結果

問題 No.1043 直列大学
ユーザー stoqstoq
提出日時 2020-05-01 22:06:00
言語 C++14
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 698 ms / 2,000 ms
コード長 5,170 bytes
コンパイル時間 1,784 ms
コンパイル使用メモリ 166,828 KB
実行使用メモリ 42,736 KB
最終ジャッジ日時 2023-08-24 05:44:47
合計ジャッジ時間 14,679 ms
ジャッジサーバーID
(参考情報)
judge15 / judge11
このコードへのチャレンジ(β)

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 49 ms
42,420 KB
testcase_01 AC 43 ms
42,688 KB
testcase_02 AC 70 ms
42,624 KB
testcase_03 AC 43 ms
42,428 KB
testcase_04 AC 43 ms
42,548 KB
testcase_05 AC 43 ms
42,512 KB
testcase_06 AC 44 ms
42,736 KB
testcase_07 AC 55 ms
42,412 KB
testcase_08 AC 56 ms
42,476 KB
testcase_09 AC 354 ms
42,504 KB
testcase_10 AC 430 ms
42,496 KB
testcase_11 AC 644 ms
42,432 KB
testcase_12 AC 698 ms
42,432 KB
testcase_13 AC 553 ms
42,552 KB
testcase_14 AC 617 ms
42,416 KB
testcase_15 AC 672 ms
42,512 KB
testcase_16 AC 610 ms
42,432 KB
testcase_17 AC 455 ms
42,432 KB
testcase_18 AC 428 ms
42,560 KB
testcase_19 AC 560 ms
42,552 KB
testcase_20 AC 446 ms
42,488 KB
testcase_21 AC 497 ms
42,436 KB
testcase_22 AC 547 ms
42,428 KB
testcase_23 AC 672 ms
42,512 KB
testcase_24 AC 479 ms
42,700 KB
testcase_25 AC 545 ms
42,488 KB
testcase_26 AC 576 ms
42,428 KB
testcase_27 AC 307 ms
42,488 KB
testcase_28 AC 554 ms
42,516 KB
testcase_29 AC 201 ms
42,416 KB
testcase_30 AC 396 ms
42,492 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

diff #

#define MOD_TYPE 1

#pragma region Macros
#include <bits/stdc++.h>
using namespace std;
/*
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using multiInt = boost::multiprecision::cpp_int;
using lld = boost::multiprecision::cpp_dec_float_100;
*/
/*
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
*/
using ll = long long int;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pld = pair<ld, ld>;
template <typename Q_type>
using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>;

constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353);
constexpr int INF = (int)1e9;
constexpr ll LINF = (ll)4e18;
constexpr ld PI = acos(-1.0);
constexpr ld EPS = 1e-11;
constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0};
constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0};

#define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i)
#define rep(i, n) REP(i, 0, n)
#define REPI(i, m, n) for (int i = m; i < (int)(n); ++i)
#define repi(i, n) REPI(i, 0, n)
#define MP make_pair
#define MT make_tuple
#define YES(n) cout << ((n) ? "YES" : "NO") << "\n"
#define Yes(n) cout << ((n) ? "Yes" : "No") << "\n"
#define possible(n) cout << ((n) ? "possible" : "impossible") << "\n"
#define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n"
#define Yay(n) cout << ((n) ? "Yay!" : ":(") << "\n"
#define all(v) v.begin(), v.end()
#define NP(v) next_permutation(all(v))
#define dbg(x) cerr << #x << ":" << x << "\n";

inline void init_main()
{
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << setprecision(30) << setiosflags(ios::fixed);
}
template <typename T>
inline bool chmin(T &a, T b)
{
  if (a > b)
  {
    a = b;
    return true;
  }
  return false;
}
template <typename T>
inline bool chmax(T &a, T b)
{
  if (a < b)
  {
    a = b;
    return true;
  }
  return false;
}
inline ll CEIL(ll a, ll b)
{
  return (a + b - 1) / b;
}
template <typename A, size_t N, typename T>
inline void Fill(A (&array)[N], const T &val)
{
  fill((T *)array, (T *)(array + N), val);
}
#pragma endregion

template <int MOD>
struct Fp
{
  long long val;

  constexpr Fp(long long v = 0) noexcept : val(v % MOD)
  {
    if (val < 0)
      v += MOD;
  }

  constexpr int getmod()
  {
    return MOD;
  }

  constexpr Fp operator-() const noexcept
  {
    return val ? MOD - val : 0;
  }

  constexpr Fp operator+(const Fp &r) const noexcept
  {
    return Fp(*this) += r;
  }

  constexpr Fp operator-(const Fp &r) const noexcept
  {
    return Fp(*this) -= r;
  }

  constexpr Fp operator*(const Fp &r) const noexcept
  {
    return Fp(*this) *= r;
  }

  constexpr Fp operator/(const Fp &r) const noexcept
  {
    return Fp(*this) /= r;
  }

  constexpr Fp &operator+=(const Fp &r) noexcept
  {
    val += r.val;
    if (val >= MOD)
      val -= MOD;
    return *this;
  }

  constexpr Fp &operator-=(const Fp &r) noexcept
  {
    val -= r.val;
    if (val < 0)
      val += MOD;
    return *this;
  }

  constexpr Fp &operator*=(const Fp &r) noexcept
  {
    val = val * r.val % MOD;
    if (val < 0)
      val += MOD;
    return *this;
  }

  constexpr Fp &operator/=(const Fp &r) noexcept
  {
    long long a = r.val, b = MOD, u = 1, v = 0;
    while (b)
    {
      long long t = a / b;
      a -= t * b;
      swap(a, b);
      u -= t * v;
      swap(u, v);
    }
    val = val * u % MOD;
    if (val < 0)
      val += MOD;
    return *this;
  }

  constexpr bool operator==(const Fp &r) const noexcept
  {
    return this->val == r.val;
  }

  constexpr bool operator!=(const Fp &r) const noexcept
  {
    return this->val != r.val;
  }

  friend constexpr ostream &operator<<(ostream &os, const Fp<MOD> &x) noexcept
  {
    return os << x.val;
  }

  friend constexpr istream &operator>>(istream &is, Fp<MOD> &x) noexcept
  {
    return is >> x.val;
  }
};

Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept
{
  if (n == 0)
    return 1;
  auto t = modpow(a, n / 2);
  t = t * t;
  if (n & 1)
    t = t * a;
  return t;
}

using mint = Fp<MOD>;

int main()
{
  init_main();
  int n, m;
  cin >> n >> m;
  int v[100], r[100];
  rep(i, n) cin >> v[i];
  rep(i, m) cin >> r[i];

  mint dpv_next[1000010] = {}, dpv[1000010] = {};
  dpv[0] = 1;
  rep(i, n)
  {
    rep(j, 1000005)
    {
      dpv_next[j] += dpv[j];
      if (j + v[i] < 1000010)
        dpv_next[j + v[i]] += dpv[j];
    }
    rep(j, 1000005)
    {
      dpv[j] = dpv_next[j];
      dpv_next[j] = 0;
    }
  }
  mint dpr_next[1000010] = {}, dpr[1000010] = {};
  dpr[0] = 1;
  rep(i, m)
  {
    rep(j, 1000005)
    {
      dpr_next[j] += dpr[j];
      if (j + r[i] < 1000010)
        dpr_next[j + r[i]] += dpr[j];
    }
    rep(j, 1000005)
    {
      dpr[j] = dpr_next[j];
      dpr_next[j] = 0;
    }
  }

  mint csum[1000010];
  csum[0] = 0;
  rep(i, 100005)
  {
    csum[i + 1] = csum[i] + dpr[i];
  }

  int a, b;
  cin >> a >> b;
  mint ans = 0;
  rep(k, 1000005)
  {
    int L = (k + b - 1) / b;
    int R = k / a;
    L = max(1, L);
    R = min(1000005, R);
    if (L <= R + 1)
      ans += (csum[R + 1] - csum[L]) * dpv[k];
  }
  cout << ans << "\n";
  return 0;
}
0