ret[0] = 1 % mod;for (int i = 1; i <= n; i++) {ret[i] = mul(ret[i - 1], i);}return ret;}private static long[] factInv(int n) {long[] ret = new long[n + 1];ret[0] = 1;for (int i = 1; i <= n; i++) {ret[i] = div(ret[i - 1], i);}return ret;}public static long comb(int n, int m, long[] fact, long[] factInv) {long ret = fact[n];ret = mul(ret, factInv[m]);ret = mul(ret, factInv[n - m]);return ret;}public static long[][] stirling(int n) {long[][] ret = new long[n + 1][n + 1];ret[0][0] = 1;for (int i = 1; i <= n; i++)for (int j = 1; j <= i; j++)ret[i][j] = add(ret[i - 1][j - 1], mul(ret[i - 1][j], j));return ret;}public static long mod_inverse(long a) {long[] ret = extgcd(a, mod);return add(mod, ret[0] % mod);}private static long[] extgcd(long a, long b) {long[] ret = new long[3];ret[2] = _extgcd(a, b, ret);return ret;}private static long _extgcd(long a, long b, long[] x) {long g = a;x[0] = 1;x[1] = 0;if (b != 0) {g = _extgcd(b, a % b, x);long temp = x[0];x[0] = x[1];x[1] = temp;x[1] -= (a / b) * x[0];}return g;}static long modpow(long a, long n) {long res = 1;while (n > 0) {if ((n & 1) != 0)res = res * a % mod;a = a * a % mod;n >>= 1;}return res;}public static void main(String[] args) {ir = new InputReader(System.in);out = new PrintWriter(System.out);solve();out.flush();}static class InputReader {private InputStream in;private byte[] buffer = new byte[1024];private int curbuf;private int lenbuf;public InputReader(InputStream in) {this.in = in;this.curbuf = this.lenbuf = 0;}public boolean hasNextByte() {if (curbuf >= lenbuf) {curbuf = 0;try {lenbuf = in.read(buffer);} catch (IOException e) {throw new InputMismatchException();}if (lenbuf <= 0)return false;}return true;}private int readByte() {if (hasNextByte())return buffer[curbuf++];elsereturn -1;}private boolean isSpaceChar(int c) {return !(c >= 33 && c <= 126);}private void skip() {while (hasNextByte() && isSpaceChar(buffer[curbuf]))curbuf++;}public boolean hasNext() {skip();return hasNextByte();}public String next() {if (!hasNext())throw new NoSuchElementException();StringBuilder sb = new StringBuilder();int b = readByte();while (!isSpaceChar(b)) {sb.appendCodePoint(b);b = readByte();}return sb.toString();}public int nextInt() {if (!hasNext())throw new NoSuchElementException();int c = readByte();while (isSpaceChar(c))c = readByte();boolean minus = false;if (c == '-') {minus = true;c = readByte();}int res = 0;do {if (c < '0' || c > '9')throw new InputMismatchException();res = res * 10 + c - '0';c = readByte();} while (!isSpaceChar(c));return (minus) ? -res : res;}public long nextLong() {if (!hasNext())throw new NoSuchElementException();int c = readByte();while (isSpaceChar(c))c = readByte();boolean minus = false;if (c == '-') {minus = true;c = readByte();}long res = 0;do {if (c < '0' || c > '9')throw new InputMismatchException();res = res * 10 + c - '0';c = readByte();} while (!isSpaceChar(c));return (minus) ? -res : res;}public double nextDouble() {return Double.parseDouble(next());}public int[] nextIntArray(int n) {int[] a = new int[n];for (int i = 0; i < n; i++)a[i] = nextInt();return a;}public long[] nextLongArray(int n) {long[] a = new long[n];for (int i = 0; i < n; i++)a[i] = nextLong();return a;}public char[][] nextCharMap(int n, int m) {char[][] map = new char[n][m];for (int i = 0; i < n; i++)map[i] = next().toCharArray();return map;}}static void tr(Object... o) {out.println(Arrays.deepToString(o));}}