結果
問題 | No.2660 Sweep Cards (Easy) |
ユーザー | risujiroh |
提出日時 | 2024-03-02 03:42:22 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 312 ms / 4,000 ms |
コード長 | 5,263 bytes |
コンパイル時間 | 2,720 ms |
コンパイル使用メモリ | 262,256 KB |
実行使用メモリ | 120,468 KB |
最終ジャッジ日時 | 2024-09-29 15:48:57 |
合計ジャッジ時間 | 11,284 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 109 ms
81,324 KB |
testcase_01 | AC | 105 ms
81,388 KB |
testcase_02 | AC | 102 ms
81,336 KB |
testcase_03 | AC | 104 ms
81,304 KB |
testcase_04 | AC | 101 ms
81,276 KB |
testcase_05 | AC | 104 ms
81,308 KB |
testcase_06 | AC | 100 ms
81,300 KB |
testcase_07 | AC | 98 ms
81,348 KB |
testcase_08 | AC | 101 ms
81,312 KB |
testcase_09 | AC | 109 ms
81,388 KB |
testcase_10 | AC | 101 ms
81,324 KB |
testcase_11 | AC | 100 ms
81,368 KB |
testcase_12 | AC | 100 ms
81,336 KB |
testcase_13 | AC | 101 ms
81,360 KB |
testcase_14 | AC | 102 ms
81,320 KB |
testcase_15 | AC | 99 ms
81,380 KB |
testcase_16 | AC | 101 ms
81,468 KB |
testcase_17 | AC | 108 ms
81,500 KB |
testcase_18 | AC | 123 ms
82,388 KB |
testcase_19 | AC | 126 ms
84,184 KB |
testcase_20 | AC | 173 ms
94,108 KB |
testcase_21 | AC | 223 ms
103,824 KB |
testcase_22 | AC | 307 ms
120,276 KB |
testcase_23 | AC | 302 ms
120,316 KB |
testcase_24 | AC | 306 ms
120,288 KB |
testcase_25 | AC | 307 ms
120,344 KB |
testcase_26 | AC | 302 ms
120,460 KB |
testcase_27 | AC | 303 ms
120,464 KB |
testcase_28 | AC | 311 ms
120,284 KB |
testcase_29 | AC | 307 ms
120,372 KB |
testcase_30 | AC | 306 ms
120,364 KB |
testcase_31 | AC | 312 ms
120,468 KB |
testcase_32 | AC | 311 ms
120,452 KB |
testcase_33 | AC | 295 ms
120,428 KB |
testcase_34 | AC | 296 ms
120,292 KB |
ソースコード
#if __INCLUDE_LEVEL__ == 0 #include __BASE_FILE__ namespace { using mint = atcoder::modint1000000007; Comb<mint> comb(1e7); void solve() { int n, k, q; scan(n, k, q); std::vector<mint> f(n); f[0] = 1; for (const int i : rep(1, n)) { f[i] = f[i - 1] * (n * 2); if (2 <= i) { f[i] += f[i - 2] * (i - 2); } f[i] *= comb.recip(i); } while (q--) { int m; scan(m); const mint ans = f[n - m] * m * comb.recip(n); print(ans); } } } // namespace int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cout << std::setprecision(DBL_DECIMAL_DIG); solve(); } #else // __INCLUDE_LEVEL__ #include <bits/stdc++.h> #include <atcoder/modint> template <class T> std::vector<T> make_vector_for_overwrite(int n) { static_assert(std::is_trivially_destructible_v<T>); std::vector<T> v; static_assert(sizeof(v) == 3 * sizeof(T*)); v.reserve(n); T*(&a)[3] = reinterpret_cast<T*(&)[3]>(v); assert(a[0] == a[1] && a[1] + n == a[2]); a[1] = a[2]; return v; } template <class T> class Comb { public: Comb() = default; explicit Comb(int max_n) : fact_(make_vector_for_overwrite<T>(max_n + 1)), recip_fact_(make_vector_for_overwrite<T>(max_n + 1)) { fact_[0] = 1; for (const int n : std::views::iota(1, max_n + 1)) { fact_[n] = fact_[n - 1] * n; } recip_fact_[max_n] = 1 / fact_[max_n]; for (const int n : std::views::iota(1, max_n + 1) | std::views::reverse) { recip_fact_[n - 1] = n * recip_fact_[n]; } } T recip(int n) const { assert(n); return n < 0 ? -recip(-n) : recip_fact_[n] * fact_[n - 1]; } T fact(int n) const { assert(0 <= n); return fact_[n]; } T recip_fact(int n) const { return n < 0 ? 0 : recip_fact_[n]; } T falling_fact(int n, int k) const { assert(0 <= n || n < k); if (n < 0) { const T t = falling_fact(k - n - 1, k); return k & 1 ? -t : t; } return n < k ? 0 : recip_fact(n - k) * fact(n); } T recip_falling_fact(int n, int k) const { assert(n < 0 || k <= n); return falling_fact(n - k, -k); } T rising_fact(int n, int k) const { assert(n <= 0 || 0 < n + k); return falling_fact(n + k - 1, k); } T recip_rising_fact(int n, int k) const { assert(0 < n || n + k <= 0); return falling_fact(n - 1, -k); } T binom(int n, int k) const { if ((n < 0) ^ (k < 0) ^ (n < k)) { return 0; } if (n < 0 && k < 0) { k = n - k; } return recip_fact(k) * falling_fact(n, k); } T recip_binom(int n, int k) const { assert((0 <= n) ^ (0 <= k) ^ (k <= n)); k = std::max(k, n - k); return recip_falling_fact(n, k) * fact(k); } T multiset(int n, int k) const { return binom(n + k - 1, k); } T recip_multiset(int n, int k) const { assert((0 < n) ^ (0 <= k) ^ (0 < n + k)); return recip_binom(n + k - 1, k); } private: std::vector<T> fact_; std::vector<T> recip_fact_; }; template <class T, class U = T> bool chmin(T& x, U&& y) { return y < x && (x = std::forward<U>(y), true); } template <class T, class U = T> bool chmax(T& x, U&& y) { return x < y && (x = std::forward<U>(y), true); } template <std::signed_integral T = int> T inf() { T ret; std::memset(&ret, 0x3f, sizeof(ret)); return ret; } template <std::floating_point T> T inf() { return std::numeric_limits<T>::infinity(); } template <class T> concept Range = std::ranges::range<T> && !std::convertible_to<T, std::string_view>; template <class T> concept Tuple = std::__is_tuple_like<T>::value && !Range<T>; namespace std { istream& operator>>(istream& is, Range auto&& r) { for (auto&& e : r) { is >> e; } return is; } istream& operator>>(istream& is, Tuple auto&& t) { return apply([&](auto&... xs) -> istream& { return (is >> ... >> xs); }, t); } ostream& operator<<(ostream& os, Range auto&& r) { for (string_view sep = ""; auto&& e : r) { os << exchange(sep, " ") << e; } return os; } ostream& operator<<(ostream& os, Tuple auto&& t) { const auto f = [&](auto&... xs) -> ostream& { [[maybe_unused]] string_view sep = ""; ((os << exchange(sep, " ") << xs), ...); return os; }; return apply(f, t); } template <class T, atcoder::internal::is_modint_t<T>* = nullptr> istream& operator>>(istream& is, T& x) { int v; is >> v; x = T::raw(v); return is; } template <class T, atcoder::internal::is_modint_t<T>* = nullptr> ostream& operator<<(ostream& os, const T& x) { return os << x.val(); } } // namespace std void scan(auto&&... xs) { std::cin >> std::tie(xs...); } void print(auto&&... xs) { std::cout << std::tie(xs...) << '\n'; } template <class F> class fix { public: explicit fix(F f) : f_(std::move(f)) {} decltype(auto) operator()(auto&&... xs) const { return f_(std::ref(*this), std::forward<decltype(xs)>(xs)...); } private: F f_; }; inline auto rep(int l, int r) { return std::views::iota(std::min(l, r), r); } inline auto rep(int n) { return rep(0, n); } inline auto rep1(int l, int r) { return rep(l, r + 1); } inline auto rep1(int n) { return rep(1, n + 1); } namespace ranges = std::ranges; namespace views = std::views; using i64 = std::int64_t; #endif // __INCLUDE_LEVEL__