結果
問題 | No.980 Fibonacci Convolution Hard |
ユーザー | QCFium |
提出日時 | 2020-01-31 22:32:29 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,829 ms / 2,000 ms |
コード長 | 3,052 bytes |
コンパイル時間 | 2,167 ms |
コンパイル使用メモリ | 180,308 KB |
実行使用メモリ | 193,428 KB |
最終ジャッジ日時 | 2024-10-05 23:29:18 |
合計ジャッジ時間 | 31,724 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 1,507 ms
193,284 KB |
testcase_01 | AC | 1,482 ms
193,300 KB |
testcase_02 | AC | 1,506 ms
193,168 KB |
testcase_03 | AC | 1,529 ms
193,428 KB |
testcase_04 | AC | 1,523 ms
193,300 KB |
testcase_05 | AC | 1,489 ms
193,300 KB |
testcase_06 | AC | 1,475 ms
193,168 KB |
testcase_07 | AC | 1,520 ms
193,336 KB |
testcase_08 | AC | 1,527 ms
193,428 KB |
testcase_09 | AC | 1,526 ms
193,304 KB |
testcase_10 | AC | 1,599 ms
193,296 KB |
testcase_11 | AC | 1,524 ms
193,248 KB |
testcase_12 | AC | 1,534 ms
193,428 KB |
testcase_13 | AC | 1,829 ms
193,300 KB |
testcase_14 | AC | 1,522 ms
193,172 KB |
testcase_15 | AC | 1,537 ms
193,216 KB |
testcase_16 | AC | 1,503 ms
193,304 KB |
ソースコード
#include <bits/stdc++.h> int ri() { int n; scanf("%d", &n); return n; } template<int mod, int proot> struct NTT { int get_mod() { return mod; } int pow(int a, int b) { int res = 1; for (; b; b >>= 1) { if (b & 1) res = (int64_t) res * a % mod; a = (int64_t) a * a % mod; } return res; } int inv(int i) { return pow(i, mod - 2); } void ntt(std::vector<int> &a, bool inverse) { int n = a.size(); assert((n & -n) == n); int h = pow(proot, (mod - 1) / n); if (inverse) h = inv(h); for (int i = 0, j = 1; j < n - 1; j++) { for (int k = n >> 1; k > (i ^= k); k >>= 1); if (j < i) std::swap(a[i], a[j]); } for (int i = 1; i < n; i <<= 1) { int base = pow(h, n / i / 2); int w = 1; std::vector<int> ws(i); for (int j = 0; j < i; j++) ws[j] = w, w = (int64_t) w * base % mod; for (int j = 0; j < n; j += i << 1) { for (int k = 0; k < i; k++) { int u = a[k + j]; int d = (int64_t) a[k + j + i] * ws[k] % mod; a[k + j] = u + d >= mod ? u + d - mod : u + d; a[k + j + i] = d > u ? u + mod - d : u - d; } } } if (inverse) { int ninv = inv(a.size()); for (auto &i : a) i = (int64_t) i * ninv % mod; } } std::vector<int> conv_same(const std::vector<int> a_) { std::vector<int> a = a_; size_t size = 1; for (; size < a_.size() + a_.size(); size <<= 1); a.resize(size); ntt(a, false); for (size_t i = 0; i < size; i++) a[i] = (int64_t) a[i] * a[i] % mod; ntt(a, true); a.resize(a_.size() + a_.size() - 1); return a; } }; template<int mod> int64_t inv(int64_t a) { a %= mod; int res = 1; for (int x = mod - 2; x; x >>= 1) { if (x & 1) res = (int64_t) res * a % mod; a = (int64_t) a * a % mod; } return res; } #define MOD 1000000007 // copied from https://math314.hateblo.jp/entry/2015/05/07/014908 std::vector<int64_t> conv_mod(std::vector<int> a){ NTT<935329793, 3> ntt1; NTT<943718401, 7> ntt2; NTT<998244353, 3> ntt3; auto x_ = ntt1.conv_same(a); auto y_ = ntt2.conv_same(a); auto z_ = ntt3.conv_same(a); std::vector<int64_t> x, y, z; for (auto i : x_) x.push_back(i); for (auto i : y_) y.push_back(i); for (auto i : z_) z.push_back(i); constexpr int64_t m1 = 935329793, m2 = 943718401, m3 = 998244353; const int64_t m1_inv_m2 = inv<m2>(m1); const int64_t m12_inv_m3 = inv<m3>(m1 * m2); const int64_t m12_mod = m1 * m2 % MOD; std::vector<int64_t> ret(x.size()); for (int i = 0; i < (int) x.size(); i++) { int64_t v1 = (y[i] - x[i]) * m1_inv_m2 % m2; if (v1 < 0) v1 += m2; int64_t v2 = (z[i] - (x[i] + m1 * v1) % m3) * m12_inv_m3 % m3; if (v2 < 0) v2 += m3; int64_t constants3 = (x[i] + m1 * v1 + m12_mod * v2) % MOD; if (constants3 < 0) constants3 += MOD; ret[i] = constants3; } return ret; } int main() { int p = ri(); std::vector<int> a(2000001); a[1] = 0; a[2] = 1; for (int i = 3; i <= 2000000; i++) a[i] = ((int64_t) a[i - 1] * p + a[i - 2]) % MOD; auto res = conv_mod(a); int q = ri(); for (int i = 0; i < q; i++) { printf("%d\n", (int) res[ri()]); } return 0; }