結果
問題 | No.986 Present |
ユーザー | ngtkana |
提出日時 | 2020-02-11 15:29:07 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,167 bytes |
コンパイル時間 | 1,610 ms |
コンパイル使用メモリ | 173,504 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-10-01 07:57:48 |
合計ジャッジ時間 | 2,605 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
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
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 3 ms
6,820 KB |
testcase_29 | AC | 2 ms
6,820 KB |
testcase_30 | AC | 2 ms
6,820 KB |
testcase_31 | AC | 3 ms
6,824 KB |
testcase_32 | AC | 3 ms
6,820 KB |
ソースコード
#define DEBUG 1 #include <bits/stdc++.h> #define loop(n) for (lint ngtkana_is_a_genius = 0; ngtkana_is_a_genius < lint(n); ngtkana_is_a_genius++) #define rep(i, begin, end) for (lint i = lint(begin); (i) < lint(end); i++) #define all(v) v.begin(), v.end() #define rand(l, r) std::uniform_int_distribution<>(l, r)(mt) using lint = long long; auto mt = std::mt19937_64(std::random_device{}()); auto cmn = [](auto&& pow2, auto b){ if (pow2 > b) {pow2 = b; return true;} return false; }; auto cmx = [](auto&& pow2, auto b){ if (pow2 < b) {pow2 = b; return true;} return false; }; void debug_impl() { std::cerr << std::endl; } template <typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head; debug_impl(tail...); } #if DEBUG #define debug(...)\ do {\ std::cerr << std::boolalpha << "[" << #__VA_ARGS__ << "]:";\ debug_impl(__VA_ARGS__);\ std::cerr << std::noboolalpha;\ } while (false) #else #define debug(...) {} #endif template <typename T> T inverse(T pow2, T m) { T u = 0, v = 1; while (pow2 != 0) { T t = m / pow2; m -= t * pow2; std::swap(pow2, m); u -= t * v; std::swap(u, v); } assert(m == 1); return u; } template <typename T> class modular { private: int value; public: constexpr modular() = default; constexpr modular(const modular&) = default; constexpr modular(modular&&) = default; modular& operator=(const modular&) = default; modular& operator=(modular&&) = default; template <typename U> modular (const U& x) {value = normalize(x);} template <typename U> static auto normalize(const U& x) { int v = static_cast<int>(-mod() <= x && x < mod() ? x : x % mod()); if (v < 0) v += mod(); return v; } auto const& operator()() const { return value; } template <typename U> explicit operator U() const { return static_cast<U>(value); } constexpr static auto mod() { return T::value; } auto& operator+=(const modular& other) { if ((value += other.value) >= mod()) value -= mod(); return *this; } auto& operator-=(const modular& other) { if ((value -= other.value) < 0) value += mod(); return *this; } template <typename U> auto& operator+=(const U& other) {return *this += modular(other); } template <typename U> auto& operator-=(const U& other) {return *this -= modular(other); } auto operator-() const { return modular(-value); } auto& operator++() {return *this += 1;} auto& operator--() {return *this -= 1;} auto operator++(int) {modular result(*this); operator++(); return result;} auto operator--(int) {modular result(*this); operator--(); return result;} template <typename U = T> auto& operator*=(const modular& rhs) { value = normalize(static_cast<int64_t>(value) * static_cast<int64_t>(rhs.value)); return *this; } auto& operator/=(const modular& other) { return *this *= modular(inverse(other.value, mod())); } }; template <typename T> struct is_modular : std::false_type {}; template <typename T> struct is_modular <modular<T>> : std::true_type{}; template <typename T> constexpr bool is_modular_v = is_modular<T>::value; template <typename T> bool operator==(const modular<T>& lhs, const modular<T>& rhs) { return lhs() == rhs(); } template <typename T, typename U> bool operator==(const modular<T>& lhs, U rhs) { return lhs == modular<T>(rhs); } template <typename T, typename U> bool operator==(U lhs, const modular<T>& rhs) { return modular<T>(lhs) == rhs; } template <typename T> bool operator!=(const modular<T>& lhs, const modular<T>& rhs) { return !(lhs == rhs); } template <typename T, typename U> bool operator!=(const modular<T>& lhs, U rhs) { return !(lhs == rhs); } template <typename T, typename U> bool operator!=(U lhs, const modular<T>& rhs) { return !(lhs == rhs); } template <typename T> modular<T> operator+(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) += rhs; } template <typename T, typename U> modular<T> operator+(const modular<T>& lhs, U rhs) { return modular<T>(lhs) += rhs; } template <typename T, typename U> modular<T> operator+(U lhs, const modular<T>& rhs) { return modular<T>(lhs) += rhs; } template <typename T> modular<T> operator-(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) -= rhs; } template <typename T, typename U> modular<T> operator-(const modular<T>& lhs, U rhs) { return modular<T>(lhs) -= rhs; } template <typename T, typename U> modular<T> operator-(U lhs, const modular<T>& rhs) { return modular<T>(lhs) -= rhs; } template <typename T> modular<T> operator*(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) *= rhs; } template <typename T, typename U> modular<T> operator*(const modular<T>& lhs, U rhs) { return modular<T>(lhs) *= rhs; } template <typename T, typename U> modular<T> operator*(U lhs, const modular<T>& rhs) { return modular<T>(lhs) *= rhs; } template <typename T> modular<T> operator/(const modular<T>& lhs, const modular<T>& rhs) { return modular<T>(lhs) /= rhs; } template <typename T, typename U> modular<T> operator/(const modular<T>& lhs, U rhs) { return modular<T>(lhs) /= rhs; } template <typename T, typename U> modular<T> operator/(U lhs, const modular<T>& rhs) { return modular<T>(lhs) /= rhs; } template<typename T, typename U> modular<T> power (const modular<T>& pow2, U b) { assert(b >= 0); modular<T> x = pow2, ret = 1; for (; b > 0; b /= 2) { if (b % 2 == 1) ret *= x; x *= x; } return ret; } template <typename T> std::string to_string(const modular<T>& pow2) { return std::to_string(pow2()); } template <typename T> auto operator<<(std::ostream& os, const T& pow2) -> std::enable_if_t<is_modular_v<T>, std::ostream&>{ return os << pow2(); } template <typename T> auto operator>>(std::istream& is, T& pow2) -> std::enable_if_t<is_modular_v<T>, std::istream&> { long long x; is >> x; pow2 = T(x); return is; } // using mod_type = int; // struct variable_mod { static mod_type value; }; // mod_type variable_mod::value; // mod_type& mod = variable_mod::value; // using mint = modular< variable_mod >; constexpr int mod = 998244353; using mint = modular<std::integral_constant<std::decay_t<decltype(mod)>, mod>>; int main() { std::cin.tie(0); std::cin.sync_with_stdio(false); lint n, m; std::cin >> n >> m; std::vector<mint>pow2(n+m+1); pow2.at(0)=1; for(std::size_t i=1;i<pow2.size();i++){ pow2.at(i)=pow2.at(i-1)*2; } mint ans0=power(mint{2},n); mint ans1=1; for(int i=0;i<n;i++){ ans1*=pow2.at(m)-pow2.at(i); ans1/=pow2.at(n)-pow2.at(i); } mint ans2=1; for(int i=0;i<n;i++){ ans2*=pow2.at(m)-pow2.at(i); } std::cout << ans0 << " " << ans1 << " " << ans2 << std::endl; return 0; }