結果

問題 No.194 フィボナッチ数列の理解(1)
ユーザー 👑 hos.lyrichos.lyric
提出日時 2019-01-10 16:30:07
言語 D
(dmd 2.106.1)
結果
AC  
実行時間 18 ms / 5,000 ms
コード長 3,129 bytes
コンパイル時間 649 ms
コンパイル使用メモリ 104,824 KB
実行使用メモリ 20,408 KB
最終ジャッジ日時 2023-09-03 21:55:25
合計ジャッジ時間 2,325 ms
ジャッジサーバーID
(参考情報)
judge14 / judge15
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 2 ms
4,380 KB
testcase_01 AC 2 ms
4,380 KB
testcase_02 AC 2 ms
4,376 KB
testcase_03 AC 1 ms
4,380 KB
testcase_04 AC 2 ms
4,376 KB
testcase_05 AC 2 ms
4,376 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 2 ms
4,376 KB
testcase_08 AC 1 ms
4,380 KB
testcase_09 AC 2 ms
4,376 KB
testcase_10 AC 2 ms
4,376 KB
testcase_11 AC 2 ms
4,376 KB
testcase_12 AC 2 ms
4,380 KB
testcase_13 AC 2 ms
4,376 KB
testcase_14 AC 2 ms
4,380 KB
testcase_15 AC 2 ms
4,380 KB
testcase_16 AC 2 ms
4,380 KB
testcase_17 AC 2 ms
4,376 KB
testcase_18 AC 3 ms
4,376 KB
testcase_19 AC 2 ms
4,376 KB
testcase_20 AC 17 ms
19,208 KB
testcase_21 AC 18 ms
20,340 KB
testcase_22 AC 17 ms
19,736 KB
testcase_23 AC 3 ms
4,376 KB
testcase_24 AC 10 ms
11,428 KB
testcase_25 AC 10 ms
10,056 KB
testcase_26 AC 9 ms
10,068 KB
testcase_27 AC 9 ms
12,604 KB
testcase_28 AC 4 ms
5,584 KB
testcase_29 AC 15 ms
20,408 KB
testcase_30 AC 3 ms
4,376 KB
testcase_31 AC 1 ms
4,380 KB
testcase_32 AC 2 ms
4,380 KB
testcase_33 AC 2 ms
4,376 KB
testcase_34 AC 2 ms
4,376 KB
testcase_35 AC 2 ms
4,380 KB
testcase_36 AC 2 ms
4,376 KB
testcase_37 AC 2 ms
4,376 KB
testcase_38 AC 2 ms
4,376 KB
testcase_39 AC 2 ms
4,376 KB
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ソースコード

diff #

import std.conv, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.container, std.math, std.range, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) throw new EOFException; tokens = readln.split; } auto token = tokens[0]; tokens.popFront; return token; }
int readInt() { return readToken().to!int; }
long readLong() { return readToken().to!long; }
real readReal() { return readToken().to!real; }

void chmin(T)(ref T t, in T f) { if (t > f) t = f; }
void chmax(T)(ref T t, in T f) { if (t < f) t = f; }

int binarySearch(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = cast(int)(as.length); for (; low + 1 < upp; ) { int mid = (low + upp) >> 1; (test(as[mid]) ? low : upp) = mid; } return upp; }
int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a < val)); }
int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a <= val)); }


immutable MO = 10L^^9 + 7;

long solve(long[] coef, long[] initial, long e) {
  debug {
    writefln("coef = %s", coef);
    writefln("initial = %s", initial);
    writefln("e = %s", e);
  }
  const n = cast(int)(coef.length) - 1;
  long[] multiply(long[] a, long[] b) {
    auto ret = new long[2 * n];
    foreach (i; 0 .. n) foreach (j; 0 .. n) {
      (ret[i + j] += a[i] * b[j]) %= MO;
    }
    foreach_reverse (i; n .. 2 * n) {
      foreach (k; 1 .. n + 1) {
        (ret[i - k] += coef[k] * ret[i]) %= MO;
      }
    }
    ret.length = n;
    return ret;
  }
  auto x = new long[n];
  auto y = new long[n];
  x[1] = 1;
  y[0] = 1;
  for (; e; e >>= 1) {
    if (e & 1) {
      y = multiply(y, x);
    }
    x = multiply(x, x);
  }
  long ret;
  foreach (i; 0 .. n) {
    (ret += y[i] * initial[i]) %= MO;
  }
  return ret;
}

int N;
long K;
long[] A;

void main() {
  try {
    for (; ; ) {
      N = readInt();
      K = readLong();
      A = new long[N];
      foreach (i; 0 .. N) {
        A[i] = readLong();
      }
      long ansF, ansS;
      if (N <= 10^^4 && K <= 10^^6) {
        auto f = new long[cast(int)(K + 1)];
        auto s = new long[cast(int)(K + 1)];
        foreach (i; 1 .. N + 1) {
          f[i] = A[i - 1];
          s[i] = (s[i - 1] + f[i]) % MO;
        }
        foreach (i; N + 1 .. cast(int)(K) + 1) {
          f[i] = (s[i - 1] - s[i - (N + 1)]) % MO;
          s[i] = (s[i - 1] + f[i]) % MO;
        }
        ansF = f[cast(int)(K)];
        ansS = s[cast(int)(K)];
      } else {
        {
          auto coef = new long[N + 1];
          coef[1 .. N + 1] = 1;
          ansF = solve(coef, A, K - 1);
        }
        {
          auto coef = new long[N + 2];
          coef[1] = 2;
          coef[N + 1] = -1;
          auto ASum = new long[N + 1];
          foreach (i; 0 .. N) {
            ASum[i + 1] = (ASum[i] + A[i]) % MO;
          }
          ansS = solve(coef, ASum, K);
        }
      }
      ansF = (ansF % MO + MO) % MO;
      ansS = (ansS % MO + MO) % MO;
      writeln(ansF, " ", ansS);
    }
  } catch (EOFException e) {
  }
}
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