結果

問題 No.1268 Fruit Rush 2
ユーザー stoqstoq
提出日時 2020-09-18 08:01:47
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 700 ms / 2,000 ms
コード長 3,363 bytes
コンパイル時間 2,505 ms
コンパイル使用メモリ 212,544 KB
実行使用メモリ 12,512 KB
最終ジャッジ日時 2024-06-22 07:45:20
合計ジャッジ時間 12,643 ms
ジャッジサーバーID
(参考情報)
judge3 / judge5
このコードへのチャレンジ
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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 2 ms
6,812 KB
testcase_01 AC 1 ms
6,944 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 AC 1 ms
6,944 KB
testcase_05 AC 1 ms
6,940 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 2 ms
6,944 KB
testcase_08 AC 1 ms
6,940 KB
testcase_09 AC 1 ms
6,940 KB
testcase_10 AC 1 ms
6,940 KB
testcase_11 AC 1 ms
6,940 KB
testcase_12 AC 1 ms
6,944 KB
testcase_13 AC 1 ms
6,940 KB
testcase_14 AC 2 ms
6,940 KB
testcase_15 AC 1 ms
6,944 KB
testcase_16 AC 388 ms
6,940 KB
testcase_17 AC 318 ms
6,944 KB
testcase_18 AC 337 ms
6,940 KB
testcase_19 AC 337 ms
6,940 KB
testcase_20 AC 354 ms
6,944 KB
testcase_21 AC 340 ms
6,940 KB
testcase_22 AC 369 ms
6,944 KB
testcase_23 AC 387 ms
6,940 KB
testcase_24 AC 376 ms
6,944 KB
testcase_25 AC 328 ms
6,940 KB
testcase_26 AC 672 ms
6,944 KB
testcase_27 AC 700 ms
6,944 KB
testcase_28 AC 677 ms
7,556 KB
testcase_29 AC 681 ms
7,556 KB
testcase_30 AC 695 ms
7,172 KB
testcase_31 AC 449 ms
8,444 KB
testcase_32 AC 468 ms
9,160 KB
testcase_33 AC 450 ms
9,316 KB
testcase_34 AC 467 ms
12,512 KB
testcase_35 AC 485 ms
11,540 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;

#if 0
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using Int = boost::multiprecision::cpp_int;
using lld = boost::multiprecision::cpp_dec_float_100;
#endif
#if 1
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#endif
using ll = long long int;
using ld = long double;
using ull = unsigned long long;
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 ll MOD = 1;
constexpr int INF = (int)1e9 + 10;
constexpr ll LINF = (ll)4e18;
constexpr double PI = acos(-1.0);
constexpr double EPS = 1e-9;
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";

struct io_init
{
  io_init()
  {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout << setprecision(30) << setiosflags(ios::fixed);
  };
} io_init;
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);
}
template <typename T, typename U>
constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept
{
  is >> p.first >> p.second;
  return is;
}
template <typename T, typename U>
constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept
{
  os << p.first << " " << p.second;
  return os;
}
#pragma endregion

ll calc(const vector<ll> &a)
{
  for (auto ai : a)
  {
    cerr << ai << " ";
  }
  cerr << "\n";
  
  int n = a.size();
  int maxA = a.back();
  vector<ll> dp(maxA + 10, 0);
  vector<bool> exist(maxA + 10, 0);
  rep(i, n) exist[a[i]] = true;
  for (int i = 0; i < maxA + 10; i++)
  {
    dp[i] += exist[i];
    if (i >= 2 and exist[i - 1])
      dp[i] += dp[i - 2];
  }
  ll sum = 0;
  rep(i, maxA + 10) sum += dp[i];
  return sum;
}

void solve()
{
  int n;
  cin >> n;
  vector<ll> a(n);
  rep(i, n)
  {
    cin >> a[i];
    a[i]--;
  }
  sort(all(a));
  a.push_back(LINF);
  ll ans = 0, minus = a[0];
  vector<ll> v;
  rep(i, n)
  {
    v.push_back(a[i] - minus);
    if (a[i + 1] - a[i] > 2)
    {
      ans += calc(v);
      v.clear();
      minus = a[i + 1];
    }
  }
  cout << ans << "\n";
}

int main()
{
  solve();
}
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