結果
問題 | No.841 8/32 |
ユーザー | noshi91 |
提出日時 | 2019-06-28 22:28:08 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,774 bytes |
コンパイル時間 | 762 ms |
コンパイル使用メモリ | 72,076 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-02 04:54:08 |
合計ジャッジ時間 | 1,541 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 |
ソースコード
//#define NDEBUG #include <cstddef> #include <cstdint> #include <vector> namespace n91 { using i8 = std::int_fast8_t; using i32 = std::int_fast32_t; using i64 = std::int_fast64_t; using u8 = std::uint_fast8_t; using u32 = std::uint_fast32_t; using u64 = std::uint_fast64_t; using isize = std::ptrdiff_t; using usize = std::size_t; constexpr usize operator"" _z(unsigned long long x) noexcept { return static_cast<usize>(x); } class rep { const usize f, l; public: class itr { friend rep; usize i; constexpr itr(const usize x) noexcept : i(x) {} public: void operator++() noexcept { ++i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; constexpr rep(const usize first, const usize last) noexcept : f(first), l(last) {} constexpr itr begin() const noexcept { return itr(f); } constexpr itr end() const noexcept { return itr(l); } }; class revrep { const usize f, l; public: class itr { friend revrep; usize i; constexpr itr(usize x) noexcept : i(x) {} public: void operator++() noexcept { --i; } constexpr usize operator*() const noexcept { return i; } constexpr bool operator!=(const itr x) const noexcept { return i != x.i; } }; constexpr revrep(usize first, usize last) noexcept : f(--first), l(--last) {} constexpr itr begin() const noexcept { return itr(l); } constexpr itr end() const noexcept { return itr(f); } }; template <class T> using vec_alias = std::vector<T>; template <class T> auto md_vec(const usize n, const T &value) { return std::vector<T>(n, value); } template <class... Args> auto md_vec(const usize n, Args... args) { return std::vector<decltype(md_vec(args...))>(n, md_vec(args...)); } template <class T> constexpr T difference(const T &a, const T &b) { return a < b ? b - a : a - b; } } // namespace n91 #include <cstdint> #include <limits> #include <vector> class eratosthenes { using field_type = std::uint_fast64_t; public: using container_type = std::vector<field_type>; using size_type = typename container_type::size_type; protected: static constexpr size_type WordSize = static_cast<size_type>(std::numeric_limits<field_type>::digits); container_type c; public: eratosthenes() noexcept : c() {} explicit eratosthenes(const size_type max) : c(max / WordSize + static_cast<size_type>(1), ~static_cast<field_type>(0)) { c[static_cast<size_type>(0)] &= ~static_cast<field_type>(3); for (size_type i = static_cast<size_type>(2); i * i <= max; ++i) { if ((c[i / WordSize] & static_cast<field_type>(1) << i % WordSize) != static_cast<field_type>(0)) { for (size_type j = i * i; j <= max; j += i) { c[j / WordSize] &= ~(static_cast<field_type>(1) << j % WordSize); } } } } bool test(const size_type i) const noexcept { return (c[i / WordSize] & static_cast<field_type>(1) << i % WordSize) != static_cast<field_type>(0); } bool operator[](const size_type i) const noexcept { return (c[i / WordSize] & static_cast<field_type>(1) << i % WordSize) != static_cast<field_type>(0); } }; #include <algorithm> #include <array> #include <iostream> #include <string> #include <utility> namespace n91 { void main_() { std::string s1, s2, ans; std::cin >> s1 >> s2; const auto is_kyuzitsu = [](const std::string &s) { return s == "Sun" || s == "Sat"; }; if (is_kyuzitsu(s1) && !is_kyuzitsu(s2)) { ans = "8/32"; } else if (is_kyuzitsu(s1) && is_kyuzitsu(s2)) { ans = "8/33"; } else { ans = "8/31"; } std::cout << ans << std::endl; } } // namespace n91 int main() { n91::main_(); return 0; }