結果
問題 | No.1551 誕生日の三角形 |
ユーザー |
![]() |
提出日時 | 2021-06-18 21:28:46 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 29 ms / 1,000 ms |
コード長 | 5,242 bytes |
コンパイル時間 | 1,202 ms |
コンパイル使用メモリ | 126,832 KB |
最終ジャッジ日時 | 2025-01-22 08:58:50 |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 9 |
ソースコード
#pragma region template// clang-format off#ifdef LOCAL_NDEBUG#include <headers.hpp>#endif// #define USE_EXTERNAL_CONTAINERS// #define NO_PRINT_INF#ifdef USE_EXTERNAL_CONTAINERS#define PROPER#include <boost/container/flat_map.hpp>#include <boost/container/flat_set.hpp>#include <ext/pb_ds/assoc_container.hpp>#include <ext/pb_ds/tree_policy.hpp>template <class T> using rb_tree = __gnu_pbds::tree<T, __gnu_pbds::null_type, std::less<T>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>;template <class S, class T> using hash_table = __gnu_pbds::gp_hash_table<S, T>;#endif#ifdef LOCAL_DEBUG#if (defined USE_EXTERNAL_CONTAINERS) || (defined NO_PRINT_INF) || (defined PROPER)#include <../src/debugger.hpp>#else#include <debugger.hpp>#endif#endif// #define PROPER#if (defined __INTELLISENSE__) && (!defined PROPER)#define NDEBUGnamespace std {#endif#include <cassert>#include <cctype>#include <cmath>#include <cstddef>#include <cstdint>#include <cstdio>#include <cstdlib>#include <algorithm>#include <array>#include <bitset>#include <complex>#include <deque>#include <functional>#include <iostream>#include <iomanip>#include <iterator>#include <limits>#include <list>#include <map>#include <numeric>#include <queue>#include <regex>#include <set>#include <sstream>#include <stack>#include <string>#include <string_view>#include <tuple>#include <typeinfo>#include <type_traits>#include <utility>#include <vector>#if (defined __INTELLISENSE__) && (!defined PROPER)using namespace std;}#endif#ifdef LOCAL_DEBUG#define STR(x) #x#define STRINGIFY(x) STR(x)#define FILE_LINE "[Debug] ./" __FILE__ ":" STRINGIFY(__LINE__)#define see(...) debugger::multi_print(#__VA_ARGS__, __VA_ARGS__)#define see2(arg) arg.debug_print(#arg)#define here(...) debugger::os << FILE_LINE << " in " << __func__ << ": \e[32mReached\e[39m\n"#define com(msg) debugger::os << FILE_LINE << " in " << __func__ << ":\n \e[36mComment:\e[39m " << msg << "\n"#define err(msg) debugger::os << FILE_LINE << " in " << __func__ << ":\n \e[31mError:\e[39m " << msg << "\n"#define local(...) do { __VA_ARGS__ } while (0)#define alter(x, y) x#else#define see(...) (static_cast<void>(0))#define see2(arg) (static_cast<void>(0))#define here(...) (static_cast<void>(0))#define com(msg) (static_cast<void>(0))#define err(msg) (static_cast<void>(0))#define local(...) (static_cast<void>(0))#define alter(x, y) y#endif#if (defined LOCAL_DEBUG) && (!defined NOWARN)#define warn(msg) debugger::os << FILE_LINE << " in " << __func__ << ":\n \e[33mWarning:\e[39m " << msg << "\n"#else#define warn(msg) (static_cast<void>(0))#endif#if (defined LOCAL_DEBUG) || (defined LOCAL_NDEBUG) || (defined __INTELLISENSE__)#define NOEXCEPT#define M_assert(expr) assert(expr)#define O_assert(expr) assert(expr)#else#define NOEXCEPT noexcept#define M_assert(expr) do {if(__builtin_expect(!(expr), 0)) {auto p = static_cast<std::int64_t*>(std::malloc(1 << 30)); for (int i = 0; i < (1 << 27); p[i] = 1, i += (1 << 9)); std::cerr << (*p);}} while (0)#define O_assert(expr) do {if(__builtin_expect(!(expr), 0)) {const auto X = std::string(1000, '-'); for(int i = 0; i < (1 << 18); i++) std::cout << X;}} while (0)#endif#define as(type, val) static_cast<std::decay_t<type>>(val)#define INDIRECT(...) __VA_ARGS__#define rep(loop_var, loop_end) \for ( \auto loop_var = as(std::make_signed_t<decltype(loop_end)>, 0); \loop_var < as(decltype(loop_var), loop_end); \++loop_var \)#define rng(loop_var, loop_start, loop_end, loop_increment) \for ( \auto loop_var = as(INDIRECT(std::make_signed_t<std::common_type_t<decltype(loop_start), decltype(loop_end)>>), loop_start); \((loop_increment) > 0) ? (loop_var < as(decltype(loop_var), loop_end)) : (loop_var > as(decltype(loop_var), loop_end)); \loop_var += (loop_increment) \)#define erng(loop_var, loop_start, loop_end, loop_increment) \for ( \auto loop_var = as(INDIRECT(std::make_signed_t<std::common_type_t<decltype(loop_start), decltype(loop_end)>>), loop_start); \((loop_increment) > 0) ? (loop_var <= as(decltype(loop_var), loop_end)) : (loop_var >= as(decltype(loop_var), loop_end)); \loop_var += (loop_increment) \)[[maybe_unused]] constexpr int INF = 1000000005;[[maybe_unused]] constexpr long long LINF = 1000000000000000005LL;[[maybe_unused]] constexpr double EPS = 1e-9;[[maybe_unused]] constexpr long double LEPS = 1e-14L;[[maybe_unused]] constexpr int dy[9] = {1, 0, -1, 0, 1, 1, -1, -1, 0};[[maybe_unused]] constexpr int dx[9] = {0, 1, 0, -1, -1, 1, 1, -1, 0};template <class... Ts> constexpr auto Min(const Ts... args) { return std::min({ as(std::common_type_t<Ts...>, args) ... }); }template <class... Ts> constexpr auto Max(const Ts... args) { return std::max({ as(std::common_type_t<Ts...>, args) ... }); }// clang-format on#pragma endregionvoid solve() {long double L;std::cin >> L;std::cout << std::fixed << std::setprecision(15) << (L / 6) * (L * std::sqrt(3) / 6) << "\n";}int main() {std::ios_base::sync_with_stdio(false);std::cin.tie(nullptr);solve();}