#642949 (C++17) No.1463 Hungry Kanten

• 問題: No.1463 Hungry Kanten
• ユーザー: scol_kp
• 提出日時: 2021-04-02 21:53:37
• 言語: C++17 (gcc 15.2.0 + boost 1.90.0)
• 結果: AC
• 実行時間: 142 ms / 2,000 ms
• コード長: 3,683 bytes
• コンパイル時間: 3,269 ms
• コンパイル使用メモリ: 464,280 KB
• 実行使用メモリ: 25,216 KB
• 最終ジャッジ日時: 2026-07-12 08:57:24
• 合計ジャッジ時間: 4,811 ms
• ジャッジサーバーID （参考情報）: judge1_0 / judge2_0

ファイルパターン	結果
sample	AC * 2
other	AC * 24

コンパイルメッセージ

In file included from main.cpp:3:
In member function 'void boost::multiprecision::backends::cpp_int_base<MinBits, MaxBits, boost::multiprecision::signed_magnitude, Checked, Allocator, false>::resize(std::size_t, std::size_t) [with long unsigned int MinBits = 0; long unsigned int MaxBits = 18446744073709551615; boost::multiprecision::cpp_int_check_type Checked = boost::multiprecision::unchecked; Allocator = std::allocator<long long unsigned int>]',
    inlined from 'constexpr void boost::multiprecision::backends::add_unsigned(CppInt1&, const CppInt2&, const boost::multiprecision::limb_type&) [with CppInt1 = cpp_int_backend<>; CppInt2 = cpp_int_backend<>]' at /home/linuxbrew/.linuxbrew/include/boost/multiprecision/cpp_int/add.hpp:50:20,
    inlined from 'constexpr typename std::enable_if<(! boost::multiprecision::backends::is_trivial_cpp_int<boost::multiprecision::backends::cpp_int_backend<MinBits, MaxBits, SignType, Checked, Allocator> >::value)>::type boost::multiprecision::backends::eval_add(cpp_int_backend<MinBits, MaxBits, SignType, Checked, Allocator>&, const boost::multiprecision::limb_type&) [with long unsigned int MinBits1 = 0; long unsigned int MaxBits1 = 0; boost::multiprecision::cpp_integer_type SignType1 = boost::multiprecision::signed_magnitude; boost::multiprecision::cpp_int_check_type Checked1 = boost::multiprecision::unchecked; Allocator1 = std::allocator<long long unsigned int>]' at /home/linuxbrew/.linuxbrew/include/boost/multiprecision/cpp_int/add.hpp:141:19,
    inlined from 'void boost::multiprecision::backends::cpp_int_backend<MinBits, MaxBits, SignType, Checked, Allocator>::do_assign_string(const char*, const std::integral_constant<bool, false>&) [with long unsigned int MinBits = 0; long unsigned int MaxBits = 0; boost::multiprecision::cpp_integer_type SignType = boost::multiprecision::signed_magnitude; boost::multiprecision::cpp_int_check_type Checked = boost::multiprecision::unchecked; Allocator = std::allocator<long long unsigned int>]' at /

ソースコード

#include <bits/stdc++.h>

#include <boost/multiprecision/cpp_int.hpp>
#define FASTIO
using namespace std;

using ll = long long;
using Vi = std::vector<int>;
using Vl = std::vector<ll>;
using Pii = std::pair<int, int>;
using Pll = std::pair<ll, ll>;

constexpr int I_INF = std::numeric_limits<int>::max();
constexpr ll L_INF = std::numeric_limits<ll>::max();

template <typename T1, typename T2>
inline bool chmin(T1& a, const T2& b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template <typename T1, typename T2>
inline bool chmax(T1& a, const T2& b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

template <std::ostream& os = std::cout>
class Prints {
private:
    class __Prints {
    public:
        __Prints(const char* sep, const char* term) : sep(sep), term(term) {}
        template <class... Args>
#if __cplusplus >= 201703L
        auto operator()(const Args&... args) const -> decltype((os << ... << std::declval<Args>()), void()) {
#else
        void operator()(const Args&... args) const {
#endif
            print(args...);
        }
        template <typename T>
#if __cplusplus >= 201703L
        auto pvec(const T& vec, size_t sz) const -> decltype(os << std::declval<decltype(std::declval<T>()[0])>(), void()) {
#else
        void pvec(const T& vec, size_t sz) const {
#endif
            for (size_t i = 0; i < sz; i++)
                os << vec[i] << (i == sz - 1 ? term : sep);
        }
        template <typename T>
#if __cplusplus >= 201703L
        auto pmat(const T& mat, size_t h, size_t w) const -> decltype(os << std::declval<decltype(std::declval<T>()[0][0])>(), void()) {
#else
        void pmat(const T& mat, size_t h, size_t w) const {
#endif
            for (size_t i = 0; i < h; i++)
                for (size_t j = 0; j < w; j++)
                    os << mat[i][j] << (j == w - 1 ? term : sep);
        }

    private:
        const char *sep, *term;
        void print() const { os << term; }
        void print_rest() const { os << term; }
        template <class T, class... Tail>
        void print(const T& head, const Tail&... tail) const { os << head, print_rest(tail...); }
        template <class T, class... Tail>
        void print_rest(const T& head, const Tail&... tail) const { os << sep << head, print_rest(tail...); }
    };

public:
    Prints() {}
    __Prints operator()(const char* sep = " ", const char* term = "\n") const { return __Prints(sep, term); }
};

Prints<> prints;
Prints<std::cerr> prints_err;

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

void solve() {
    int N, K;
    cin >> N >> K;
    using bint = boost::multiprecision::cpp_int;
    vector<bint> A(N);
    for (ll i = 0; i < N; i++) {
        cin >> A[i];
    }
    set<bint> st;
    for (ll mask = 0; mask < (1 << N); mask++) {
        if (__builtin_popcountll(mask) < K) continue;
        bint a = 0, b = 1;
        for (ll i = 0; i < N; i++) {
            if (mask >> i & 1) {
                a += A[i];
                b *= A[i];
            }
        }
        st.emplace(a);
        st.emplace(b);
    }
    prints()(st.size());
}

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

int main() {
#ifdef FASTIO
    std::cin.tie(nullptr), std::cout.tie(nullptr);
    std::ios::sync_with_stdio(false);
#endif
#ifdef FILEINPUT
    std::ifstream ifs("./in_out/input.txt");
    std::cin.rdbuf(ifs.rdbuf());
#endif
#ifdef FILEOUTPUT
    std::ofstream ofs("./in_out/output.txt");
    std::cout.rdbuf(ofs.rdbuf());
#endif
    std::cout << std::setprecision(18) << std::fixed;
    solve();
    std::cout << std::flush;
    return 0;
}