#984477 (C++23) No.2772 Appearing Even Times

提出ソース

結果

問題	No.2772 Appearing Even Times
ユーザー	risujiroh
提出日時	2024-05-31 21:36:08
言語	C++23 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	548 ms / 4,000 ms
コード長	4,658 bytes
コンパイル時間	3,492 ms
コンパイル使用メモリ	264,132 KB
実行使用メモリ	6,944 KB
最終ジャッジ日時	2024-05-31 21:36:19
合計ジャッジ時間	11,075 ms
ジャッジサーバーID （参考情報）	judge1 / judge5

このコードへのチャレンジ
（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	2 ms 6,944 KB
testcase_02	AC	2 ms 6,940 KB
testcase_03	AC	2 ms 6,940 KB
testcase_04	AC	2 ms 6,944 KB
testcase_05	AC	2 ms 6,940 KB
testcase_06	AC	2 ms 6,944 KB
testcase_07	AC	2 ms 6,940 KB
testcase_08	AC	481 ms 6,940 KB
testcase_09	AC	513 ms 6,940 KB
testcase_10	AC	2 ms 6,944 KB
testcase_11	AC	2 ms 6,940 KB
testcase_12	AC	520 ms 6,940 KB
testcase_13	AC	518 ms 6,944 KB
testcase_14	AC	490 ms 6,940 KB
testcase_15	AC	497 ms 6,944 KB
testcase_16	AC	548 ms 6,944 KB
testcase_17	AC	490 ms 6,944 KB
testcase_18	AC	521 ms 6,940 KB
testcase_19	AC	517 ms 6,940 KB
testcase_20	AC	514 ms 6,944 KB
testcase_21	AC	512 ms 6,940 KB

権限があれば一括ダウンロードができます

ソースコード

raw source code

#if __INCLUDE_LEVEL__ == 0

#include __BASE_FILE__

namespace {

using Mint = atcoder::modint998244353;

void solve() {
  Str s;
  scan(s);
  Vec f(2, Vec(2, Vec<Mint>(1024)));
  f[1][0][0] = 1;
  for (int si : s) {
    si -= '0';
    Vec nf(2, Vec(2, Vec<Mint>(1024)));
    for (const Int eq : {0, 1}) {
      for (const Int nonzero : {0, 1}) {
        for (const Int mask : rep(1024)) {
          if (f[eq][nonzero][mask] == 0) {
            continue;
          }
          for (const Int d : rep(10)) {
            const Int new_eq = eq && d == si;
            const Int new_nonzero = nonzero || d;
            const Int new_mask = new_nonzero ? mask ^ (1 << d) : 0;
            nf[new_eq][new_nonzero][new_mask] += f[eq][nonzero][mask];
            if (new_eq) {
              break;
            }
          }
        }
      }
    }
    f = std::move(nf);
  }
  print(f[0][1][0] + f[1][1][0]);
}

}  // namespace

int main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  std::cout << std::setprecision(std::numeric_limits<Float>::max_digits10);

  solve();
}

#else  // __INCLUDE_LEVEL__

#include <bits/stdc++.h>

#include <atcoder/modint>

using i8 = int8_t;
using i16 = int16_t;
using i32 = int32_t;
using i64 = int64_t;
using i128 = __int128_t;
using u8 = uint8_t;
using u16 = uint16_t;
using u32 = uint32_t;
using u64 = uint64_t;
using u128 = __uint128_t;

using Int = int64_t;
using Float = double;
using Str = std::string;

template <class T1, class T2>
using Pair = std::pair<T1, T2>;

template <class... Ts>
using Tuple = std::tuple<Ts...>;

template <class T, size_t N>
using Arr = std::array<T, N>;

template <class T>
using Vec = std::vector<T>;

template <class T>
using Set = std::set<T>;

template <class T>
using Multiset = std::multiset<T>;

template <class K, class T>
using Map = std::map<K, T>;

template <class T>
using MinHeap = std::priority_queue<T, Vec<T>, std::greater<T>>;

template <class T>
using MaxHeap = std::priority_queue<T>;

namespace ranges = std::ranges;
namespace views = std::views;

inline constexpr auto len = ranges::ssize;
inline constexpr auto rev = views::reverse;

constexpr auto rep(Int l, Int r) { return views::iota(std::min(l, r), r); }
constexpr auto rep(Int n) { return rep(0, n); }
constexpr auto rep1(Int l, Int r) { return rep(l, r + 1); }
constexpr auto rep1(Int n) { return rep(1, n + 1); }

template <class T, class U = T>
bool chmin(T& x, U&& y) {
  return y < x && (x = std::forward<U>(y), true);
}

template <class T, class U = T>
bool chmax(T& x, U&& y) {
  return x < y && (x = std::forward<U>(y), true);
}

template <std::signed_integral T = Int>
T inf() {
  T ret;
  std::memset(&ret, 0x3f, sizeof(ret));
  return ret;
}

template <std::floating_point T>
T inf() {
  return std::numeric_limits<T>::infinity();
}

template <class T>
concept Range = ranges::range<T> && !std::convertible_to<T, std::string_view>;

template <class T>
concept TupleLike = std::__is_tuple_like<T>::value && !Range<T>;

namespace std {

istream& operator>>(istream& is, Range auto&& r) {
  for (auto&& e : r) {
    is >> e;
  }
  return is;
}

istream& operator>>(istream& is, TupleLike auto&& t) {
  return apply([&](auto&... xs) -> istream& { return (is >> ... >> xs); }, t);
}

ostream& operator<<(ostream& os, Range auto&& r) {
  for (string_view sep = ""; auto&& e : r) {
    os << exchange(sep, " ") << e;
  }
  return os;
}

ostream& operator<<(ostream& os, TupleLike auto&& t) {
  const auto f = [&](auto&... xs) -> ostream& {
    [[maybe_unused]] string_view sep = "";
    ((os << exchange(sep, " ") << xs), ...);
    return os;
  };
  return apply(f, t);
}

template <class T, atcoder::internal::is_modint_t<T>* = nullptr>
istream& operator>>(istream& is, T& x) {
  int v;
  is >> v;
  x = T::raw(v);
  return is;
}

template <class T, atcoder::internal::is_modint_t<T>* = nullptr>
ostream& operator<<(ostream& os, const T& x) {
  return os << x.val();
}

}  // namespace std

#define DEF_INC_OR_DEC(op) \
  auto& operator op(Range auto&& r) { \
    for (auto&& e : r) { \
      op e; \
    } \
    return r; \
  } \
  auto& operator op(TupleLike auto&& t) { \
    std::apply([](auto&... xs) { (op xs, ...); }, t); \
    return t; \
  }

DEF_INC_OR_DEC(++)
DEF_INC_OR_DEC(--)

#undef DEF_INC_OR_DEC

void scan(auto&&... xs) { std::cin >> std::tie(xs...); }
void print(auto&&... xs) { std::cout << std::tie(xs...) << '\n'; }

template <class F>
class fix {
 public:
  explicit fix(F f) : f_(std::move(f)) {}

  decltype(auto) operator()(auto&&... xs) const {
    return f_(std::ref(*this), std::forward<decltype(xs)>(xs)...);
  }

 private:
  F f_;
};

#endif  // __INCLUDE_LEVEL__

yukicoder

結果

テストケース

ソースコード