結果
問題 | No.567 コンプリート |
ユーザー | sten_san |
提出日時 | 2023-05-02 09:31:51 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 8 ms / 2,000 ms |
コード長 | 3,926 bytes |
コンパイル時間 | 2,623 ms |
コンパイル使用メモリ | 211,416 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-21 01:11:07 |
合計ジャッジ時間 | 3,012 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 3 ms
6,816 KB |
testcase_01 | AC | 3 ms
6,820 KB |
testcase_02 | AC | 4 ms
6,816 KB |
testcase_03 | AC | 4 ms
6,820 KB |
testcase_04 | AC | 4 ms
6,816 KB |
testcase_05 | AC | 3 ms
6,816 KB |
testcase_06 | AC | 4 ms
6,816 KB |
testcase_07 | AC | 4 ms
6,820 KB |
testcase_08 | AC | 4 ms
6,816 KB |
testcase_09 | AC | 3 ms
6,816 KB |
testcase_10 | AC | 3 ms
6,820 KB |
testcase_11 | AC | 2 ms
6,816 KB |
testcase_12 | AC | 3 ms
6,816 KB |
testcase_13 | AC | 3 ms
6,820 KB |
testcase_14 | AC | 4 ms
6,816 KB |
testcase_15 | AC | 8 ms
6,816 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; struct iofast_t { iofast_t() { ios::sync_with_stdio(false); cin.tie(nullptr); } } iofast; struct uns_t {} uns; template <typename Element, typename Head, typename ...Args> auto vec(Element init, Head arg, Args ...args) { if constexpr (sizeof...(Args) == 0) return vector(arg, init); else return vector(arg, vec(init, args...)); } template <typename Element, typename Head, typename ...Args> auto vec(uns_t, Head arg, Args ...args) { return vec(Element(), arg, args...); } template <typename Container> auto distance(const Container &c, decltype(begin(c)) iter) { return distance(begin(c), iter); } template <typename RIter, typename Compare = less<typename iterator_traits<RIter>::value_type>> auto isort(RIter first, RIter last, Compare comp = Compare()) { vector<int> i(distance(first, last)); iota(begin(i), end(i), 0); sort(begin(i), end(i), [&](auto x, auto y) { return comp(*(first + x), *(first + y)); }); return i; } template <typename, template <typename> typename, typename = void_t<>> struct detect : false_type {}; template <typename T, template <typename> typename Check> struct detect<T, Check, void_t<Check<T>>> : true_type {}; template <typename T, template <typename> typename Check> constexpr inline bool detect_v = detect<T, Check>::value; template <typename T> using has_member_sort = decltype(declval<T>().sort()); template <typename Container, typename Compare = less<typename Container::value_type>> auto sorted(Container c, Compare comp = Compare()) { if constexpr (detect_v<Container, has_member_sort>) { c.sort(comp); return c; } else { sort(begin(c), end(c), comp); return c; } } template <typename Container, typename Compare = equal_to<typename Container::value_type>> auto uniqued(Container c, Compare comp = Compare()) { c.erase(unique(begin(c), end(c), comp), end(c)); return c; } template <typename T, typename Compare = less<T>> T &chmin(T &l, T r, Compare &&f = less<T>()) { return l = min(l, r, f); } template <typename T, typename Compare = less<T>> T &chmax(T &l, T r, Compare &&f = less<T>()) { return l = max(l, r, f); } template <typename F> constexpr auto fix(F &&f) noexcept { return [f = std::tuple<F>(std::forward<F>(f))](auto &&...args) mutable { return std::get<0>(f)(fix(std::get<0>(f)), std::forward<decltype(args)>(args)...); }; } constexpr auto lim = 6; using tmat = array<array<double, 1 << lim>, 1 << lim>; using vmat = array<array<double, 1>, 1 << lim>; template <typename X, typename Y> using mmat = array<array<double, tuple_size<typename Y::value_type>::value>, tuple_size<X>::value>; constexpr tmat tstep = []() { tmat mat = {}; for (int i = 0; i < (1 << lim); ++i) { for (int j = 0; j < lim; ++j) { if (i & (1 << j)) { ++mat[i][i]; mat[i][i ^ (1 << j)] = 1; } } } for (auto &_ : mat) { for (auto &e : _) { e /= 6; } } return mat; }(); int main() { int n; cin >> n; auto mmul = [&](auto x, auto y) { mmat<decltype(x), decltype(y)> m = {}; for (int i = 0; i < size(x); ++i) { for (int j = 0; j < size(y[0]); ++j) { for (int k = 0; k < size(x[0]); ++k) { m[i][j] += x[i][k] * y[k][j]; } } } return m; }; auto mpow = [&](auto init, auto mat, int n) { auto acc = init; while (0 < n) { if (n & 1) { acc = mmul(acc, mat); } mat = mmul(mat, mat); n >>= 1; } return acc; }; auto trans = mpow(tstep, tstep, n - 1); vmat v = {}; v[0][0] = 1; cout << fixed << setprecision(15) << mmul(trans, v)[(1 << lim) - 1][0] << endl; }